Akashic Guitar effects PCB lookup
IN

1590B · 1 knobs

Fuzz Dog· GrTool

Greasy Tool - Crossover Distortion

Based on the Machine

Category
Distortion· OD/Dist/Preamp
Controls
In
Difficulty
Easy
Price
£31.20
Tags
od-distortion

From the vendor

Frequency tripling crossover distortion. Say WHHAAAAAAATTTT!!?!?!???? It's a slightly complicated business, but basically this clever box creates distortion on the 'wrong' bits of your waveform. Normally distortion is caused by clipping the peaks and troughs of your wave, but this creates it in the slope instead. Why would you want to do that? Good question. To be honest it sounds ghastly on its own, but stack it with other distortions or fuzzes and oh my.... What you get is sound where there previously wasn't any, where your speaker cone would previously have been waiting for the next hit, now it takes an unexpected thud. The result is a new element to the mix - a real stand-out punch that makes your tone hard to ignore. So why use it? Click it on for accented riffs and flourishes, or to cut your solo straight through the mix. But don't stop there. Use it as a sonic-creation tool, hammering out previously unheard frequencies with your modulation effects. With some creative thinking and experimentation the possibilities are endless. The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs. If you want the PCB without parts there's a link for that at the bottom of the page. Partial kit: PCB, all board-mounted components, pots. Full kit: As above, plus footswitch and appropriate daughterboard/components for your selected bypass type (see Downloads section for details of those), jack sockets, DC socket, battery snap, hook-up wire, LED. Enclosure (pre-drilled) is available as an option with full kits, and can take a battery if desired with footswitch positioned 22mm higher, closer to the controls. Knobs are not included. Builds are only available with full kits including enclosure and vertical-mount pots. Please choose appropriate knobs. Inspired by: Machine Difficulty: Easy PCB size: 50 x 35mm Knobs required: 3 Enclosure: 1590B Direct-Connect compatible (4-way) Download the INSTRUCTION PDF

Schematic

The schematic is in the vendor's build document, page 2. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 32 rows

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RefValueNormalizedTypeNotes
Resistors 15
R110M10M
R210M10M
R35K15.1k
R422K22k
R547K47k
R647K47k
R722K22k
R810M10M
R910M10M
R105K15.1k
R11470R470
R1222K22k
R1347K47k
R1447K47k
R1522K22k
Capacitors 5
C1100n100n
C21u1u
C31u1u
C41u1u
C51u1u
Diodes 5
D11N41481N4148
D21N41481N4148
D31N34A1N34A
D41N34A1N34A
D51N4001*1N4001
Transistors 6
Q1BS170BS170
Q4BS170BS170
Q22N39062N3906
Q52N39062N3906
Q32N39042N3904
Q62N39042N3904
Potentiometers 1
IN5KCC5kPotentiometer