Akashic Guitar effects circuit lookup
VOLUMEDRIVEBASSTREBLE

125B · 4 knobs

PedalPCB· PCB092

Sherwood Drive

Based on the EarthQuaker Devices Westwood· 5 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Drive · Bass · Treble
Price
$8.00in stock
Tags
125B, 125B 4-Knob (Type 1)
Buy the PCB at PedalPCB Build document12/15/23 Tayda drill template

From the vendor

Overview

A light overdrive so transparent it is translucent. It can go from being a nice little eq to a clean boost to pushing your amp into something quite distorted. With its active eq it can thin out the woofiness of humbuckers or add a little girth to single coils.

Controls

• Volume – Controls the output of the effect

• Drive – Adds in drive as you increase the dial

• Bass – When set at noon the bass is flat and clockwise increases and counter clockwise decreases bass.

• Treble – When set at noon the treble is flat and clockwise increases and counter clockwise decreases treble.

Details

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

The company, product and service names used in this web site are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by EarthQuaker Devices, maker of the Westwood Translucent Drive Manipulator.

PedalPCB is not affiliated with EarthQuaker Devices.

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 47 rows

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RefValueNormalizedTypeNotes
Resistors 20
R11M1MResistor, 1/4W
R21K1kResistor, 1/4W
R3470K470kResistor, 1/4W
R44K74.7kResistor, 1/4W
R54K74.7kResistor, 1/4W
R61K1kResistor, 1/4W
R76K26.2kResistor, 1/4W
R8150K150kResistor, 1/4W
R96K26.2kResistor, 1/4W
R101M1MResistor, 1/4W
R1133K33kResistor, 1/4W
R12150K150kResistor, 1/4W
R136K26.2kResistor, 1/4W
R141K1kResistor, 1/4W
R156K26.2kResistor, 1/4W
R1633K33kResistor, 1/4W
R100100R100Resistor, 1/4W
R10147K47kResistor, 1/4W
R10247K47kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 15
C1100p100pCeramic capacitor
C2100n100nFilm capacitor, 7.2 x 2.5mm
C3220n220nFilm capacitor, 7.2 x 5.0mm
C4100p100pCeramic capacitor
C510u10uElectrolytic capacitor, 5mm
C6100n100nFilm capacitor, 7.2 x 2.5mm
C71u1uFilm capacitor, 7.2 x 5.0mm
C8100p100pElectrolytic capacitor, 5mm
C94n74.7nFilm capacitor, 7.2 x 2.5mm
C101u1uFilm capacitor, 7.2 x 5.0mm
C1147n47nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 5.0mm
C102100n100nFilm capacitor, 7.2 x 5.0mm
C10310u10uElectrolytic capacitor, 5mm
Diodes 5
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 2
Q12N50892N5089BJT transistor, NPN TO-92
Q22N50892N5089BJT transistor, NPN TO-92
ICs 1
IC1OPA2134PAOPA2134PADual op-amp, DIP8
Potentiometers 4
LEVELA100KA100k16mm right-angle PCB mount pot
DRIVEA1MA1M16mm right-angle PCB mount pot
BASSB100KB100k16mm right-angle PCB mount pot
TREBLEB100KB100k16mm right-angle PCB mount pot

Other boards based on the EarthQuaker Devices Westwood