Akashic Guitar effects PCB lookup
BIASDEPFUZZVOL

1590B · 4 knobs

Fuzz Dog· lvcrft

Lovecraft Fuzz

Based on the 3-knob Hybrid Cthulu

Category
Fuzz
Controls
Bias · Dep · Fuzz · Vol
Difficulty
Easy
Price
£36.00
Tags
fuzz

From the vendor

There's a doomy one-knob fuzz capable of atmospheric disturbance right here.

This one is based on that but goes stratospheric, prodding the void where the eldritch horrors lay in wait.

There's some dark magic in the combination of the MOSFET and germanium transistor that takes this one into unknown realms. Crank up that depth control and see new colours...

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 will not take a battery. Knobs are not included.

Builds are only available with full kits including enclosures. Please choose appropriate knobs.

Inspired by: 3-knob Hybrid Cthulu

Difficulty: Easy

PCB size: 50 x 30mm

Knobs required: 3

Enclosure: 1590B

Direct Connect compatible (4 way)

If you want the kit pre-built you must add the enclosure option below and select your knobs in the Components section. Check Specials for powder-coated enclosure availability.

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 30 rows

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RefValueNormalizedTypeNotes
Resistors 10
R11M1M
R2100K100k
R327K27k
R4820R820
R5100R100
R633K33k
R7470K470k
R815K15k
R9100K100k
R10100R100
Capacitors 9
C115n15n
C2820p820p
C3100n100n
C4100n100n
C5470p470p
C61u1u
C71u1u
C1010u10uElectrolytic capacitor
C13100u100uElectrolytic capacitor
Diodes 2
D2GermaniumGERMANIUM
D31N58171N5817
Transistors 4
Q1PN2222*PN2222
Q2Germanium**GERMANIUM
Q3BS170BS170
Q4PN2222PN2222
Potentiometers 4
BIAS10K Trimmer10K TRIMMER
DEP100KCC100k
FUZZ1KCC1k
VOL100KBB100k
LEDs 1
D13mm Red LED3MM RED LED