Akashic Guitar effects PCB lookup
LEVELQFREQUENCYMIDRANGE / LOW-PASS

125B · 4 knobs

PedalPCB· PCB571

EQ, Anyone?

Based on the Yamaha NE-1 Bass Parametric EQ

Category
EQ / Filter
Controls
Level · Q · Frequency · Midrange / Low-Pass
Price
$8.00in stock
Tags
125B, Bass
Buy the PCB at PedalPCB Build document8/12/23

From the vendor

Controls

• Level

• Q

• Frequency

• Midrange / Low-Pass (Toggle switch)

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 27 rows

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RefValueNormalizedTypeNotes
Resistors 12
R11M1MResistor, 1/4W
R21K1kResistor, 1/4W
R3470K470kResistor, 1/4W
R415K15kResistor, 1/4W
R510K10kResistor, 1/4W
R61K1kResistor, 1/4W
R71K1kResistor, 1/4W
R8470K470kResistor, 1/4W
R91K1kResistor, 1/4W
R10039K39kResistor, 1/4W
R10147K47kResistor, 1/4W
CLR4K74.7kResistor, 1/4W� LED current limiting resistor
Capacitors 9
C1100n100nFilm capacitor, 7.2 x 2.5mm
C247p47pCeramic capacitor
C310u10uElectrolytic capacitor, 5mm
C456n56nFilm capacitor, 7.2 x 2.5mm
C52n22.2nFilm capacitor, 7.2 x 2.5mm
C6100n100nFilm capacitor, 7.2 x 2.5mm
C710u10uElectrolytic capacitor, 5mm
C10010u10uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm
Diodes 1
D1001N58171N5817Schottky diode, DO-41
ICs 1
IC1JRC4558JRC4558Dual op-amp, DIP8
Potentiometers 3
LEVELA25KA25k16mm right-angle PCB mount pot
QA100KA100k16mm right-angle PCB mount pot
FREQB50KB50k16mm right-angle PCB mount pot� Dual gang potentiometer
Switches 1
LPFON/ONON/ONToggle switch, SPDT2-position (ON/ON)