Zap Frequency Build
Zap Frequency is a clone of the Systech Harmonic Energizer. This effect is a parametric EQ with variable band width, frequency, and resonance. The effect is very strong! It would make a good wah if you control the frequency with…
Tag TL074
Zap Frequency #3
I’m experimenting with the Harmonic Energizer. Read more about it in my previous post. I updated the PCB with room for two pairs of clipping diodes. With this update. Using the prototyping service at PCBWay.com is a great way to…
Harmonic Energizer Demo
A short demo of the Systech Harmonic Energizer. Read more about the Harmonic Energizer here. This is a demo of version 2 that has been modded with added clipping diodes.
Harmonic Energizer #2
My second build of the Harmonic Energizer. If you haven’t read my first post read about that build here. This second build tries out a couple more mods. Discussing this circuit over at DIYStompboxes.com Mark Hammer suggested adding some clipping diodes to this…
Tremolo-Matic XVIII Build
This is a tremolo built around a couple inductors, its from the Stompboxology newsletter: Going Discreet issue. If you’re not familiar, Stompboxology was a newsletter produced by Nicholas Boscorelli around 2002. It had many stompbox ideas, including circuits, layouts, and analysis. The…