Moog Music Forum

A CV I/O mod on the Opus 3 would only allow the Master Tuning to be modulated as the control voltage would only change the master clock frequency on the input to the M083 top octave synthesizer IC. A summer node exists for this functionality (pich wheel and master tune control) so a high impedance ...

One difference in the OPUS 3 ladder filter from the other Moog 4 pole ladder filters is the addition of a unity gain phase inverter stage at the output of the feedback injector.

Normally, Moog 4 pole filters will inject the feedback into the ladder base with it being 180 degrees out of phase. This ...

New additional info on the SL-8 can be found at the moogarchives.com discussion board.

Craig