Fuzzbox, Distortion, Phaser, Chorus, Echo and other Guitar Effects Info

In many applications, A simple passive mixer can be used to combine signals. The resistors R1 – R4 are used to reduce interaction of the signals but they do not completely eliminate it. The values may be adjusted higher for more isolation; try 100k for the resistors.
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There are a limited number of the revised power pcb that are available. [Now in stock]

The new pcb has several improved/advanced features such as increased efficiency and an isolated output.

Order one (before they are gone) from the catalog page and the latest instructions will be emailed to you.

Thanks!

Jfet buffer modules are back in stock!

DJ Tech Tools has a new article (and video) on How to Mod FX Pedals With Arcade Buttons using the AMZ DPDT relay switch. Check it out!

How to Mod FX Pedals With Arcade Buttons

Buffer, or Booster, or Direct Box.

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My new A-B switch box for comparing pedals. (more…)

Newsletter Sign up for the AMZ Guitar FX Newsletter for free information, tips and tricks on building guitar effects circuits and how to use them.

This is a “low traffic” newsletter, so you don’t worry about your inbox filling up.

Update: Okay, I’m planning more than just a newsletter. How about some podcasts, and videos, or maybe schematics just for subscribers. PC Board giveaways are also in the works. I’m not sure what will be the final outcome, but you don’t want to miss out!

Sign up for the free newsletter.

My latest build: (more…)

I just updated the support page for the Buffer pcb with instructions for using the board with piezo pickups.

This is a typical reverse voltage protection circuit used on many guitar effects pedals. I have used it at times myself and it is effective within limits.
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