Akashic Guitar effects PCB lookup
GAINLEVELTONE

1590B · 3 knobs

Fuzz Dog· boxofbass

Box of Bass

Based on the Basstortion

Category
Boost· OD/Dist/Preamp
Controls
Gain · Level · Tone
Difficulty
Medium
Price
£31.20
Tags
od-distortion

From the vendor

Who doesn't love the Box of Rock? Well, probably a bunch of people, but no matter. Here we have something on the same lines but tuned specially for you bass players.

Yeah, it doesn't have the boost switch, but neither does the original pedal this is based on. It just uses the same circuit topology as the BOR and tweaks those tones to get you in the same ballpark as a grunty Ampeg SVT

Bright/Dark toggle switch works in combination with your tone control to cover a lot of ground.

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 only available with full kits, and will not take a battery. Knobs are not included.

Inspired by: Basstortion

Difficulty: Medium

PCB size: 50 x 30mm

Knobs required: 3

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 18
R1100R100
R21M1M
R31M1M
R41M1M
R55K15.1k
R6470K470k
R71M1M
R81M1M
R9180R180
R105K15.1k
R111M1M
R121M1M
R13330R330
R145K15.1k
R1547K47k
R1682K82k
R1710K10k
R1810K10k
Capacitors 10
C1100u100uelec
C2100n100n
C322n22n
C4470p470p
C522n22n
C6100u100uelec
C7220n220n
C839n39n
C93n93.9n
C113n93.9n
Diodes 4
D29V19V1
D39V19V1
D49V19V1
D11N58171N5817
Transistors 3
Q1BS170BS170
Q2BS170BS170
Q3BS170BS170
Potentiometers 3
GAIN5KCC5kPotentiometer
LEVEL100KAA100kPotentiometer
TONE100KBB100kPotentiometer