Akashic Guitar effects PCB lookup
VOLUMETONESUSTAIN

125B · 3 knobs

PedalPCB· PCB434

Red Muffin Fuzz

Based on the EHX / JHS Big Muff Pi 2

Category
Distortion
Controls
Volume · Tone · Sustain
Price
$12.00in stock
Tags
125B, 125B 3-Knob (Type 1)
Buy the PCB at PedalPCB Build document1/15/26

From the vendor

Controls

• Volume

• Tone

• Sustain

Specifications

• Designed for a 125B enclosure with top-mounted jacks

Documentation

Schematic

The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 60 rows

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RefValueNormalizedTypeNotes
Resistors 23
R11M1MResistor, 1/4W
R2133K133kResistor, 1/4W
R34K74.7kResistor, 1/4W
R4470K470kResistor, 1/4W
R54K74.7kResistor, 1/4W
R647K47kResistor, 1/4W
R7470K470kResistor, 1/4W
R84K74.7kResistor, 1/4W
R947K47kResistor, 1/4W
R10470K470kResistor, 1/4W
R114K74.7kResistor, 1/4W
R1227K27kResistor, 1/4W
R1327K27kResistor, 1/4W
R14240K240kResistor, 1/4W
R1510K10kResistor, 1/4W
R1610K10kResistor, 1/4W
R10010R10Resistor, 1/4W
R101100R100Resistor, 1/4W
R102100R100Resistor, 1/4W
R103100K100kResistor, 1/4W
R104100K100kResistor, 1/4W
R10551R51Resistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 24
C147p47pCeramic capacitor
C2100n100nFilm capacitor, 7.2 x 2.5mm
C3470p470pCeramic capacitor
C44u74.7uElectrolytic capacitor, 5mm
C54n74.7nFilm capacitor, 7.2 x 2.5mm
C64u74.7uElectrolytic capacitor, 5mm
C7470p470pCeramic capacitor
C84n74.7nFilm capacitor, 7.2 x 2.5mm
C94u74.7uElectrolytic capacitor, 5mm
C10470p470pCeramic capacitor
C114n74.7nFilm capacitor, 7.2 x 2.5mm
C123n33.3nFilm capacitor, 7.2 x 2.5mm
C1310n10nFilm capacitor, 7.2 x 2.5mm
C14100n100nFilm capacitor, 7.2 x 2.5mm
C15100n100nFilm capacitor, 7.2 x 2.5mm
C1647u47uElectrolytic capacitor, 5mm
C1710u10uElectrolytic capacitor, 5mm
C100220u220uElectrolytic capacitor, 5mm
C101100u100uElectrolytic capacitor, 5mm
C102100u100uElectrolytic capacitor, 5mm
C103100n100nFilm capacitor, 7.2 x 2.5mm
C104100n100nFilm capacitor, 7.2 x 2.5mm
C10547u47uElectrolytic capacitor, 5mm
C10647u47uElectrolytic capacitor, 5mm
Diodes 7
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D51N41481N4148Signal diode, DO-35
D61N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
ICs 3
IC1RC4558RC4558Dual op-amp, DIP8
IC2RC4558RC4558Dual op-amp, DIP8
IC3TL071TL071Single op-amp, DIP8(Original used SMD OPA1677)
Potentiometers 3
VOLUMEB10KB10k16mm right-angle PCB mount pot
TONEB100KB100k16mm right-angle PCB mount pot
SUSTAINB100KB100k16mm right-angle PCB mount pot