William Wayne designed an interesting contraption that aimed to de-synchronize the output of (synchronous, ie., Hammond) tone-wheel organs; that is, to produce a chorusing effect. It is said that Jimi Hendrix played thru a (vacuum tube based) unit manufactured by …
WAYNE CHORA-TONE PROJECTOR DIY // JC MAILLET (c) 2016,2023 Read more »
Nov. 30th 2022 “I just finished my 360+ preamp pedal. WELL I AM IMPRESSED! The tonal choices are many and then add that Fuzz, just outstanding. The bass response will peel paint and punch you in the chest. I am …
A list of commercial audio effector product MODs, those that were useful in music performance and on-towards original audio circuit designs … 1978 CRAIG ANDERTON “INFINITY PLUS” (POSTED 1998) FLOATING GAIN http://www.lynx.net/~jc/pedalsInfinity.html 1978 CRAIG ANDERTON “RING MODULATOR” (POSTED 1997) VARIOUS …
Vintage Instrument Effector Designs // My Personal List of Published Hacks & Mods Read more »
As mentioned in my other post about accurately characterizing a large lot of (TO-92 package) 2n5457 transistors, jFET device characteristics are primarily defined by two numerical constants: the Idss current, and the Vgs(off) voltage (often referred to also by its …
jFET Characterization Technique using only 9v Battery and DMM Read more »
There’s a reason why not too many audio DIY folks commit to doing general circuit design using jFET transistors outside of maybe playing with Mu-stages and preamp style clipping circuits. Many people in the DIY world tend to overlook a …
Characterizing and Matching 2n5457 jFET Transistors Read more »
This pedal came to me severely hacked, with a few suspect or missing parts – of course, it wasn’t working … the re-build involved the following changes : replacing two electrolytic caps by modern equivalents or larger (100uF same, 330uF …
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