Akashic Guitar effects PCB lookup
GAINVOL

1590B · 2 knobs

Fuzz Dog· Roar

Roar Drive

Based on the Bellows

Category
Fuzz· OD/Dist/Preamp
Controls
Gain · Vol
Difficulty
Easy
Price
£32.40
Tags
fuzz

From the vendor

Now that's a nifty parts count for a very versatile drive. Designed to produce a vast range of drive tones. Keep the gain down low for light tube-like break-up, wind it up a bit for some crunch, or whack it all the way for saturated fuzz. There's got to be some magic in the FET clipping for it to work this well. Board-mounted pots for minimal wiring and easy mounting in the enclosure. 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 you want one. Be aware that the footswitch will be 22mm closer to your knobs that with the battery-free option. Knobs are not included. Inspired by: Bellows Difficulty: Easy PCB size: 50 x 20mm Knobs required: 2 Enclosure: 1590B Direct-Connect compatible (4-way) Download the 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 14 rows

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RefValueNormalizedTypeNotes
Resistors 4
R110K10k
R210K10k
R322K22k
R4200R200
Capacitors 5
C122N22n
C21n1n
C368n68n
C4100u100uElectrolytic capacitor
C5100u100uElectrolytic capacitor
Diodes 1
D11N58171N5817
Transistors 2
Q1MPSA13MPSA13
Q22N5457*2N5457
Potentiometers 2
GAIN250KBB250k
VOL100KBB100k