Akashic Guitar effects circuit lookup
VOLUMEDRIVEFILTERRESONANCE

125B · 4 knobs

PedalPCB· PCB637

Sequel Distortion

Based on the MXR Distortion II· 3 other boards clone it

Category
Distortion
Controls
Volume · Drive · Filter · Resonance
Price
$12.00in stock
Tags
125B, 125B 4-Knob (Type 1)
Buy the PCB at PedalPCB Build document12/16/23 Tayda drill template

From the vendor

Controls

• Volume

• Drive

• Filter

• Resonance

Details

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

The company, product and service names used in this web site are for comparative purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by MXR, maker of the MXR Distortion II.

PedalPCB is in no way affiliated with MXR.

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 54 rows

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RefValueNormalizedTypeNotes
Resistors 21
R11M1MResistor, 1/4W
R21K1kResistor, 1/4W
R31M1MResistor, 1/4W
R44K74.7kResistor, 1/4W
R5240K240kResistor, 1/4W
R62K2kResistor, 1/4W
R736K36kResistor, 1/4W
R810K10kResistor, 1/4W
R975K75kResistor, 1/4W
R10300K300kResistor, 1/4W
R111M1MResistor, 1/4W
R1236K36kResistor, 1/4W
R1375K75kResistor, 1/4W
R143K3kResistor, 1/4W
R15300K300kResistor, 1/4W
R1610K10kResistor, 1/4W
R1710K10kResistor, 1/4W
R1810K10kResistor, 1/4W
R10010K10kResistor, 1/4W
R10110K10kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 18
C1100n100nFilm capacitor, 7.2 x 2.5mm
C21u1uElectrolytic capacitor, 5mm
C320p20pCeramic capacitor
C422n22nFilm capacitor, 7.2 x 2.5mm
C510u10uElectrolytic capacitor, 5mm
C635n35nFilm capacitor, 7.2 x 2.5mm
C750p50pCeramic capacitor
C835n35nFilm capacitor, 7.2 x 2.5mm
C922n22nFilm capacitor, 7.2 x 2.5mm
C101u1uElectrolytic capacitor, 5mm
C1122n22nFilm capacitor, 7.2 x 2.5mm
C1222n22nFilm capacitor, 7.2 x 2.5mm
C131n1nFilm capacitor, 7.2 x 2.5mm
C141u1uElectrolytic capacitor, 5mm
C100100u100uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm� 25V minimum
C102100u100uElectrolytic capacitor, 5mm� 25V minimum
C10310u10uElectrolytic capacitor, 5mm
Diodes 7
D11N9141N914Signal diode, DO-35
D21N9141N914Signal diode, DO-35
D31N9141N914Signal diode, DO-35
D41N9141N914Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
D1011N58171N5817Schottky diode, DO-41
D1021N58171N5817Schottky diode, DO-41
ICs 4
IC1TL072TL072Dual op-amp, DIP8
IC2TL072TL072Dual op-amp, DIP8
IC3TL072TL072Dual op-amp, DIP8
IC100ICL7660SCPAICL7660SCPACharge pump IC, DIP8
Potentiometers 4
VOLUMEA50KA50k16mm right-angle PCB mount pot
DRIVEB50KB50k16mm right-angle PCB mount pot
FILTERA500KA500k16mm right-angle PCB mount pot
RESONANCEB50KB50k16mm right-angle PCB mount pot

Other boards based on the MXR Distortion II