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PM.Ladder~: Moog Ladder Filter


Here is my port of the Moog ladder filter written using gen~ (Max 6 only).  It uses the ICST implementation, with a few added goodies such as additional filter modes (notch doesn’t work so great…) and peak-shaping.

It has built-in saturation and can self-oscillate.  Filter cutoff is specified in MIDI pitch rather than frequency.

The help-file provides a demo of a monosynth and has controls for key-following, the filter envelope, cutoff, etc.

PM.Ladder~: Moog Ladder Filter

Apr 26, 2012 at 12:18pm

great peter, i tried it and i like the sound of it.

Dec 7, 2012 at 10:34am

this sounds amazing! thank you very much!

Jun 27, 2013 at 5:22pm

sounds ace!

Jan 4, 2014 at 8:13pm

this is incredible, thanks for sharing!


Apr 23, 2014 at 6:56am

Very nice, as are your other filters. Is it possible in gen to build a method to crossfade between the filter types? Or are phase issues a problem.

Apr 23, 2014 at 8:52pm

Should be very possible. None of the other filter shapes are in the feedback path, IIRC.

Apr 24, 2014 at 7:35am

Cool, for now I just routed the different filters to separate outs and did a non-gen crossfade between the responses. Thanks


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