Akashic Guitar effects PCB lookup
MASTERPREAMPTREBLEMIDBASSPRESENCEVOICE (TOGGLE SWITCH)

125B · 7 knobs

PedalPCB· PCB170

Covert Overdrive

Based on the Catalinbread DLS MKIII

Category
Fuzz· OD / Distortion / Fuzz
Controls
Master · Preamp · Treble · Mid · Bass · Presence · Voice (Toggle Switch)
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document3/9/21

From the vendor

Controls

• Master

• Preamp

• Treble

• Mid

• Bass

• Presence

• Voice (Toggle Switch) – Toggles between Super Lead / Super Bass mode

Specifications

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

Documentation

Schematic

The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 57 rows

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RefValueNormalizedTypeNotes
Resistors 22
R1470K470kResistor, 1/4W
R233K33kResistor, 1/4W
R3820R820Resistor, 1/4W
R41K1kResistor, 1/4W
R51M1MResistor, 1/4W
R61M1MResistor, 1/4W
R747K47kResistor, 1/4W
R8470K470kResistor, 1/4W
R9470K470kResistor, 1/4W
R10560R560Resistor, 1/4W
R111K1kResistor, 1/4W
R121M1MResistor, 1/4W
R131M1MResistor, 1/4W
R14100K100kResistor, 1/4W
R1533K33kResistor, 1/4W
R161K1kResistor, 1/4W
R174K74.7kResistor, 1/4W
R182M22.2MResistor, 1/4W
R192M22.2MResistor, 1/4W
R201M1MResistor, 1/4W
R2156K56kResistor, 1/4W
R1004K74.7kResistor, 1/4W
Capacitors 22
C1220n220nFilm capacitor, 7.2 x 5.0mm
C21n1nFilm capacitor, 7.2 x 2.5mm
C3680n680nFilm capacitor, 7.2 x 5.0mm
C42u22.2uElectrolytic capacitor, 5mm
C5220p220pCeramic capacitor
C622n22nFilm capacitor, 7.2 x 2.5mm
C747p47pCeramic capacitor
C8470p470pCeramic capacitor
C9470p470pCeramic capacitor
C10680n680nFilm capacitor, 7.2 x 5.0mm
C112u22.2uElectrolytic capacitor, 5mm
C12470p470pCeramic capacitor
C13470p470pCeramic capacitor
C1422n22nFilm capacitor, 7.2 x 2.5mm
C1522n22nFilm capacitor, 7.2 x 2.5mm
C1622n22nFilm capacitor, 7.2 x 2.5mm
C17220n220nFilm capacitor, 7.2 x 5.0mm
C18100n100nFilm capacitor, 7.2 x 2.5mm
C192n22.2nFilm capacitor, 7.2 x 2.5mm
C2022u22uElectrolytic capacitor, 5mm
C21270p270pCeramic capacitor
C10022u22uElectrolytic capacitor, 5mm
Diodes 1
D1001N58171N5817Schottky diode, DO-41
Transistors 5
Q1MPF4393MPF4393JFET transistor, N-channel*Alternate SMD - MMBF4393
Q2MPF4393MPF4393JFET transistor, N-channel*Alternate SMD - MMBF4393
Q3MPF4393MPF4393JFET transistor, N-channel*Alternate SMD - MMBF4393
Q4MPF4393MPF4393JFET transistor, N-channel*Alternate SMD - MMBF4393
Q5MPF4393MPF4393JFET transistor, N-channel*Alternate SMD - MMBF4393
Potentiometers 5
TREBB250KB250k16mm right-angle PCB mount pot
MIDB25KB25k16mm right-angle PCB mount pot
BASSA1MA1M16mm right-angle PCB mount pot
VOLB250KB250k16mm right-angle PCB mount pot
PREAMPA1MA1M16mm right-angle PCB mount pot
Trimmers 1
PRES10K10kTrim potentiometer, 10K3362P-style
Switches 1
SW14PDT4PDTToggle switch, 4PDT4PDT (ON/ON)