[sdiy] Bass Sounds - was Moogey jitter

Tim Daugard daugard at sprintmail.com
Wed Apr 26 06:31:57 CEST 2006


From: "Paul Perry" <pfperry at melbpc.org.au>

> I don't know how 'straight' this analysis it is, but it's the best I've
> seen!
>
> http://www.geofex.com/Article_Folders/fuzzface/fftech.htm

. . . and it is excellent! I printed that out a few years ago. Now the
questions are:

Exactly what is the freq response of the AC128?

Can I match that freq response with a different circuit? A filter?

How much does the leakage of the Germanium transistor affect the sound?

Can I create a circuit that matches the characteristics of a Ge transistor
amplifier? (yes - partly)

As I said before, I have to buy or build the circuit and then look at it
with a scope and a spreadsheet to figure out how to create the sound.

Tim Daugard
AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
http://home.sprintmail.com/~daugard/synth.htm




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