Tag: TL074

  • Zap Frequency #3

    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 make high quality PCBs at a very reasonable price. The key is to order several…

  • Harmonic Energizer Demo

    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

    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 circuit. Since I had some boards I thought I’d try this out. The idea is…

  • Tremolo-Matic XVIII Build

    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 Going Discreet issue is about building circuits with transistors. This issue has the best description…