Akashic Guitar effects PCB lookup
DEPTHFBACKFUZZSPEEDTIMEVOL

1590BB · 6 knobs

Fuzz Dog· RecNig

Recurring Nightmare - Modulated Delay

Based on the Echo Dream

Category
Delay· Delay/Mod/Filter
Controls
Depth · Fback · Fuzz · Speed · Time · Vol
Difficulty
Medium
Price
£58.80
Tags
delay-mod-filter

From the vendor

We have limited numbers of the XR2206 IC required for the modulation in this kit. Each chip has been tested in the circuit for functionality. Due to popular demand you can now purchase the kit without the XR2206 and source your own, albeit at your own risk of getting a dud. Another PT2399-based delay you say? Yes, but this one is from the whacky minds behind lots of fun fuzzes, filters and feedback devices so is more fun than most. You have your straight up delay circuit with Time and Feedback controls,along with a fuzz to add some optional filth to the mix. Anything over half way on the Time control gives you really nasty, dirty repeats as it's pushing the IC beyond it's capabilities, which just adds more interesting results. Then comes the really fun part. Subject the delayed signal to some modulation, with control over Speed, Depth and Waveform Shape. Blend controls your balance between the dry signal and the spacey weirdness coming from the circuitry, and you can even flip a switch to kill your origiinal signal altogether, leaving only the strangeness in the mix. Includes internal charge pump to get you 18V from your standard 9V supply, as the modulation chip needs 10V+ to work. The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs. Pot spacing is 20mm and they have round shafts, so take that into account when choosing 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 will not take a battery. Knobs are not included. Inspired by: Echo Dream Difficulty: Medium PCB size: 80 x 50mm Knobs required: 7 Enclosure: 1590BB 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 74 rows

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Resistors 31
R110K10k
R210K10k
R310K10k
R415K15k
R510K10k
R61K1k
R710K10k
R83K33.3k
R910K10k
R1010K10k
R1182K82k
R126K86.8k
R136K86.8k
R143K63.6k
R1513K13k
R1613K13k
R17220R220
R182K72.7k
R19680R680
R2010K10k
R2110K10k
R221K1k
R23470K470k
R24470K470k
R2510K10k
R2610K10k
R271M1M
R28100R100
R298K28.2k
R3010K10k
R31390R390
Capacitors 30
C1100n100n
C2100n100n
C382n82n
C447n47n
C52n22.2n
C633n33n
C72n22.2n
C810n10n
C91u1uelec
C10100n100n
C1110n10n
C1210u10uelec
C131u1uelec
C141u1uelec
C151u1uelec
C161u1uelec
C1710u10uelec
C1810u10uelec
C191u1uelec
C20680n680n
C21470p470p
C22100n100n
C231u1uelec
C24220p220p
C251u1uelec
C2610n10n
C27100u100uelec
C28100u100uelec
C29100u100uelec
C30100u100uelec
Diodes 3
D21400114001
D31400114001
D11400114001
ICs 4
IC1XR2206P**XR2206P
IC2PT2399PT2399
IC37660S***7660S
U178L0578L05
Potentiometers 6
DEPTH100KCC100kPotentiometer
FBACK100KCC100kPotentiometer
FUZZ1MAA1MPotentiometer
SPEED1MAA1MPotentiometer
TIME100KAA100kPotentiometer
VOL100KAA100kPotentiometer