Akashic Guitar effects PCB lookup
BIAS

1590B · 1 knobs

Fuzz Dog· JTM1

Just The Meat

Based on the JTM

Category
Overdrive· OD/Dist/Preamp
Controls
Bias
Difficulty
Easy
Price
£21.60
Tags
od-distortion

From the vendor

No veg with this tiny little drive that'll get your tone into the realm of British mid 60s rock. Highly pick-responsive, and much lighter than a JTM45 head. Run it at 9V or 18V for two very different break-up/headroom experiences. Kit is available with a standard sized 1590B enclosure with battery, or a mini 1590A (36 x 90mm) enclosure with DC power only, though be aware that you'll be wiring in a very confined space. 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, in a 1590B. 1590A will not take a battery. Knobs are not included. Builds are only available with full kits including enclosure. Please choose appropriate knobs. Inspired by: JTM Difficulty: Easy PCB size: 25 x 22mm Knobs required: 1 Enclosure: 1590B, 1590A 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 13 rows

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RefValueNormalizedTypeNotes
Resistors 5
R11M1M
R22M22.2M
R33K33.3k
R4330R330
R53K33.3k
Capacitors 4
C147n47n
C2100n100n
C347u47uelec
C447u47uelec
Diodes 2
D1BAT46BAT46
D2BAT46BAT46
Transistors 1
Q12n50892N5089
Potentiometers 1
BIAS5KBB5kPotentiometer