Active Real Ring Modulator module, 50x200 mm, with three knobs and four jacks

This is a Kosmo format version of Ken Stone’s CGS Active Real Ring Modulator .

Main difference with Stone’s original are:

  • The instrument preamplifier was omitted
  • Transformer footprints are for the TY-141P instead of the less available MO222
  • Final stage input resistor is decreased to 10k, output resistor is increased to 1k, and a 100k pulldown is added on the output.

Git repo