Sunday, 23 June 2019

Keeley Psi Fuzz


5 comments:

  1. Like the Rotten Apple, it's based on the IC/Op Amp Muff, but this sounds very squishy and gnarly. The tone control is useful in all settings. I used an MP38A transistor in my build, though I read you can sub it with a lot of things.

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  2. Another one for my Keeley colection. And anoter hundred thanks for a great layout, mate! It roars!

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  3. This pedal is amazing. Very much a Muff Op Amp sound, but also very different with the Ge transistor. I tried several and ended up using a low-leak AC176, hFe around 175. Thanks for the layout.

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  4. This one didn't go well for me I had a lot of high pitched squealing

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    Replies
    1. Check the usual suspects as solder bridges, cuts....you know the story. Built several of these and it is cracking fuzz.

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