Akashic Guitar effects PCB lookup
VOLUMETONEDRIVE

125B · 3 knobs

PedalPCB· PCB007

Blue Breaker

Based on the Marshall Bluesbreaker· 5 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Tone · Drive
Price
$8.00in stock
Tags
125B, 125B 3-Knob (Type 1)
Buy the PCB at PedalPCB Build document6/18/25 Tayda drill template

From the vendor

Controls

• Volume – Controls the output volume

• Tone – Controls the tone

• Drive – Controls the amount of signal gain

Specifications

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

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 32 rows

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RefValueNormalizedTypeNotes
Resistors 13
R12M22.2MResistor, 1/4W
R227K27kResistor, 1/4WAlternate: 4K7
R333K33kResistor, 1/4WAlternate: 3K3
R41M1MResistor, 1/4W
R510K10kResistor, 1/4W
R66K86.8kResistor, 1/4W
R7220K220kResistor, 1/4W
R81K1kResistor, 1/4W
R96K86.8kResistor, 1/4W
R101M1MResistor, 1/4W
R10047K47kResistor, 1/4W
R10147K47kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 10
C110n10nFilm capacitor, 7.2 x 2.5mm
C210n10nFilm capacitor, 7.2 x 2.5mm
C310n10nFilm capacitor, 7.2 x 2.5mm
C447p47pCeramic capacitor
C5100n100nFilm capacitor, 7.2 x 2.5mm
C610n10nFilm capacitor, 7.2 x 2.5mm
C710n10nFilm capacitor, 7.2 x 5.0mm
C8100n100nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 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
ICs 1
IC1TL072TL072Dual op-amp, DIP8
Potentiometers 3
VOLUMEA100KA100k16mm right-angle PCB mount pot
TONEB25KB25k16mm right-angle PCB mount pot
DRIVEB100KB100k16mm right-angle PCB mount pot

Other boards based on the Marshall Bluesbreaker