Akashic Guitar effects PCB lookup
BASSTREBLEGAINCABMASTER

125B · 5 knobs

PedalPCB· PCB696

Capsize Preamp

Based on the Broughton Audio Fliptop

Category
Preamp / Amp-in-a-box· Preamps
Controls
Bass · Treble · Gain · Cab · Master
Price
$12.00in stock
Tags
125B, Bass
Buy the PCB at PedalPCB Build document10/4/25

From the vendor

Controls

• Bass

• Treble

• Gain

• Cab

• Master

Specifications

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

Documentation

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 60 rows

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RefValueNormalizedTypeNotes
Resistors 26
R12M2MResistor, 1/4W
R22M2MResistor, 1/4W
R31K1kResistor, 1/4W
R4100K100kResistor, 1/4W
R510K10kResistor, 1/4W
R62K22.2kResistor, 1/4W
R72K22.2kResistor, 1/4W
R8100R100Resistor, 1/4W
R92K22.2kResistor, 1/4W
R102K22.2kResistor, 1/4W
R1112K12kResistor, 1/4W
R121M1MResistor, 1/4W
R132K22.2kResistor, 1/4W
R1422K22kResistor, 1/4W
R154K74.7kResistor, 1/4W
R1639K39kResistor, 1/4W
R1710K10kResistor, 1/4W
R1875K75kResistor, 1/4W
R1975K75kResistor, 1/4W
R20100K100kResistor, 1/4W
R21100R100Resistor, 1/4W
R2610K10kResistor, 1/4W
R10047R47Resistor, 1/4W
R101100R100Resistor, 1/4W
R10210K10kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 23
C1100n100nFilm capacitor, 7.2 x 2.5mm
C2100n100nFilm capacitor, 7.2 x 2.5mm
C33n33.3nFilm capacitor, 7.2 x 2.5mm
C4100n100nFilm capacitor, 7.2 x 2.5mm
C53n33.3nFilm capacitor, 7.2 x 2.5mm
C6220n220nFilm capacitor, 7.2 x 5.0mm
C7100u100uElectrolytic capacitor, 5mm
C810n10nFilm capacitor, 7.2 x 2.5mm
C9100n100nFilm capacitor, 7.2 x 2.5mm
C104n74.7nFilm capacitor, 7.2 x 2.5mm
C1147n47nFilm capacitor, 7.2 x 2.5mm
C12220n220nFilm capacitor, 7.2 x 5.0mm
C1310u10uElectrolytic capacitor, 5mm
C141n1nFilm capacitor, 7.2 x 2.5mm
C15100n100nFilm capacitor, 7.2 x 2.5mm
C16100n100nFilm capacitor, 7.2 x 2.5mm
C1722n22nFilm capacitor, 7.2 x 2.5mm
C182n22.2nFilm capacitor, 7.2 x 2.5mm
C19470p470pCeramic capacitor
C201u1uElectrolytic capacitor, 5mm
C100100u100uElectrolytic capacitor, 5mm
C101100u100uElectrolytic capacitor, 5mm
C102100u100uElectrolytic capacitor, 5mm
Diodes 1
D1001N58171N5817Schottky diode, DO-41
Transistors 2
Q12N54572N5457JFET transistor, N-channel
Q22N54572N5457JFET transistor, N-channel
ICs 1
IC1TL074TL074Quad op-amp, DIP14
Potentiometers 5
BASSA100KA100k16mm right-angle PCB mount pot
CABB10KB10k16mm right-angle PCB mount pot
GAINA100KA100k16mm right-angle PCB mount pot
MASTERA100KA100k16mm right-angle PCB mount pot
TREBLEA100KA100k16mm right-angle PCB mount pot
Trimmers 2
BIAS150K50kTrimmer potentiometer, 3362P type
BIAS250K50kTrimmer potentiometer, 3362P type