Akashic Guitar effects PCB lookup
FUZZSWELL

1590B · 2 knobs

From the vendor

This board replicates the much sought after John Hornby Skewes Zonk Machine MKI pedal produced in Leeds England in 1965 – 1966. A three transistor circuit that needs careful biasing – socket your resistors on this one! It has 2 knobs, Fuzz and Swell – it’s a classic fuzz for a fraction of the price of hunting down and finding an original. Whilst you can put it in any box from a 1590B upwards, we suggest a big enclosure like the original’s came it – it will add more mojo fuzz or something 🙂

Schematic

The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 25 rows

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RefValueNormalizedTypeNotes
Resistors 11
R11M1MR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R21M1MR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R63k33.3kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R73k33.3kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R34k74.7kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R4470k470kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R52k22.2kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R815k15kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R910k10kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R1056k56kR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
R112M22.2MR Axial DIN0207 L6.3mm D2.5mm P7.62mm Horizontal
Capacitors 6
C222u22uCP Radial D5.0mm P2.00mm
C422u22uCP Radial D5.0mm P2.00mm
C110u10uCP Radial D5.0mm P2.00mm
C31n1nC Rect L7.0mm W2.0mm P5.00mm
C5100n100nC Rect L7.0mm W2.0mm P5.00mm
C647n47nC Rect L7.0mm W2.0mm P5.00mm
Diodes 1
D11N58171N5817D DO-41 SOD81 P7.62mm Horizontal
Transistors 3
Q1A02650A02650Trans-Can-WIDE
Q2OC75OC75Trans-Can-WIDE
Q3OC44OC44Trans-Can-WIDE
ICs 1
U1TC1044SCPATC1044SCPADIP-8 W7.62mm Socket
Potentiometers 2
FUZZA50KA50kPotentiometer Alpha just holes
SWELLA500KA500kPotentiometer Alpha just holes
Other 1
G***LOGOLOGOfcp-logo-head-29mm