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SUSTAINTONESHIFTVOLUME

Enclosure not stated · 4 knobs

Tagboard Effects

EarthQuaker Devices Hoof FuzzVerified

Based on the EarthQuaker Devices Hoof· 6 other boards clone it

Category
Fuzz
Controls
Sustain · Tone · Shift · Volume
Build
Vero· 18×17· 16 cuts, 5 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
EarthQuaker Devices, Fuzz

From the post

Interesting take on the Muff with LEDs replacing the usual silicon diodes and germanium transistors for Q2 and Q3. Info about the original from the manufacturer:

Our flag-ship device! The Hoof Fuzz is a germanium/silicon hybrid fuzz which is based on character of the classic green Russian muff. It is capable of creating everything from dirty and organic overdrive to monstrous fuzz madness. It features a smooth, natural and harmonically rich sustain that is less associated with muff style fuzzes and has more in common with an overdriven amplifier. The Hoof Fuzz has some real clarity and distinctiveness that provides a tight and controlled signal that will surely be heard through the mix. The Shift control is secret weapon of the Hoof. It changes the frequency response of the tone control, primarily on the treble side, but it also diminishes any unnecessary muddiness on the bass side too. Scoop the mids or boost them- lots of tonal shaping options are on tap! The Hoof Fuzz has become a key pedal for TONS of well known artists in both the studio and on stage. All analog, true bypass and made one at time by human hands in Akron, Ohio (the center of the universe). Measures

Controls

Fuzz: Clockwise for heavy, counterclockwise for light. Tone: Bass to the left, Treble to the right Level: Controls the output level. Shift: Adjust the mid content. Clockwise for classic scooped mids, counterclockwise for the more modern cutting mids all the kids love.

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 22 rows

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RefValueNormalizedTypeNotes
Resistors 9
×4100K100kread from the layout by eye
×32K22.2kread from the layout by eye
×3470K470kread from the layout by eye
×315K15kread from the layout by eye
×3100R100read from the layout by eye
×239K39kread from the layout by eye
×28K28.2kread from the layout by eye
×1390K390kread from the layout by eye
×110K10kread from the layout by eye
Capacitors 4
×8100n100nread from the layout by eye
×26n86.8nread from the layout by eye
×3470p470pread from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Transistors 4
Q12N39042N3904read from the layout by eye
Q22N13082N1308read from the layout by eye
Q32N13082N1308read from the layout by eye
Q42N39042N3904read from the layout by eye
Potentiometers 4
SustainB50KB50kPotentiometerread from the layout by eye
ToneB100KB100kPotentiometerread from the layout by eye
ShiftB25KB25kPotentiometerread from the layout by eye
VolumeA1MA1MPotentiometerread from the layout by eye
LEDs 1
×4red LEDRED LEDD1 to D4; read from the layout by eye

Other boards based on the EarthQuaker Devices Hoof