Akashic Guitar effects PCB lookup
123

1590B

Fuzz Dog· FatPig

Fat Pig

Based on the Plexi Drive· 1 other board clones it

Category
Overdrive· OD/Dist/Preamp
Difficulty
Medium
Price
£38.40
Tags
od-distortion

From the vendor

Big fat tube-like drive.

Cascading CMOS gain/clipping stages, much like the Red Llama, give a warm breakup across a range of gains. Bluesy grit through to almost too much saturation, with a MORE toggle to push it that little bit further. Tweak the tone with the variable low-pass filter and you've got yourself a winner.

Power with 9-18V, though honestly it sounds great with just the 9.

The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs.

You will need a multimeter to tune this circuit. You *could* do it by ear but it's not recommended.

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 only available with full kits, and will not take a battery. Knobs are not included.

Inspired by: Plexi Drive

Difficulty: Medium

PCB size: 50 x 50mm

Knobs required: 3

Enclosure: 1590B

Power and Signal pads match the Direct Connect 3PDT Daughterboard

Check Specials for powder-coated enclosure availability.

Download INSTRUCTION PDF

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 38 rows

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RefValueNormalizedTypeNotes
Resistors 20
R110M10M
R210K10k
R31M1M
R42M22.2M
R5100K100k
R71K51.5k
R862K62k
R947K47k
R10130K130k
R11100K100k
R12130K130k
R13100K100k
R14130K130k
R15100K100k
R16130K130k
R172M22.2M
R18560K560k
R19560K560k
R201M1M
R21150R150
Capacitors 13
C110n10n
C2100n100n
C3100p100p
C482n82n
C51u1uElectrolytic capacitor
C627n27n
C7100p100p
C827n27n
C9220n220n
C101u1uElectrolytic capacitor
C1110u10uElectrolytic capacitor
C12100n100n
C13100u100uElectrolytic capacitor
Diodes 2
D11N58171N5817
D2-31N41471N4147
ICs 2
IC1TL072TL072
IC2CD4049UBECD4049UBE
Switches 1
SWSPDT ON-ONSPDT ON-ON

Other boards based on the Plexi Drive