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EXPANDERTONEBALANCE

Enclosure not stated · 3 knobs

Effects Layouts (blog)

Univox Super Fuzz - tone modVerified

Based on the Univox Super-Fuzz· 37 other boards clone it

Category
Fuzz
Controls
Expander · Tone · Balance
Build
Perfboard
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Fuzz, Shin Ei, Univox
Open the layout at Effects Layouts (blog)

From the post

For #FuzzFriday here's the Univox Super Fuzz (again) with a modified tone stack. I'm in the middle of building this one and wanted more control over the tone than just the on/off switch of the original. This stays true to the tone of the original, but with a bit more control.

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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.

Parts list 28 rows

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RefValueNormalizedTypeNotes
Resistors 12
×610K10kread from the layout by eye
×6100K100kread from the layout by eye
×422K22kread from the layout by eye
×2470Ω470read from the layout by eye
×21.8K1.8kread from the layout by eye
×247K47kread from the layout by eye
×11K1kread from the layout by eye
×115K15kread from the layout by eye
×1150K150kread from the layout by eye
×1220K220kread from the layout by eye
×1470K470kread from the layout by eye
×11M1Mread from the layout by eye
Capacitors 4
×21nF1nread from the layout by eye
×2100nF100nread from the layout by eye
×1110uF10uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
Diodes 3
×11N40011N4001printed 4001; read from the layout by eye
D11N41481N4148legend: 1N4148 or similar; read from the layout by eye
D21N41481N4148legend: 1N4148 or similar; read from the layout by eye
Transistors 6
Q12N50882N5088legend: 2N5088 or similar; read from the layout by eye
Q22N50882N5088legend: 2N5088 or similar; read from the layout by eye
Q32N50882N5088legend: 2N5088 or similar; read from the layout by eye
Q42N50882N5088legend: 2N5088 or similar; read from the layout by eye
Q52N50882N5088legend: 2N5088 or similar; read from the layout by eye
Q62N50882N5088legend: 2N5088 or similar; read from the layout by eye
Potentiometers 3
ExpanderB50KB50kPotentiometerread from the layout by eye
ToneB10KB10kPotentiometerread from the layout by eye
BalanceB50KB50kPotentiometerread from the layout by eye

Other boards based on the Univox Super-Fuzz