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CGS749 - CMOS Wasp Filter Full Kit | Elby

CGS749 - CMOS Wasp Filter Full Kit | Elby


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:Out of stock
Brand Elby Designs

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.

Additional Information
More Information
Brand Elby Designs
HP 12
Depth 60mm
Additional Resources Build Guide

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