Akashic Guitar effects PCB lookup
VOLUMEDISTORTIONCOLORHEAT

125B · 4 knobs

PedalPCB· PCB055

Speedy Gonzales

Based on the Fulltone Mas Malo· 2 other boards clone it

Category
Fuzz
Controls
Volume · Distortion · Color · Heat
Price
$10.20in stock
Tags
125B, 125B 4-Knob (Type 1)
Buy the PCB at PedalPCB Build document12/16/22 Tayda drill template

From the vendor

Controls

• Volume – Adjusts the overall output volume

• Distortion – Controls the amount of fuzz

• Color – Adjusts the signal tone from rich and warm to Trebly Fuzztones

• Heat – Controls the bias of the input stage transistor

Specifications

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

Schematic

The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 58 rows

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RefValueNormalizedTypeNotes
Resistors 27
R11M1MResistor, 1/4W
R233K33kResistor, 1/4W
R315K15kResistor, 1/4W
R410K10kResistor, 1/4W
R5470R470Resistor, 1/4W
R6510K510kResistor, 1/4W
R710K10kResistor, 1/4W
R810K10kResistor, 1/4W
R91K1kResistor, 1/4W
R1010K10kResistor, 1/4W
R11100K100kResistor, 1/4W
R12470K470kResistor, 1/4W
R1310K10kResistor, 1/4W
R14220R220Resistor, 1/4W
R158K28.2kResistor, 1/4W
R16100K100kResistor, 1/4W
R17470K470kResistor, 1/4W
R1815K15kResistor, 1/4W
R19680R680Resistor, 1/4W
R2039K39kResistor, 1/4W
R2139K39kResistor, 1/4W
R2233K33kResistor, 1/4W
R233K33.3kResistor, 1/4W
R24100R100Resistor, 1/4W
R253K33.3kResistor, 1/4W
R2647K47kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 17
C110p10pCeramic capacitor
C220n20nFilm capacitor, 7.2 x 2.5mm
C310u10uElectrolytic capacitor, 5.0mm
C410u10uElectrolytic capacitor, 5.0mm
C5100n100nFilm capacitor, 7.2 x 2.5mm
C6100n100nFilm capacitor, 7.2 x 2.5mm
C7100n100nFilm capacitor, 7.2 x 2.5mm
C8330p330pCeramic capacitor
C9100n100nFilm capacitor, 7.2 x 2.5mm
C10100n100nFilm capacitor, 7.2 x 2.5mm
C11330p330pCeramic capacitor
C12100n100nFilm capacitor, 7.2 x 2.5mm
C133n33.3nFilm capacitor, 7.2 x 2.5mm
C1410n10nFilm capacitor, 7.2 x 2.5mm
C1510u10uFilm capacitor, 7.2 x 2.5mm
C161u1uFilm capacitor, 7.2 x 5.0mm
C100100u100uElectrolytic capacitor, 6.3mm
Diodes 5
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 4
Q1BC184CBC184CBJT transistor, NPN TO-92
Q2BC184CBC184CBJT transistor, NPN TO-92
Q3BC184CBC184CBJT transistor, NPN TO-92
Q42N54572N5457JFET transistor, N-channel
Potentiometers 4
VOLUMEB100KB100k16mm right-angle PCB mount pot
DRIVEA100KA100k16mm right-angle PCB mount pot
COLORA100KA100k16mm right-angle PCB mount pot
HOTW25KW25k16mm right-angle PCB mount pot
Trimmers 1
BIAS100K100kTrimmer potentiometer, 3362P type

Other boards based on the Fulltone Mas Malo