{"id":32,"date":"2008-03-15T15:50:08","date_gmt":"2008-03-15T20:50:08","guid":{"rendered":"http:\/\/pugix.com\/synth\/motm-120r-sub-octave-multiplexer\/"},"modified":"2023-01-09T11:18:49","modified_gmt":"2023-01-09T16:18:49","slug":"motm-120r-sub-octave-multiplexer","status":"publish","type":"post","link":"https:\/\/pugix.com\/synth\/motm-120r-sub-octave-multiplexer\/","title":{"rendered":"MOTM-120R Sub-Octave Multiplexer"},"content":{"rendered":"

\"MOTM<\/a>From the Synthtech<\/a> website:<\/p>\n

The MOTM-120 is based on an article in Electronotes, updated with improved and added features.<\/p>\n

The MOTM-120 contains two four-stage sub-octave dividers, a digital multiplexer, and four digital ring modulators. It operates in one of two modes, SUB and CROSS.<\/p>\n

In the SUB mode a single input is fed into the A IN jack. A four-bit binary counter is clocked with the input signal. This generates the lower four sub-octaves. These are then mixed by individual pots along with the input signal. A switch selects either the original source mixed in or a squared version of the input.<\/p>\n

In the CROSS mode both A and B input signals are required. Each is divided into their respective sub-octaves and then each corresponding sub-octave is digitally ring modulated with the other. If A IN is audio, but B IN is from a LFO, you hear a 16-cycle pattern of the sub-octaves getting multiplexed in. As the B IN signal is raised into audio frequencies, the results are huge chordal timbres with lively beat frequencies.<\/p>\n

The Tellun DB-120R daughterboard<\/a> adds these features:<\/p>\n