Akashic Guitar effects PCB lookup
BASSTREBLEGAIN

125B · 3 knobs

PedalPCB· PCB556

Micro-Addition Boost

Based on the MXR Micro Amp+· 1 other board clones it

Category
Boost
Controls
Bass · Treble · Gain
Price
$10.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document8/16/23

From the vendor

Controls

• Bass

• Treble

• Gain

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 31 rows

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RefValueNormalizedTypeNotes
Resistors 15
R12M22.2MResistor, 1/4W
R21M1MResistor, 1/4W
R310K10kResistor, 1/4W
R42K72.7kResistor, 1/4W
R556K56kResistor, 1/4W
R62K22.2kResistor, 1/4W
R7750R750Resistor, 1/4W
R882K82kResistor, 1/4W
R9560R560Resistor, 1/4W
R102K22.2kResistor, 1/4W
R11470R470Resistor, 1/4W
R1210K10kResistor, 1/4W
R100100K100kResistor, 1/4W
R101100K100kResistor, 1/4W
R1024K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 10
C1100n100nFilm capacitor, 7.2 x 2.5mm
C24u74.7uElectrolytic capacitor, 5mm
C347p47pCeramic capacitor
C422u22uElectrolytic capacitor, 5mm
C5100n100nFilm capacitor, 7.2 x 2.5mm
C622n22nFilm capacitor, 7.2 x 2.5mm
C72n22.2nFilm capacitor, 7.2 x 2.5mm
C822u22uElectrolytic capacitor, 5mm
C100100u100uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm
Diodes 1
D1001N58171N5817Schottky diode, DO-41
ICs 2
IC1TL072TL072Dual op-amp, DIP8
IC2LM833LM833Dual op-amp, DIP8
Potentiometers 3
TREBLEW20KW20k16mm right-angle PCB mount pot
BASSW20KW20k16mm right-angle PCB mount pot
GAINC500KC500k16mm right-angle PCB mount pot

Other boards based on the MXR Micro Amp+