MATRIXSYNTH: Sound Lab Modifications by Pehr


Thursday, April 19, 2007

Sound Lab Modifications by Pehr


SoundLab mod by Pehr.

1. Fine tuners for the oscillators.
2. Frequency modulation amount.
3. FM on/off.
4. FM AC/DC.
5. Connects the incoming CV to OSC1 to the CV in of OSC2 (so I can play with my MCV4 that only has one note CV output).
6. Aaron Crams' ring modulator (without buffer amps), made from only the extra OTA and a few other components.
7. Attenuations towards ground or -9V for the EG, LFO and FM outputs.
8. LFO COF-range HI/LO, sets the value of R31 to 100k (HI) or 200k (LO, original).
9. COF-CV input for modulation wheel CV from my MCV4. Do not use the 9V zener mod on this one or you'll not be able to turn the COF low enough anymore.
10. Extra CV inputs with the 9V zener protection mod. The other CV-inputs and the gate inputs also has the protection mod. And of course I use the 1V/Oct mod.
11. Audio input to filter.


via electro-music.com. via sendling.

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