{"id":2076,"date":"2017-01-23T16:21:21","date_gmt":"2017-01-23T21:21:21","guid":{"rendered":"http:\/\/pugix.com\/synth\/?p=2076"},"modified":"2017-01-23T16:21:21","modified_gmt":"2017-01-23T21:21:21","slug":"maximum-high","status":"publish","type":"post","link":"https:\/\/pugix.com\/synth\/maximum-high\/","title":{"rendered":"Maximum High"},"content":{"rendered":"<p>Recently I purchased a Eurorack VCO, which shall remain unnamed.\u00a0 When testing it out, I turned the coarse frequency knob all the way up to see how high it would go.\u00a0 It quit oscillating!\u00a0 I contacted the manufacturer, who explained that this was normal behavior for that VCO.\u00a0 It was only good up to about 10 Khz.\u00a0 I returned the module.\u00a0 But this got me thinking.\u00a0 How normal was this behavior for a VCO to stop oscillating at a certain frequency?\u00a0 I decided to conduct a test of most of my VCOs, including some self-oscillating filters.\u00a0 I&#8217;m dividing the following into two sections, the first for 5U MOTM style and BugBrand, and the second for Eurorack.\u00a0 They are listed from the highest to the lowest maximum frequency.\u00a0 The procedure was to turn up the coarse and fine frequency knobs all the way, and then add up to +5V to frequency CV inputs.<\/p>\n<h3>MOTM 5U + BugBrand<\/h3>\n<h4>1. Teezer<\/h4>\n<p>The hands down winner is Ian Fritz&#8217;s Teezer through-zero VCO.\u00a0 It is capable of greater than 100 Khz, and does not lose output amplitude or shape.\u00a0 Pictured is the sawtooth output at a bit over 100 Khz.\u00a0 My DMM cannot count higher than 99.99 Khz, so it reads OL.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2089\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-teezer\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484329961&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-teezer\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2089\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-teezer.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>2. MOTM-300<\/h4>\n<p>The MOTM-300 Ultra VCO came in second at 95.53 Khz.\u00a0 At this frequency, the sine wave output is significantly attenuated, so I looked at the square output, which as you can see is slewed.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2081\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-motm-300\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484329683&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-motm-300\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2081\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-300.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>3. MOTM-440 VCF<\/h4>\n<p>The 440 puts out a clean sine wave, shown here at 60.76 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2084\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-motm-440\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484331678&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-motm-440\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2084\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-440.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>4. BugBrand SYN2A VCO<\/h4>\n<p>The SYN2A VCO has Tri\/Saw and Square\/Pulse outputs.\u00a0 Here is the triangle output, only slightly distorted at 40 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2087\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-syn2a\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484332549&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-syn2a\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2087\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2a.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>5. Mattson VCF<\/h4>\n<p>George Mattson&#8217;s VCF self-oscillates nicely.\u00a0 Here it puts out an sine wave at 38.39 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2080\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-mattson-vcf\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484331585&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-mattson-vcf\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2080\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-mattson-vcf.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>6. Buchla 258J Clone<\/h4>\n<p>Here&#8217;s the sine output from one of my 258J clones, at 36.63 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2077\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-258j\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484330566&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-258j\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2077\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-258j.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>7. MOTM-490 VCF<\/h4>\n<p>Here is the 490, self-oscillating at 30.04 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2085\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-motm-490\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484331379&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-motm-490\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2085\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-490.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>8. BugBrand SYN2B Quadrature Sine VCO<\/h4>\n<p>The SYN2B can go up to 28.4 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2088\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-syn2b\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484332675&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-syn2b\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2088\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-syn2b.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>9. Oakley Super Ladder VCF<\/h4>\n<p>The Super Ladder VCF self-oscillates up to 28.21 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2086\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-oakley-vcf\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484331831&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;320&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-oakley-vcf\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2086\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-oakley-vcf.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>10. Cynthia ZerOscillator<\/h4>\n<p>The ZO goes up to at least 20.71 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2092\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-zo\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484330863&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-zo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2092\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-zo.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>11. MOTM-420 VCF<\/h4>\n<p>The 420 can self oscillate, producing a clean sine wave at 20.52 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2083\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-motm-420\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484331530&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-motm-420\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2083\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-420.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>12. Modcan VCDO<\/h4>\n<p>The VCDO reached up to 18.40 Khz.\u00a0 The sine wave looked a little fuzzy, even after a double-check on the scope focus.\u00a0 Probably due to it being digitally synthesized.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2090\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-vcdo\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484332139&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-vcdo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2090\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-vcdo.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>13. Synthesis Technology e340 and e350.<\/h4>\n<p>The e340 and e350 are Eurorack VCOs that I converted to 5U panels.\u00a0 So I put them in this group.\u00a0 They both measured the same, which is not surprising, because they use the same PC board.\u00a0 These max out at about 10.15 Khz.\u00a0 But they don&#8217;t quit if you give them more CV.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2079\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-e340-e350\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484330298&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-e340-e350\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2079\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350-500x375.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e340-e350.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>14. MOTM-320 LFO<\/h4>\n<p>My 320 LFOs were modified to have a high frequency toggle switch.\u00a0 It just adds more positive voltage to the frequency base.\u00a0 I was able to get 8.59 Khz out of one of them.\u00a0 The other, slightly less.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2082\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-motm-320\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484331073&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-motm-320\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2082\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-motm-320.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>15. CGS Bi-N-Tic Filter<\/h4>\n<p>The Bi-N-Tic filter has a built-in VCO.\u00a0 Mine has four sub-octaves available as square waves.\u00a0 This measurement used the first sub-octave, at 2.98 Khz, meaning that the oscillator was running at about 6 Khz max.\u00a0 Adding more CV did cause the VCO to quit oscillating.\u00a0 This was the only one in this group that quit.