Interfax Harmonic Percolator

This seems to be one of those effects nobody can agree on. Not really knowing one version from another I’ve given a schematic by ringworm of FSB a try. If it’s not the right version it should be an easy task changing component values.

The layout makes it possible to use on-board pots, and my idea is to fit this in a 1590B with two right angled PCB pots in a diagonal fashion.

Update (13.12.2011): Built this one last weekend. Verified working.

Update (08.01.2012): Finished building this last night. I added a bit of hot glue to Q1 because the socket wasn’t binding as much as I would like it to.

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4 thoughts on “Interfax Harmonic Percolator

  1. Can you provide a drilling template, or the measurements for the holes. Im going to take this build on so any help would be much appreciated!

    Thanks!

  2. I agree with Derek. I have built countless dirt boxes and this one is hands-down the best-sounding one IMO. I love how the layout has all the pot wires so nicely organized. Thanks, Harald!

  3. Totally awesome pedal, some hassle sourcing parts but well worth it, nice easy build. If you`re only going to build one pedal, make it this one. Kudos to you.

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