Studio Electronics BoomStar Modstar 5089 Filter Effects The envelope follower section of

The envelope follower section of the module features an input jack for modular level signals and outputs for CV and pulses

There's also unison

Pedal Dimensions (LxWxH):  4

The Valcoder can also function as a great edge-of-breakup booster

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Studio Electronics BoomStar Modstar 5089 Filter Effects The envelope follower section ofThe 5089 filter is a voltage controlled, discrete analog, 24 db oct transistor ladder, low pass filter, employing hand matched transistors. Our ladder low pass filter subtractive analog sound synthesis foundation its lowest FREQUENCY setting removes, or cuts off higher frequency harmonics; its RESONANCE or Q circuit emphasizes those harmonics to the point of squealy, giddy self oscillation, tracking the keyboard in its FULL setting quite nicely if