Akashic Guitar effects PCB lookup

1590B

From the vendor

The 8-Bitar prototype, AKA the BitBreaker.

The 8-Bitar is a minimalistic octave down pedal with a 8-bit sound (glitchy and gated square wave fuzz). It's small enough to fit inside a 1590A.

The design goal with this pedal was to achieve a square wave octave down with as few components as possible. I'm happy with the result since it only uses one chip (a CD4069) and one transistor.

Usual caveats apply for getting the best tracking - humbuckers, neck pickup and tone rolled off.

• PCB available in the shop

• Build document PDF • Stripboard layout PDF

DIY kits available from Das Musikding Smallbear Electronics

• Etch layout (effectslayouts.blogspot.com)

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Schematic

The schematic is in the vendor's build document, page 6. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 21 rows

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RefValueNormalizedTypeNotes
Resistors 9
R11M1M
R21M1M
R31M1M
R447K47k
R51M1M
R6100K100k
R710K10k
R810K10k
R9100K100k
Capacitors 8
C1100nF100n
C2100nF100n
C32.2nF2.2n
C44.7nF4.7n
C5100pF100p
C61nF1n
C74.7uF4.7u
C810uF10u
Diodes 1
D11N40011N4001
Transistors 2
Q178L0578L05
Q22N39042N3904
ICs 1
U1CD4069UBECD4069UBE