Akashic Guitar effects circuit lookup
WAH

Enclosure not stated · 1 knob

Tagboard Effects

Jen Double Sound Fuzz Wah

Based on the Jen Double Sound Fuzz Wah

Category
Fuzz
Controls
Wah
Build
Vero· 17×17· 13 cuts, 6 links
Layout
Unverified · no build reported at Tagboard Effects yet
Tags
Fuzz, Jen, Wah

From the post

Couldn't really find a good description of this pedal other then it's a Fuzz-Wah produced in the 70's by Jen. Here's my take based on the schematic. Just like many of the other fuzz wahs I've seen and working on layouts for this is essentially a classic inductor wah with a fuzzface type fuzz. There's a few differences I've noticed compared to a lot of the others. First, there is no control over the amount of output of the fuzz, ie it's set. Second, unlike a lot of the others this one has the fuzz in front of the wah, instead of behind the wah. From the video I found of it, I'm defiantly digging the fuzz and think the component changes gives it a little something different that would be nice as a stand alone fuzz, and the wah has a nice sweep to it as well.

Quick Note: The fuzz should be wired in front of the wah.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 24 rows

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RefValueNormalizedTypeNotes
Resistors 13
×218k18kread from the layout by eye
×268k68kread from the layout by eye
×210k10kread from the layout by eye
×2470k470kread from the layout by eye
×2100k100kread from the layout by eye
×12.7k2.7kread from the layout by eye
×1270r270read from the layout by eye
×1100r100read from the layout by eye
×11k1kread from the layout by eye
×122k22kread from the layout by eye
×11.5k1.5kread from the layout by eye
×1470r470read from the layout by eye
×133k33kread from the layout by eye
Capacitors 5
×2100nF100nread from the layout by eye
×2220nF220nread from the layout by eye
×210nF10nread from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×14.7uF4.7uelectrolytic; read from the layout by eye
Transistors 4
Q1BC239CBC239CNPN; read from the layout by eye
Q2BC208BBC208BNPN; read from the layout by eye
Q3BC208BBC208BNPN; read from the layout by eye
Q4BC208BBC208BNPN; read from the layout by eye
Inductors 1
×1500mH500mHInductor; read from the layout by eye
Potentiometers 1
Wah100K100kPotentiometerno taper stated; read from the layout by eye