Akashic Guitar effects PCB lookup
VOLCALIGAINTONE

1590B · 4 knobs

Fuzz Dog· Projectile

Projectile

Based on the Gunshot

Category
Overdrive· OD/Dist/Preamp
Controls
Vol · Cali · Gain · Tone
Difficulty
Medium
Price
£39.60
Tags
od-distortion

From the vendor

Tube Screamer on steroids would be an unfair description, but there's no denying the bedrock this box sits on.

Retaining the mid-range goodness the TS is famed for, this manages to be a lot more articulate at the top and bottom ends of the frequency range.

Front-loaded with a Boner Boost, you can increase your input signal to breaking point before it hits the main circuit, with similar results to giving a tube amp a nice big push.

A super high quality op-amp makes all this as quiet as can be. Well worth the extra couple of quid.

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

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 and vertical-mount pots. Please choose appropriate knobs.

Inspired by: Gunshot

Difficulty: Medium

PCB size: 50 x 41mm

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 43 rows

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RefValueNormalizedTypeNotes
Resistors 19
R110M10M
R210M10M
R35K15.1k
R410K10k
R5100K100k
R64K74.7k
R743K43k
R8820R820
R910K10k
R101K1k
R111K1k
R12510K510k
R1310K10k
R141K1k
R1551K51k
R1610K10k
R1710K10k
R181M1M
R19100R100
Capacitors 11
C1100n100n
C2100n100n
C347p47p
C4100n100n
C5220n220n
C61u1u
C7220n220n
C81u1u
C9100u100uelec
C1047u47uelec
C11100n100n
Diodes 6
D23mm3MM
D33mm3MM
D51N41481N4148
D61N41481N4148
D19V1 Zener9V1 ZENER
D41N58171N5817
Transistors 2
Q1BS170BS170
Q22n39042N3904
ICs 1
IC1OPA2134OPA2134
Potentiometers 4
VOL100KAA100kPotentiometer
CALI5KCC5kPotentiometer
GAIN1MAA1MPotentiometer
TONE20KWW20kPotentiometer