Akashic Guitar effects PCB lookup
BASSTREBDISTVOL

1590B · 4 knobs

Fuzz Dog· RODBAX

Rodent Baxandall

Based on the Rat· 3 other boards clone it

Category
Distortion· OD/Dist/Preamp
Controls
Bass · Treb · Dist · Vol
Difficulty
Medium
Price
£33.60
Tags
od-distortion

From the vendor

The Rat. What's not to love? Well, maybe the fairly limited scope of the tone control. Help is at hand...

We've kicked the tone into touch and brought in a two-band Baxandall tone stack so you can tweak and tweak and... (OK, technically it's a James stack as it's passive, but everyone calls it Baxandall - you know what it is). Available tuned for standard guitar, using the stack values from the Catalinbread Manx Loaghtan, or a more bass and drop-tune friendly version based on a boutique box that definitely doesn't blow.

All that Bax action takes a toll on the signal level, so we've given you the option of building it with the normal Rat buffer on the output, which will reach unity at around 1-2 o'clock, or going for a much better speaker-worryingly-awesome FET boost configuration.

Hmm, what else... How about a second set of clipping diodes so you can toggle between two flavours? We'll supply 1N4148 (Classic) and red LEDs (Turbo) with the kits anyway, you just need to select the addiitonal toggle switch Add a pair of germanium diodes to the mix if you want to go for the 'You Dirty' option.

Kit is supplied with OP07. Our stash of vintage LM308 is gone.

Optional trimmer for the ruez 'Response' control mod.

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 (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: Rat

Difficulty: Medium

PCB size: 50 x 45mm

Knobs required: 4

Enclosure: 1590B

Direct-Connect compatible (4-way)

Download the this 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 48 rows

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RefValueNormalizedTypeNotes
Resistors 16
R11M1M
R21K1k
R3560R560
R42K22.2k
R51K1k
R6100K100k
R71M1M
R81K51.5k
R1010K10k
R1110K10k
R121M1M
R1410K10k
R151M1M
R16100K100k
R910K10k
R131K1k
Capacitors 19
C122n22n
C21n1n
C3100p100p
C433p33p
C54u74.7uelec
C62u22.2uelec
C74u74.7uelec
C922n22n
C11100u100uelec
C1247u47uelec
C1347n47n
C144u74.7uelec
C1510n10n
C16470p470p
C174n74.7n
C181u1uelec
C19100p100p
C833n33n
C9A10u10uelec
Diodes 7
D21N41481N4148
D31N41481N4148
D43mm3MM
D53mm3MM
D11N40011N4001
D6Jumper*JUMPER
D07casesCASES
Transistors 1
Q12N54572N5457
ICs 1
IC1LM308NLM308N
Potentiometers 4
BASS500KBB500kPotentiometer
TREB500KBB500kPotentiometer
DIST100KAA100kPotentiometer
VOL100KAA100kPotentiometer

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