Akashic Guitar effects circuit lookup
VOLUMETONEGAIN

125B · 3 knobs

PedalPCB· PCB004

Grover Drive

Based on the Hermida Dover Drive· 4 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Tone · Gain
Price
$8.00in stock
Tags
125B, 125B 3-Knob (Type 1)
Buy the PCB at PedalPCB Build document3/14/24 Tayda drill template

From the vendor

Controls

• Volume – Controls the output volume

• Tone – Controls the resonant frequency of the filter

• Gain – Controls the amount of gain

Details

• 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 45 rows

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RefValueNormalizedTypeNotes
Resistors 19
R11M1MResistor, 1/4W
R233K33kResistor, 1/4W
R333K33kResistor, 1/4W
R4100K100kResistor, 1/4W
R51K1kResistor, 1/4W
R61K1kResistor, 1/4W
R7470R470Resistor, 1/4W
R847R47Resistor, 1/4W
R9120K120kResistor, 1/4W
R1082K82kResistor, 1/4W
R114K74.7kResistor, 1/4W
R12470K470kResistor, 1/4W
R13220K220kResistor, 1/4W
R1410K10kResistor, 1/4W
R151K1kResistor, 1/4W
R100330R330Resistor, 1/4W
R10110K10kResistor, 1/4W
R10210K10kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 13
C11u1uElectrolytic capacitor, 5mm
C222u22uElectrolytic capacitor, 5mm
C3100n100nFilm capacitor, 7.2 x 2.5mm
C4100n100nFilm capacitor, 7.2 x 2.5mm
C5470n470nFilm capacitor, 7.2 x 5.0mm
C6100n100nFilm capacitor, 7.2 x 2.5mm
C7100p100pCeramic capacitor
C83n33.3nFilm capacitor, 7.2 x 2.5mm
C9470n470nFilm capacitor, 7.2 x 5.0mm
C10100n100nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C10247u47uElectrolytic capacitor, 5mm
Diodes 4
D1BAT46BAT46Schottky diode, DO-35
D21N34A1N34AGermanium diode
D3BAT46BAT46Schottky diode, DO-35
D1001N41481N4148Signal diode, DO-35
Transistors 4
Q12N39062N3906BJT transistor, PNP TO-92
Q22N39062N3906BJT transistor, PNP TO-92
Q32N70002N7000N-Channel MOSFET
Q42N70002N7000N-Channel MOSFET
ICs 1
IC1NE5532NE5532Dual op-amp, DIP8
Potentiometers 3
VOLUMEB100KB100k16mm right-angle PCB mount pot
TONEB50KB50k16mm right-angle PCB mount pot
GAINC1KC1k16mm right-angle PCB mount pot
Trimmers 1
TRIM10K10kTrimmer potentiometer, 3362P type

Other boards based on the Hermida Dover Drive