Akashic Guitar effects circuit lookup
DWELLMIXTONEVOL

1590XX · 4 knobs

Scientific Guitarist

Riptide Spring ReverbTrue Analog Spring Reverb

Category
Reverb
Controls
Dwell · Mix · Tone · Vol
Price
see vendor

From the vendor

Reverb is a great effect; it's used almost everywhere. The first portable reverb units were those build into early amplifiers, such as the Fender “Reverb” series amplifiers. Many pedal incarnations seek to capture the drippy, surfy tone of spring reverb through use of DSP, PT2399 chips, or various other methods. However, there is very little that can really substitute for the physical motion of sound through springs. There are nonlinearities and other effects that are very hard to program in DSP and that are impossible to capture with components like PT2399.

A real spring reverb in pedal size is difficult because the springs need physical space to be placed in, along with their corresponding drivers. The reverb tanks found in amps are far too large for pedals, but fortunately Accutronics (makers of most spring reverb tanks as well as the Belton reverb bricks) make a small, two-spring, p

Schematic

The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 66 rows

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RefValueNormalizedTypeNotes
Resistors 18
R1100k100k
R21M1M
R322k22k
R4150R150
R510R10
R610R10
R73k33.3k
R82k22.2k
R9100k100k
R10220R220
R1122k22k
R123k33.3k
R1422k22k
R15220k220k
R1622k22k
R1722k22k
R193k33.3k
R2022k22k
Capacitors 20
C122n22n
C21n1n
C31u1u
C410u10u
C522n22n
C610u10u
C7470p470p
C81u1u
C91u1u
C1222n22n
C1322n22n
C141u1u
C151u1u
C161u1u
C17100u100u
C1810u10u
C1910u10u
C2022n22n
C21100n100n
C2247p47p
Diodes 2
D11N400x, 1N58171N400X / 1N5817
D31N4148-21N4148-2
Transistors 2
Q1MMBFJ201MMBFJ201
Q2MMBFJ112MMBFJ112
ICs 3
IC1NE5532NNE5532N
IC2NE5532NNE5532N
U1TC1044SCPATC1044SCPA
Potentiometers 4
DWELLB50kB50k
MIXB50kB50k
TONEB50kB50k
VOLA100kA100k
LEDs 2
D2LEDLED
R18RLEDRLED
Other 15
+9VLSP10LSP10
GNDLSP10LSP10
GND_INLSP10LSP10
GND_OUTLSP10LSP10
INLSP10LSP10
OUTLSP10LSP10
RR+LSP10LSP10
RR-LSP10LSP10
RS+LSP10LSP10
RS-LSP10LSP10
SW1ALSP10LSP10
SW1BLSP10LSP10
SW1CLSP10LSP10
SW2ALSP10LSP10
SW2BLSP10LSP10