{"id":209,"date":"2008-03-23T15:29:18","date_gmt":"2008-03-23T20:29:18","guid":{"rendered":"http:\/\/pugix.com\/synth\/matrix-mixer\/"},"modified":"2023-01-19T09:01:36","modified_gmt":"2023-01-19T14:01:36","slug":"matrix-mixer","status":"publish","type":"post","link":"https:\/\/pugix.com\/synth\/matrix-mixer\/","title":{"rendered":"Matrix Mixer"},"content":{"rendered":"

\"Matrix<\/a>Quantity: 1
\nA stereo output mixer of my own design
\nFront-Panel-Express MOTM style panel<\/a><\/p>\n

A simple 4-IN, 2-OUT matrix mixer. Inside are two identical 4-input mixers. Each input is sent into both mixers, through separate level pots. Two extra inputs (1R and 2R) give a total of six inputs, these going only to the right mixer. 1R and 2R are normally taken from the 1 and 2 inputs. Gain is jumper-selectable to be either 1.0 or 0.5. The 50% gain is better for output to an external mixer, and reduces the chance of clipping when mixing strong signals.<\/p>\n

This project was all DIY, built on a MUUB-4 PC board from Tellun. (One circuit trace cut per mixer was needed for the custom jumper.) It uses eight log taper Vishay-Spectrol pots, some of the last ones available from Synthesis Technology.<\/p>\n

View the schematic<\/a>, and the block diagram<\/a>.<\/p>\n

I chose to use tightly twisted pair wiring instead of shielded cable, due to the short lengths and the density.<\/p>\n

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

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

Quantity: 1 A stereo output mixer of my own design Front-Panel-Express MOTM style panel A simple 4-IN, 2-OUT matrix mixer. Inside are two identical 4-input mixers. Each input is sent … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":213,"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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[208],"tags":[71,40,83],"class_list":["post-209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-designed-by-richard-brewster","tag-diy","tag-mixer","tag-muub"],"yoast_head":"\nMatrix Mixer - 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\/matrix-mixer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Matrix Mixer - Richard Brewster's Electronic Sounds\" \/>\n<meta property=\"og:description\" content=\"Quantity: 1 A stereo output mixer of my own design Front-Panel-Express MOTM style panel A simple 4-IN, 2-OUT matrix mixer. 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