Akashic Guitar effects PCB lookup
1

1590B

Fuzz Dog· EPicBoost

EPic Boost

Based on the EP Boost· 1 other board clones it

Category
Boost
Difficulty
Easy
Price
£22.80
Tags
boost

From the vendor

NOTE: This is based on the original version of the pedal, not the more recent one which has ditched the fat mode in favour of a reduced output/+3dB switch. Clone of a very neat little transparent boost, based on the pre-amp section of the EP-3 Echo Machine. The circuit is actually nothing like that pre-amp, but it does sound like it. The circuit has Bright and Fat modes, selected with two switches. These can be internal DIP switches, or external toggle switches. If you do go for toggles they are board-mounted for minimal wiring and easy enclosure mounting. Combine with a Power Pump if you want to run it at 18v from your 9v supply for more headroom. 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 enclosure and vertical-mount pots. Please choose appropriate knobs. Inspired by: EP Boost Difficulty: Easy PCB size: 50 x 35mm Knobs required: 1 Enclosure: 1590B Direct-Connect compatible (4-way) If you want the kit pre-built you must add the enclosure option below and select your knobs in the Components section. Check Specials for powder-coated enclosure availability. Download 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 24 rows

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RefValueNormalizedTypeNotes
Resistors 13
R11M1M
R233K33k
R31M1M
R44K74.7k
R58K28.2k
R61K1k
R715K15k
R810K10k
R910K10k
R101M1M
R1110K10k
R1247K47k
R13100R100
Capacitors 8
C147n47n
C23n33.3n
C310u10uElectrolytic capacitor
C4100u100uElectrolytic capacitor
C547u47uElectrolytic capacitor
C610u10uElectrolytic capacitor
C710u10uElectrolytic capacitor
C810u10uElectrolytic capacitor
Diodes 1
D11N41481N4148
Transistors 2
Q12N5457/2N5457/
Q22N3904**2N3904

Other boards based on the EP Boost