VCF 2164 Kit

Noise Reap's VCF 2164 is an all analog state variable filter with lots of versatility and juice.

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

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All analog state variable filter with lots of versatility and juice. High, band, and lowpass simultaneous outputs. Resonance is uncompensated and when cranked will get loud to the point of overdrive and clipping.

There are three CV inputs that control the cutoff frequency and one that controls resonance. CV1 and REZ are adjusted such that a 5 volt signal (likewise +/-2.5 volts or -5 volts) will give a full sweep of the parameter. CV inputs 2 and 3 have a very rough 1V/oct response.

With modest resonance, a trigger/gate/hard-edge-waveform at the input will excite the filter into bursts of self oscillation, and awesome bongo/tom/kick drum sounds ensue. With resonance maxed, the module self-oscillates and can be used as a sine wave VCO.

Update notes: This module is now called VCF 2164 based on the IC inside. The core circuit is virtually unchanged but it has been marginally improved here and there. The biggest changes include better overall circuit protection and improved mechanical strength.

Specs & Downloads

Specs & Downloads

Manufacturer Noise Reap
HP 8
Depth 22mm
+12V 25mA
-12V 25mA
+5V No
Additional Resources Build Guide Parts List Schematic


Customer Reviews (2)

Excellent Build Instructions - NOT!Review by Block Out
This is my first DIY module, first of all the build instruction link does not work and than, when you google for the instruction you get this stupid piece of paper , no photos , no scheme but just few sentences where the first one goes like this: grab a beer (Posted on 9/22/2017)
ExcellentReview by Berry
One of my first SMD kits, so maybe i was extra carefull. But went very smooth and turned on, on the first try :D
I use it all the time, it sounds great to me :) (Posted on 8/14/2017)

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