{"id":216,"date":"2008-03-23T15:33:17","date_gmt":"2008-03-23T20:33:17","guid":{"rendered":"http:\/\/pugix.com\/synth\/tellun-corporation-tln-904-veeblefetzer\/"},"modified":"2023-01-19T09:09:05","modified_gmt":"2023-01-19T14:09:05","slug":"tellun-corporation-tln-904-veeblefetzer","status":"publish","type":"post","link":"https:\/\/pugix.com\/synth\/tellun-corporation-tln-904-veeblefetzer\/","title":{"rendered":"Tellun Corporation TLN-904 Veeblefetzer"},"content":{"rendered":"

\"Veeblefetzer<\/a>Quantity: 2
\nFrom Tellun Corporation<\/a>.
\nModifications: I chose the bright LEDs. See the chart below for details. The pattern is a reverse-S shape of my own design. I use green LEDs for positive and red for negative in my synth. The peak LEDs are the opposite color in the center at top and bottom.<\/p>\n\n\n\n\n\n\n\n\n
LED<\/th>\nCount<\/th>\nColor<\/th>\nLumex Part Number<\/th>\nResistor<\/th>\nValue<\/th>\n<\/tr>\n
+ Peak<\/td>\n1<\/td>\nsuper orange<\/td>\nSSL-LX3044SOC<\/td>\nR18<\/td>\n7.5K<\/td>\n<\/tr>\n
Positive<\/td>\n10<\/td>\ngreen<\/td>\nSSL-LX3044GC<\/td>\nR27<\/td>\n4.7K<\/td>\n<\/tr>\n
Zero<\/td>\n1<\/td>\nblue<\/td>\nSSL-LX3044USBC<\/td>\nR12<\/td>\n10K<\/td>\n<\/tr>\n
Negative<\/td>\n10<\/td>\nsuper red<\/td>\nSSL-LX3044SRC\/D<\/td>\nR30<\/td>\nomitted<\/td>\n<\/tr>\n
– Peak<\/td>\n1<\/td>\nsuper green<\/td>\nSSL-LX3044UEGC<\/td>\nR24<\/td>\n6.8K<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Here are some construction photos of Veeblefetzer #2. I soldered a red and white wire to each LED rather than running a buss to the power (red wires). Each LED is wired separately in case it needs to be repaired. I also think it’s easier than running wires between LEDs on the board. I would have used smaller gauge wire (this is #22) if I had had it. All the wires bunched up makes it hard to adjust the trimpots. The LED driver ICs are in sockets under all that wire. I installed the header and jumper to select Internal or External +5V LED power, but I did not install the regulator for internal power yet, because I intend to run it off external power. If I need to run it in a cabinet without a separate +5 supply, I will install the regulator at that time and just move the jumper.<\/p>\n

\"Veeblefetzer<\/a><\/p>\n

\"Veeblefetzer<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Quantity: 2 From Tellun Corporation. Modifications: I chose the bright LEDs. See the chart below for details. The pattern is a reverse-S shape of my own design. I use green … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":218,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[10],"tags":[71,73,72],"class_list":["post-216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other","tag-diy","tag-tellun","tag-veeblefetzer"],"yoast_head":"\nTellun Corporation TLN-904 Veeblefetzer - Richard Brewster'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\/tellun-corporation-tln-904-veeblefetzer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tellun Corporation TLN-904 Veeblefetzer - Richard Brewster's Electronic Sounds\" \/>\n<meta property=\"og:description\" content=\"Quantity: 2 From Tellun Corporation. 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