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2078\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-bi-n-tic\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484331208&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-bi-n-tic\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2078\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-bi-n-tic.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>16.\u00a0 XR-2206 DIY VCO<\/h4>\n<p>The XR-2206 chip in this experimental VCO is able to go as high as 4.31 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2091\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-xr2206\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484330766&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-xr2206\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2091\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-xr2206.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h3>Eurorack Oscillators<\/h3>\n<h4>1. Ieaskull F. Mobenthey Denum VCO<\/h4>\n<p>The highest VCO of the Eurorack group is the Denum, by Peter Blasser.\u00a0 Here&#8217;s the square wave output at 56.23 Khz.\u00a0 The square is slewed into a virtual sine wave.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2094\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-denum\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484838739&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-denum\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2094\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-denum.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>2. Noise Engineering Sync Iter<\/h4>\n<p>The Sync Iter is billed as a wide range VCO, and indeed it is.\u00a0 Here is the bi-polar output, in plain mode, with morph set at zero.\u00a0 It gets 46.11 Khz, with an oddball wave shape.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2101\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-sync-iter\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484838576&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-sync-iter\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2101\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sync-iter.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>3. Make Noise STO<\/h4>\n<p>The STO can put out a clean sine wave at 30.51 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2100\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-sto\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484837297&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-sto\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2100\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-sto.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>4. Synthesis Technology e950 Circuit Bent VCO<\/h4>\n<p>The e950 can oscillate at 26.04 Khz.\u00a0 Adding more CV makes it unstable, but it doesn&#8217;t quit.\u00a0 The amplitude drops off over about 10 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2095\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-e950\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484837156&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-e950\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2095\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950-500x375.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-e950.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>5. Ieaskull F. Mobenthey Fourses<\/h4>\n<p>Here is one of the four Fourses oscillators, with its bounds defined.\u00a0 It reached 22.63 Khz.\u00a0 The triangle is smoothed out, and it is offset into the negative voltage region.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2096\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-fourses\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484838919&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-fourses\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2096\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-fourses.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>6. WMD PDO<\/h4>\n<p>The PDO went as high as 20.60 Khz.\u00a0 This was below the maximum rotation of the coarse frequency knob.\u00a0 Turning the knob further resulted in erratic output and even complete halting of the oscillation.\u00a0 Pictured is the square output.\u00a0 I wasn&#8217;t able to sync the scope on it.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2099\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-pdo\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484836310&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-pdo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2099\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-pdo.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>7. Noise Engineering Loquelic Iteritas<\/h4>\n<p>The L. I. went up to 12.20 Khz.\u00a0 I selected the square wave to look at.\u00a0 L. I. remains stable if more CV is added.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2098\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-loquelic\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484838421&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-loquelic\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2098\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-loquelic.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>8. Mutable Instruments Warps<\/h4>\n<p>Warps has an internal VCO, which can be accessed.\u00a0 I was able to push the frequency up to 12.13 Khz on this digital VCO.\u00a0 This is the sine wave, obviously.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2103\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-warps\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484839226&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-warps\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2103\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-warps.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>9. Mannequins Just Friends<\/h4>\n<p>It&#8217;s hard to describe Just Friends, but it can function as a VCO.\u00a0 I was able to get 11.78 Khz out of it.\u00a0 But adding more CV makes it unstable.\u00a0 I don&#8217;t know why the waveform is fuzzy.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2097\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-just-friends\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484836842&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-just-friends\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2097\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-just-friends.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>10. Mutable Instruments Braids<\/h4>\n<p>Braids is a digital oscillator.\u00a0 I expected it might go higher, but was only able to get 8.897 Khz.\u00a0 Pictured is the CSAW algorithm.\u00a0 It has morphed away from a sawtooth shape.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2093\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-braids\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484838039&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-braids\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2093\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-braids.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h4>11. Mutable Instruments Tides<\/h4>\n<p>Here is Tides, producing a sine wave at 7.789 Khz.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2102\" data-permalink=\"https:\/\/pugix.com\/synth\/maximum-high\/hi-tides\/\" data-orig-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 6&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1484837862&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.15&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.0588235294118&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"hi-tides\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?fit=800%2C600&amp;ssl=1\" class=\"aligncenter size-medium wp-image-2102\" src=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=500%2C375&#038;ssl=1\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=500%2C375&amp;ssl=1 500w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=220%2C165&amp;ssl=1 220w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=250%2C188&amp;ssl=1 250w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=355%2C266&amp;ssl=1 355w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=730%2C548&amp;ssl=1 730w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?resize=90%2C68&amp;ssl=1 90w, https:\/\/i0.wp.com\/pugix.com\/synth\/wp-content\/uploads\/2017\/01\/hi-tides.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recently I purchased a Eurorack VCO, which shall remain unnamed.\u00a0 When testing it out, I turned the coarse frequency knob all the way up to see how high it would &#8230; <a class=\"styledbutton\" href=\"https:\/\/pugix.com\/synth\/maximum-high\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":2081,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[14],"tags":[22],"class_list":["post-2076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects","tag-vco"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Maximum High - Richard Brewster&#039;s Electronic Sounds<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pugix.com\/synth\/maximum-high\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Maximum High - Richard Brewster&#039;s Electronic Sounds\" \/>\n<meta property=\"og:description\" content=\"Recently I purchased a Eurorack VCO, which shall remain unnamed.\u00a0 When testing it out, I turned the coarse frequency knob all the way up to see how high it would ... 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