Builder Voltages box

This may not be the kind of project many would get excited about but if you’re a little more than the occasional builder this is great! It’s a very cheap …

Coron DS8 drum synth clone

This is the last in a trio I started with the Syntom II and continued whith the Synbal. The Coron DS7 and DS8 were available commercially at some point, however …

EM&M Synbal drum module

The Synbal circuit was published by EM&M on Feb, 1983. This circuit precedes the Syntom II by a couple of months and is dedicated to cymbal and metallic sounds. The …

EM&M Syntom II drum module

In the next few posts I go back to what I like building the most – drum modules. This time I went for single voice drum modules and I wanted …

Yamaha CS-5 synthesizer fix

I’ve always been a fan of old Yamaha gear. They did put out some amazing stuff in the late seventies and early eighties, including the amazing SG-2000 electric guitar, the …

Mimsy tone generator

The Mimsy made me proud because it had features! It’s my take on Forrest Mims’ Stepped tone generator AKA Atari Punk Console. Based around the LM556 IC (or a couple …

Dubknub noise toy

The Dubknub was my first attempt at building something ‘musical’. Very crude! All it is is an LM555 timer chip configured to oscillate a square wave in the audio frequencies, …