Question for the pros about feedback loops.

Started by reverbie, July 03, 2008, 05:49:07 PM

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reverbie

What would be the smartest way to wire up an aux feedback loop potentiometer into a common BSIAB or OCD style pedal, which i could then toggle on/off? Could I just Tap from output jack and then run it right back to the input with the pot in between?

Pretty basic, but I've heard multiple configurations offered by respected builders....just wondering what some of you guys think. Thanks in advance.

Also, I have gut shots of the Muff Nano Overdrive if anyone wants them. It uses standard through-hole parts and has ample room for tweekage.
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#2
Quote from: reverbie on July 03, 2008, 05:49:07 PM
toggle on/off? Could I just Tap from output jack and then run it right back to the input with the pot in between?


yeah that sounds about right
just wire it like this and it should work

if it doesnt work (or work well) try connecting the collectors and/or emitters of the first and last transistors together (with a volume pot and switch inbetween)
of say q1's collector wired to a volume pot and switch to q3's collector
same with the emitter
like the feedback mod on this page (for a big muff)
http://www.student.ru.nl/r.kerkhof/Taas/Mods/Big%20Muff.htm
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