Akashic Guitar effects PCB lookup
BASEDOWNSUBUPVOLFILT

1590B · 6 knobs

Fuzz Dog· OctMast

Octave Master

Based on the Bit Commander

Category
Fuzz
Controls
Base · Down · Sub · Up · Vol · Filt
Difficulty
Medium
Price
£48.00
Tags
fuzz

From the vendor

This is nasty in the best possible way. An analog, monophonic octaver that'll wreak havoc with your tone, whether you wield guitar, bass or synth. Dirtying up your signal with a square wave fuzz, and splitting it into three additional octaves which you can balance with an adjustable level on each. Base signal, one octave down, two octaves down and a dirty octave up driven by a transformer, just like an octavia. Add in the filter control and you have a lot of experimenting to do. This is NOT a precise, pristine octaver. It tracks well once you're over the 7th fret, but it is glitchy which is half the fun. Think of it as a more versatile MXR Blue Box. We didn't bother trying to squeeze this into a 1590B, so BB is where it's at. The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs. Available with top or side mounted jacks/DC. 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 take a battery. Knobs are not included. Inspired by: Bit Commander Difficulty: Medium PCB size: 80 x 40mm Knobs required: 6 Direct Connect compatible (4 or 6-way) Dowload 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 40 rows

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RefValueNormalizedTypeNotes
Resistors 12
R11M1M
R322K22k
R4220K220k
R5100K100k
R647K47k
R7220K220k
R8220K220k
R910K10k
R1010K10k
R1110K10k
R1210K10k
R13100K100k
Capacitors 16
C11u1uelec
C21u1uelec
C31u1uelec
C4100u100uelec
C51u1uelec
C61u1uelec
C71u1uelec
C81u1uelec
C91u1uelec
C1110n10n
C121n1n
C1322n22n
C1410u10uelec
C1522n22n
C1610u10uelec
C17100u100uelec
Diodes 3
D21N41481N4148
D31N41481N4148
D11N40011N4001
ICs 3
IC1LM386LM386
IC2TL072TL072
IC3CD4024BECD4024BE
Potentiometers 6
BASE100KBB100kPotentiometer
DOWN100KBB100kPotentiometer
SUB100KBB100kPotentiometer
UP2KBB2kPotentiometer
VOL100KAA100kPotentiometer
FILT5KBB5kPotentiometer