Akashic Guitar effects circuit lookup
VOLUMESUSTAINTONEMIDS

125B · 4 knobs

PedalPCB· PCB737

Buffalo Hump Distortion

Based on the Buffalo Fx RH-X '76

Category
Distortion
Controls
Volume · Sustain · Tone · Mids
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document5/31/26

From the vendor

Controls

• Volume

• Sustain

• Tone

• Mids

Details

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

The company, product and service names used in this web site are for comparative purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by Buffalo FX, maker of the Buffalo FX RH-X '76 Distortion.

PedalPCB is in no way affiliated with Buffalo FX.

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 53 rows

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RefValueNormalizedTypeNotes
Resistors 25
R139K39kResistor, 1/4W
R239K39kResistor, 1/4W
R3120R120Resistor, 1/4W
R4470K470kResistor, 1/4W
R510K10kResistor, 1/4W
R61K1kResistor, 1/4W
R78K28.2kResistor, 1/4W
R8470K470kResistor, 1/4W
R910K10kResistor, 1/4W
R10100K100kResistor, 1/4W
R11120R120Resistor, 1/4W
R128K28.2kResistor, 1/4W
R13100K100kResistor, 1/4W
R14470K470kResistor, 1/4W
R15120R120Resistor, 1/4W
R1639K39kResistor, 1/4W
R1710K10kResistor, 1/4W
R18100K100kResistor, 1/4W
R193K33.3kResistor, 1/4W
R2015K15kResistor, 1/4W
R21430K430kResistor, 1/4W
R2215K15kResistor, 1/4W
R231M1MResistor, 1/4W
R100120R120Resistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 15
C110u10uElectrolytic capacitor, 5mm
C2220p220pCeramic capacitor
C3100n100nFilm capacitor, 7.2 x 2.5mm
C4100n100nFilm capacitor, 7.2 x 2.5mm
C5560p560pCeramic capacitor
C6100n100nFilm capacitor, 7.2 x 2.5mm
C7560p560pCeramic capacitor
C83n93.9nFilm capacitor, 7.2 x 2.5mm
C9100n100nFilm capacitor, 7.2 x 2.5mm
C1010n10nFilm capacitor, 7.2 x 2.5mm
C111u1uElectrolytic capacitor, 5mm
C121u1uElectrolytic capacitor, 5mm
C131u1uElectrolytic capacitor, 5mm
C100100n100nFilm capacitor, 7.2 x 2.5mm
C101100u100uElectrolytic capacitor, 5mm
Diodes 5
D11N9141N914Signal diode, DO-35
D21N9141N914Signal diode, DO-35
D31N9141N914Signal diode, DO-35
D41N9141N914Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 4
Q1BC239CBC239CBJT transistor, NPN TO-92
Q2BC239CBC239CBJT transistor, NPN TO-92
Q3BC239CBC239CBJT transistor, NPN TO-92
Q4BC239CBC239CBJT transistor, NPN TO-92
Potentiometers 4
VOLUMEA100KA100k16mm right-angle PCB mount pot
SUSTAINA100KA100k16mm right-angle PCB mount pot
TONEB100KB100k16mm right-angle PCB mount pot
MIDB50KB50k16mm right-angle PCB mount pot