Akashic Guitar effects PCB lookup
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1590B

Fuzz Dog· HeavMag

Heavy Magic

Based on the Quantum Mystic

Category
Overdrive· OD/Dist/Preamp
Difficulty
Medium
Price
£39.60
Tags
od-distortion

From the vendor

What could be better than a sweet old DOD OD250? Perhaps a super-tuned box of just that with bells on. This circuit gives you all the feel of that classic, but with a metric shed-load of extra bottom end and a very useful three-band EQ to shape that earth-shattering signal to perfection. This is heavy. Like, proper heavy. Just to make things even sweeter we've added the option for extra clipping on a toggle switch, or you can even drop the clipping altogether for a massive box of crunch. The latter is especially useful for you bass fiends. The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs. Pot spacing is 17.5mm so small knobs are a must. 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 available as an option 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: Quantum Mystic Difficulty: Medium PCB size: 50 x 43mm Knobs required: 5 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 39 rows

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RefValueNormalizedTypeNotes
Resistors 18
R11M1M
R210K10k
R31M1M
R41M1M
R54K74.7k
R610K10k
R747K47k
R81M1M
R96K26.2k
R103K63.6k
R113K63.6k
R125K65.6k
R135K65.6k
R145K65.6k
R156K26.2k
R161M1M
R171M1M
R181M1M
Capacitors 15
C1100u100uelec
C247n47n
C347u47uelec
C41n1n
C51u1u
C647n47n
C71u1u
C847n47n
C91u1u
C101u1u
C116n86.8n
C1239n39n
C1310n10n
C1410n10n
C1510u10uelec
Diodes 5
D2GeGE
D3GeGE
D43mm3MM
D53mm3MM
D11N58171N5817
ICs 1
IC1TL074TL074