Boss NF-1 Noise Gate

BOSS NG1 STELLOH 8fdaf5eb605a

 Another awesome contribution Chris Stelloh.  Another 1980’s Boss pedal I use a lot, here’s the modified layout for the original gray NF-1 Noise Gate, courtesy of Guitar Electronics DIY PCBs in PolanD: SCHEMATIC   I reversed the wiring for the decay pot, since it was working backwards from the original. The LM741 IC is being powered … Read more

Boss CS-3 Compressor / Madbean Oracle

Boss CS3 Compressor MBP Oracle Stelloh 52e7ed2a0db8

 Another great contribution by Chris Stelloh!  This is a layout drawn from the Madbean Oracle project, which is, essentially the Boss CS-3 compression sustainer. I really like the sound of VCA-driven compressors, especially on sampled drum sounds. This Boss pedal has been around for about 40 years, and the Madbean version makes a few slight … Read more

Jürgen Haible Wasp CV Filter LM13700 version

Wasp filter lm13700 16efec16d9b7

 Chris Stelloh have been playing around with Jürgen Haible Wasp CV Filter and sent me two verified layouts.. In hi sown words:  I had a chance to build up that LM13700 version of the Wasp Filter and found that using a much different value of potentiometer for the cutoff control made for a better filter … Read more

Holy Island Audio Cannibal Pride Drone Synth

Cannibal pride 15d1e2a9c2af

 Chris have done it again… “Gwion of Holy Island Audio builds awesome stuff and, included in the package if you purchased the debut release from Gwion’s band, Smothering, is a DIY PCB for a three oscillator drone synth called the Cannibal Pride. This is that synth, and it sounds KILLER – keep in mind that, … Read more

BJFe Universal Reverb V2 / Capitalist Death Cult Actual G*ddamned Springs

Actual godamned springs 8f7caecdc1c2

 Heavily modified revebr unit by BJFe, treated by Chris Stelloh.   A couple of the tweaks are from Björn – in particular, the 2k2 resistor from the source of Q1 to ground. Lowering that value fixes a volume drop that can happen when the 50k dwell pot is maxed. I replaced the second dwell pot … Read more

1776 Multiplex Delay Modulation Add-on

1776 mod board dabad35580b4

 A little useful modulation daughterboard for your delay circuits. Created by the one and only Chris Stelloh. I originally made this for Ben Spinks, who verified it. It’s the modulation daughterboard for the 1776 Effects Multiplex delay and it works pretty well with just about any PT2399 delay circuit. I’ve listed my preferred values as … Read more

Demedash Effects Incandenza Relay Bypass

Demedash relay bypass 8016c06cf448

 Here is a contribution from Chris Stelloh that seem to be really useful. Chris says: This is an updated version of the Demedash Incandenza micro-controller free clickless relay true bypass switch. It takes up a bit more room than a simple 3pdt, but because of the friction-free operation of the SPST button, it will last … Read more