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 a foot treadle. It can be for a “cocked wah” and boost. It’s also good … Read more
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 make high quality PCBs at a very reasonable price. The key is to order several … Read more
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.
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 circuit. Since I had some boards I thought I’d try this out. The idea is … Read more
Here is a clone of the Systech Harmonic Energizer. This is a parametric EQ. It’s like a single-band equalizer with a control to set the width of the frequency band that it affects. It also has a control to sweep the frequency similar to a wah pedal. The Harmonic Energizer has been described as the … Read more