Module is available as a DIY project only.
This Module is currently available.
3 Band EQ GMD Version
Single channel 500 series PCB based on the classic Studer 169 EQ
Optional input transformer and DOA footprint
High & low shelf, and sweepable bell filter.
Based on the PCB from https://pcbgrinder.com/index.php?route=product/product&path=5960&productid=55
This is my version with Neutrik transformer, custom faceplate and frequency mods.
Blog posts (german):
Audio examples (no talking) starting @ 1:03:
Short video (german) starting @ 3:37: