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Tuesday, October 18, 2016

Cwejman MMF-1S Tweak Demo

Published on Oct 18, 2016 Dudadius

"The MMF-1S offers seven switchable filter types and for some of them two selectable slopes. In combination this equals eleven different filter:

Low pass with -12 or -24dB per octave
High pass with -12 or -24dB per octave
Bandpass with -6 or -12dB per octave
Three dual band passes: dual peak, upper peak, lower peak
Single notch (in -12dB setting), dual notch (in -24dB setting)
The show stopper is that in the dual modes the distance between the two resonance peaks can be adjusted with the voltage controllable parameter SPACING which is great for creating vocal sounds!

The two audio inputs both have individual level controls; cutoff and resonance of course are voltage controllable. The Q PEAK MODE switch determines whether the resonance starts to oscillate in its maximal setting or not. The filtered signal is emitted at the MMF socket.

The second part of the module is comprised of a saturation stage which distorts the signal in a nonlinear fashion. Besides the voltage controllable Saturation parameter which sets the amount of saturation, there's a 2ND HARM control emphasizingthe second order harmonics.

A compressor with three selectable compression rations (1:1, 3:1 and 20:1) is integrated in the saturation stage as well.

The saturated signal is available at the MIX VCA socket, yet the result depends on the VCA/MIX switch and the MIX control:
In switch position "MIX" the MIX parameter blends between the original signal (AUDIO 1&2) and thefiltered/saturated result (SAT). This can be voltage controlled via the "CV VCA-MIX" socket.

In switch position "VCA" the MIX control has no effect and the CV input "VCA-MIX" turns into the VCA's CV input."


Cwejman MMF-1S revised Tweak Demo

Published on Oct 19, 2016

"This version explores the Saturation output and runs through the different filter modes as well."

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