Akashic Guitar effects circuit lookup
TONEGAINVOL

1590B · 3 knobs

Fuzz Dog· BallBreaker

Ball Breaker

Based on the Marshall Bluesbreaker· 19 other boards clone it

Category
Overdrive· OD/Dist/Preamp
Controls
Tone · Gain · Vol
Difficulty
Medium
Price
£26.40
Tags
od-distortion

From the vendor

Based on the Mk I (black box) Blues Breaker, with some tweaks. Parts are included to add slightly more gain than the original, and for a better tone section with more bottom end. Or you can stick with the stock components. The PCB has extra places for parts to make the King of boutique variations on a Blues Breaker. This includes BA282 diodes rather than the impossible to source MA856 in the original units. They have the same characteristics and sound identical. 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 can take a battery if desired with footswitch positioned 22mm higher, closer to the controls. Knobs are not included. Builds are only available with full kits including enclosures. Please choose appropriate knobs. Inspired by: Blues Breaker Difficulty: Medium PCB size: 50 x 40mm Knobs required: 3 Enclosure: 1590B Direct Connect compatible (4 way) Download the INSTRUCTION PDF Here's the older PDF

Schematic

The schematic is in the vendor's build document, page 2. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 30 rows

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Variant
RefValueNormalizedTypeNotes
Resistors 13
R11M51.5M
R24K74.7k
R33K33.3k
R41M1M
R64K74.7k
R74K74.7k
R86K86.8k
R106K86.8k
R111K1k
R121M51.5M
R1347K47k
R1447K47k
R152K22.2kor CLR
Capacitors 8
C110n10n
C247p47p
C310n10n
C410n10n
C6100n100n
C9100n100n
C10100u100uElectrolytic capacitor
C11100u100uElectrolytic capacitor
Diodes 5
D11N41481N4148
D21N41481N4148
D31N41481N4148
D41N41481N4148
D71N40011N4001
ICs 1
IC1TL072TL072
Potentiometers 3
TONE20KBB20kPotentiometer
GAIN100KBB100kPotentiometer
VOL100KAA100kPotentiometer

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