Forgot to post this: I modded a client's Metasonix D1000 drum machine recently to bring the filter resonance controls to a more accessible place on the front of the case (they're normally hidden away as trimmers on the PCB) This means you can manually modify the filter feedback to give the valve percussion monster some new skills on the drone front. He was so happy that he made me a demo of the results. So good!

metasonix d1000 drum machine valve mod resonance

Published on by Neil Baldwin.