anyone some Idea for a mixed NPN +PNP Fuzz

Started by Markusk, October 20, 2018, 05:52:16 AM

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Markusk

Hello,
have a bunch of really good PNP Germaniums and much more NPN Sillicons, so i
looked for a fuzzface type circuit combining the NPN-Silli (Front) with a PNP Germanium (Out).
Anyone some suggestions?
John 3:16
For God so loved the world, that he gave his only begotten Son, that whosoever believeth on him should not perish, but have eternal life.

digi2t

I suppose you could do a Schumann Two Face, but one side Ge and the other Si. The two sides run parallel, but are interactive. It's a real bag of cats.

Then there's the Spaceman Gemini III. Blendable Ge/Si fuzz that's really yummy.
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Markusk

mmmhhh, the pictures of the Schumann disapeared at diystompboxes,
and there is only some layout to be found for the Gemini (really yummie :P-nice soundfiles for this :icon_lol:)
but thats not what I´m looking for, there where some examples (easy ones) for using an npn and a pnp in this fuzzface circuit
(mic preamp) together, direct coupled (found in some older mic preamps/console preamps) but they are very tricky (look the Hudson Broadcast for example).
I think, there must be some easy examples for this kind of circuit,- just like the fuzz face- to put them together....
thanks for your suggestions digi2t ;)
John 3:16
For God so loved the world, that he gave his only begotten Son, that whosoever believeth on him should not perish, but have eternal life.

idy

Axis fuzz is other way around, PNP first then NPN. But there's an example.

Markusk

#4
Yeah Axis fuzz is coooool. I had in on mind, but looking for something more simple (just Fuzz Face :icon_mrgreen:)
found it right now in another new thread:
https://www.diystompboxes.com/smfforum/index.php?topic=20113.0
http://www.members.tripod.com/~mas1911/Fuzz_Schematics.html
will try this first and if its not my cup of tee will check a turned Axis with NPN in front and a PNP followed (with neg. supply)

OK, just read "this is a revamped Axis Fuzz" ha, Ha, Ha
John 3:16
For God so loved the world, that he gave his only begotten Son, that whosoever believeth on him should not perish, but have eternal life.

rutabaga bob

Doesn't the "Photonic Juergulator" utilize that?  Harmonic Percolator circuit...
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