VCD+ Drum Kit

Primarily a voltage controlled bass drum. Really Noise Reap's VCD+ is a killer DIY VCO, VCA, and EG all in one.

This modular synth DIY module is a full kit in the Eurorack format.

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Primarily a voltage controlled bass drum. Really it’s a VCO, VCA, and EG all in one. As a bass drum it will have the house pumping. Also does fart noises and high pitched stuff. Put a LFO into the CV and get some psychedelic thumps going on – or whatever.

The voice/oscillator is a sine-enough-for-rocknroll shape, and turning the HARMONICS knob gradually morphs the sine into a square wave. The CV input is 1V/oct with OK tracking; this thing doubles as a sine/square VCO.

The attack/decay envelope has a dedicated output and is great to chain into a VCF (or maybe a VCA controlling white noise).

SLOPE AMOUNT controls the amount of EG that goes to the VCO pitch. To get that thumping 909ish type drum sound the initial “hit” has a higher frequency than the end decay. The slope amount controls how much higher in pitch the “hit” is. This ranges from no slope, to subtle slope, to laser sounds.

The input is activated by pretty much any hard edged wavefore – gate, trigger, square LFO.

Specs & Downloads

Specs & Downloads

100 Noise Reap
HP 10
Depth No
+12V 20mA
-12V 20mA
+5V No
Additional Resources No


Customer Reviews (1)

Nasty Swiss Army KickReview by softservo
I dig this thing! you can get nice soft dubby kicks out of it, or great big noisy techno kicks, or use the envelope for something else, or get a nice bleepy melody out of the oscillator output. Lots of uses.

The build was really easy, too. (Posted on 5/15/2017)

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