CMOS / Wasp Filter

Elby's CMOS Filter is a DIY VCF based on the EDP Wasp Filter.


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

Availability: In stock

$119.99

Details

Details

This module offers a VCF based on the popular CMOS-based Wasp VCF and, in addition, features adjustable post filter distortion.

A little on how it works: Of note is that the filter core is running between 0V and -5V, allowing a simple exponential converter to be used to give an appropriate response to the control voltage. The distortion channel and straight signal are mixed via a seque circuit (reverse panner). The final stage is just a regular, inverting amplifier, but with a voltage divider in the feedback loop to avoid the need for an excessively high value resistor to achieve the required gain.

Specs & Downloads

Specs & Downloads

manufacturer Elby
HP 12
Depth 60mm
+12V No
-12V No
+5V No
Additional Resources Build Guide

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