Akashic Guitar effects circuit lookup
BASSTREBLEPRESENCEVOLUMEMIDGAINTIGHT (TOGGLE SWITCH)

125B · 7 knobs

PedalPCB· PCB043

Dirty Sanchez OD

Based on the Friedman Dirty Shirley· 3 other boards clone it

Category
Distortion
Controls
Bass · Treble · Presence · Volume · Mid · Gain · Tight (Toggle switch)
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document7/22/21

From the vendor

Controls

• Bass – Controls the bass frequencies

• Treble – Controls the treble frequencies

• Presence – Controls the upper mid-range frequencies

• Volume – Controls the output volume

• Mid – Controls the midrange frequencies

• Gain – Controls the amount of gain

• Tight (Toggle switch) – Controls the pre-gain low end frequencies

Details

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

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 79 rows

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RefValueNormalizedTypeNotes
Resistors 34
R11M1MResistor, 1/4W
R2330K330kResistor, 1/4W
R310K10kResistor, 1/4W
R422K22kResistor, 1/4W
R539K39kResistor, 1/4W
R618K18kResistor, 1/4W
R710K10kResistor, 1/4W
R822K22kResistor, 1/4W
R922K22kResistor, 1/4W
R1122K22kResistor, 1/4W
R1222K22kResistor, 1/4W
R13220K220kResistor, 1/4W
R1427K27kResistor, 1/4W
R1510K10kResistor, 1/4W
R172K22.2kResistor, 1/4W
R1833K33kResistor, 1/4W
R1933K33kResistor, 1/4W
R202K22.2kResistor, 1/4W
R21470K470kResistor, 1/4W
R222K22.2kResistor, 1/4W
R232K22.2kResistor, 1/4W
R2422K22kResistor, 1/4W
R25100K100kResistor, 1/4W
R263K33.3kResistor, 1/4W
R2722K22kResistor, 1/4W
R283K93.9kResistor, 1/4W
R10010R10Resistor, 1/4W
R10120K20kResistor, 1/4W
R10222K22kResistor, 1/4W
R1032K22.2kResistor, 1/4W
R10420K20kResistor, 1/4W
R10522K22kResistor, 1/4W
R1062K22.2kResistor, 1/4W
R1074K74.7kResistor, 1/4W
Capacitors 24
C122n22nFilm capacitor, 7.2 x 2.5mm
C247p47pCeramic capacitor
C310n10nFilm capacitor, 7.2 x 2.5mm
C41n1nFilm capacitor, 7.2 x 2.5mm
C5100n100nFilm capacitor, 7.2 x 2.5mm
C647p47pCeramic capacitor
C747n47nFilm capacitor, 7.2 x 2.5mm
C8220p220pCeramic capacitor
C9220p220pCeramic capacitor
C1010n10nFilm capacitor, 7.2 x 2.5mm
C114n74.7nFilm capacitor, 7.2 x 2.5mm
C1222n22nFilm capacitor, 7.2 x 2.5mm
C13220n220nFilm capacitor, 7.2 x 5.0mme 2 of 2)
C142n22.2nFilm capacitor, 7.2 x 2.5mm
C1510n10nFilm capacitor, 7.2 x 2.5mm
C16220n220nFilm capacitor, 7.2 x 5.0mm
C10047u47uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C102100n100nFilm capacitor, 7.2 x 2.5mm
C10322u22uElectrolytic capacitor, 5mm
C104100n100nFilm capacitor, 7.2 x 2.5mm
C10522u22uElectrolytic capacitor, 5mm
C10622u22uElectrolytic capacitor, 5mm
C107100n100nFilm capacitor, 7.2 x 2.5mm
Diodes 5
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
ICs 4
IC1TL072TL072Dual op-amp, DIP8
IC2TL072TL072Dual op-amp, DIP8
IC3TL072TL072Dual op-amp, DIP8
IC4TL072TL072Dual op-amp, DIP8
Potentiometers 6
BASSC100KC100k16mm right-angle PCB mount pot
TREBLEB100KB100k16mm right-angle PCB mount pot
PRESC10KC10k16mm right-angle PCB mount pot
VOLUMEA50KA50k16mm right-angle PCB mount pot
MIDC100KC100k16mm right-angle PCB mount pot
GAINA1MA1M16mm right-angle PCB mount pot
Trimmers 1
GAIN TRIM100K100k3362P Trimmer Potentiometer
Switches 1
TIGHTSPDTSPDTToggle switch, SPDT (ON/ON)
LEDs 4
LED13mm Red LED3MM RED LED3mm Red LED, Diffused
LED23mm Red LED3MM RED LED3mm Red LED, Diffused
LED33mm Red LED3MM RED LED3mm Red LED, Diffused
LED43mm Red LED3MM RED LED3mm Red LED, Diffused

Other boards based on the Friedman Dirty Shirley