Akashic Guitar effects PCB lookup
BIASFUZZINPUTVOL

1590B · 4 knobs

Fuzz Dog· 25rev

2.5 Revs

Based on the Fairfield 900

Category
Fuzz
Controls
Bias · Fuzz · Input · Vol
Difficulty
Medium
Price
£36.00
Tags
fuzz

From the vendor

Fearsome FET-based Fuzz.

What's so special about that? Well, it's an unusual thing. Most fuzzes use something other than FETs for their signal smashing, and the flavour here is something other than the norm.

The four controls are very interactive, and give you a massive range of tonal variation - from a bit of sizzle to blown-tubes and ripped speaker cone smash-up. It's just... different.

Those magical FETs are available as through-hole, or SMT if you can handle the tiny blighters and want to save a few quid.

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 (depending on selected options), 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.

Builds are only available with full kits including enclosure and vertical-mount pots. Please choose appropriate knobs.

Inspired by: Fairfield 900

Difficulty: Medium

PCB size: 50 x 40mm

Knobs required: 4

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 38 rows

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RefValueNormalizedTypeNotes
Resistors 16
R1100R100
R21M1M
R347K47k
R410K10k
R547R47
R61K1k
R74M74.7M
R83K33.3k
R93K33.3k
R10220K220k
R1110K10k
R12470R470
R132K22.2k
R14150K150k
R15470K470k
R161K1k
Capacitors 12
C1100n100n
C2100n100n
C3100u100uelec
C4220p220p
C510n10n
C6100n100n
C7100n100n
C8100n100n
C9220p220p
C101u1u
C1122u22uelec
C1222u22uelec
Diodes 1
D11N58171N5817
Transistors 4
Q1J201J201
Q2J201J201
Q3J201J201
Q42N39042N3904
Potentiometers 4
BIAS50KBB50kPotentiometer
FUZZ100KAA100kPotentiometer
INPUT1MAA1MPotentiometer
VOL10KAA10kPotentiometer
Jacks & sockets 1
J201//