Akashic Guitar effects circuit lookup
VOLUMEGAINBASSPRESENCETREBLE

125B · 5 knobs

PedalPCB· PCB456

Neurocyton Preamp

Based on the Greer Amps Soma 63· 2 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Gain · Bass · Presence · Treble
Price
$12.00in stock
Tags
125B 5-Knob (Type 1)
Buy the PCB at PedalPCB Build document1/7/22

From the vendor

Controls

• Volume

• Gain

• Bass

• Presence

• 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 Greer Amps, maker of the Greer Amps Soma 63

PedalPCB is in no way affiliated with Greer Amps

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 40 rows

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RefValueNormalizedTypeNotes
Resistors 17
R11M1MResistor, 1/4W
R247K47kResistor, 1/4W
R32M22.2MResistor, 1/4W
R41K51.5kResistor, 1/4W
R556K56kResistor, 1/4W
R610K10kResistor, 1/4W
R75K65.6kResistor, 1/4W
R81K51.5kResistor, 1/4W
R9680R680Resistor, 1/4W
R105K65.6kResistor, 1/4W
R111M1MResistor, 1/4W
R12220K220kResistor, 1/4W
R131K1kResistor, 1/4W
R1422K22kResistor, 1/4W
R1522K22kResistor, 1/4W
R10047R47Resistor, 1/4W
R1014K74.7kResistor, 1/4W
Capacitors 12
C122n22nFilm capacitor, 7.2 x 2.5mm
C247n47nFilm capacitor, 7.2 x 2.5mm
C3220p220pCeramic capacitor
C433n33nFilm capacitor, 7.2 x 2.5mm
C522u22uElectrolytic capacitor, 5mm
C647n47nFilm capacitor, 7.2 x 2.5mm
C747n47nFilm capacitor, 7.2 x 2.5mm
C847n47nFilm capacitor, 7.2 x 2.5mm
C922n22nFilm capacitor, 7.2 x 2.5mm
C102n22.2nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
Diodes 1
D1001N58171N5817Schottky diode, DO-41
Transistors 4
Q1J201J201JFET transistor, N-channel*Alternate MMBFJ201
Q2J201J201JFET transistor, N-channel*Alternate MMBFJ201
Q3J201J201JFET transistor, N-channel*Alternate MMBFJ201
Q4J201J201JFET transistor, N-channel*Alternate MMBFJ201
Transformers 1
T1TY-141PTY-141PAudio Transformer10KCT:10KCT
Potentiometers 5
VOLA100KA100k16mm right-angle PCB mount pot
GAINA500KA500k16mm right-angle PCB mount pot
BASSA500KA500k16mm right-angle PCB mount pot
PRESB50KB50k16mm right-angle PCB mount pot
TREBLEB250KB250k16mm right-angle PCB mount pot

Other boards based on the Greer Amps Soma 63