Akashic Guitar effects PCB lookup
123

1590B

Fuzz Dog· SpecVb

Spectre Verb

Based on the Ghost Echo

Category
Delay· Delay/Mod/Filter
Difficulty
Medium
Price
£42.00
Tags
delay-mod-filter

From the vendor

All the fun of a vintage spring reverb in a neat little package. No, it isn't spring reverb, but it does a very good job of sounding like one. The Accutronics BTDR-2 reverb brick and the PT2399 delay chip are a match made in aural heaven, with the delay chip offering a short pre-verb attack on the wet signal. This "Attack" control can give slap-back type effects or just fill out the sound depending on how you play. It certainly adds a whole new element to the mix. The "Dwell" pot adjusts the length of the decay, as well as how full-sounding it is. This is very subtle on the original pedal, so this kit comes with the option of going bigger with it, offering a much more obvious range to this control. "Depth" is the intensity of the reverb. Overall, this is a very versatile 'verb. Pair it up with your choice of brick (add that to your basket here) for whatever kind of sound you're after. Original uses "Long" for some really spacey atmosphere, but it'll work ok with Short and Medium. The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs.. Pots are very tightly spaced (17.5 mm) so take that into consideration when choosing knobs. Note: In stock configuration there is a slight volume drop when this circuit is engaged. It's just the way it is. Take it up with the designers of the original! We include an extra resistor with the kit to fix this. Details in the build doc. 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 (not the BTDR-2), 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. Inspired by: Ghost Echo Difficulty: Medium PCB size: 50 x 50mm Knobs required: 3 Enclosure: 1590B Direct-Connect compatible (4-way) Requires BTDR-2 reverb brick, sold separately. Download INSTRUCTION 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 46 rows

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RefValueNormalizedTypeNotes
Resistors 21
R11M1M
R21M1M
R322K22k
R412K12k
R610K10k
R710K10k
R822K22k
R933K33k
R1010K10k
R1110K10k
R1215K15k
R1315K15k
R1410K10k
R1515K15k
R161K1k
R1722K22k
R18470R470
R19100K100k
R2010K10k
R2110K10k
R222K22.2k
Capacitors 20
C11u1u
C11100n100n
C2470n470n
C12470n470n
C3470n470n
C1310u10uelec
C41n1n
C1410u10uelec
C52n22.2n
C151u1uelec
C6100n100n
C162u22.2uelec
C710n10n
C1710u10uelec
C8100n100n
C18100u100uelec
C9100n100n
C19100u100uelec
C10100n100n
C20100u100uelec
Diodes 1
D11N40011N4001
ICs 4
IC378L05**78L05
IC478L05**78L05
IC1TL074TL074
IC2PT2399PT2399