904C filter coupler giving BP and BR modes

Filter Coupler for Behringer 904A and 904B filters giving addtional band-pass and band-reject modes.

Original Moog circuit, except that the impossible-to-obtain 9-pole switch is replace by electronic switching.

All through hole components.

Connections to filters are located on the rear of the module. Requires soldering of wires (signal in, signal out , CV) to the Behringer filter modules, but DOES NOT require soldering to any Behringer surface mounted (SMT) components.

Optional "universal daughter board" available to facilitate connections to the Behringer filter modules.

Video: https://youtu.be/hQHjGY6G8bs

www.fitzgreyve.co.uk

• 30 mA +12V
• 25 mA -12V
• 0 mA 5V
• 35 mm Depth

Module is available as a DIY project only.

This Module is an early prototype, a concept in development, or an AI mockup