Akashic Guitar effects circuit lookup
GAINVOLUMETONE

1590B · 3 knobs

Coda Effects

Supreaux Deux

Based on the Run Off Groove Supreaux Deux· 6 other boards clone it

Category
Overdrive
Controls
Gain · Volume · Tone
Price
€9.00in stock

From the vendor

Detailled build document available.

This PCB allows you to build a JHS Superbolt clone. The Superbolt is heavily inspired by the Supreaux Deux, a circuit emulating the preamp of an old Supro amp.

Four controls:

• Gain: can go from an always on light drive to a heavy overdriven sound

• Volume: plenty on tap

• Tone Control, mainly to shape the treble content of the pedal.

• Hi / Lo switch : emulate the two inputs of the amp. Help you to set the amount of trebles as well to choose between a gritty gain or something warmer.

Genuine through-hole JFETs are more and more difficult to find these days (most of the through-hole JFETs sold online are fakes), so you can order a presoldered board

Schematic

The schematic is in the vendor's build document, page 5. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 38 rows

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RefValueNormalizedTypeNotes
Resistors 10
R11M1M
R21M1M
R31.5k1.5k
R4470k470k
R52.7k2.7k
R6120k120k
R7470k470k
R8220R220
R912k12k
R1012k12k
Capacitors 15
C122nF22n
C233uF33u
C3470pF470p
C44.7nF4.7n
C54.7nF4.7n
C6470pF470p
C710nF10n
C84.7nF4.7n
C910nF10n
C103.3nF3.3n
C113.3nF3.3n
C1247uF47u
C130.1uF100n
C1410uF10u
C1510uF10u
Diodes 3
D11n40011N4001
D21n40011N4001
D31n40011N4001
Transistors 3
Q4J201**J201
Q5J201**J201
Q6J201**J201
Potentiometers 3
GAIN500KAA500kPotentiometer
VOLUME100KAA100kPotentiometer
TONE500KAA500kPotentiometer
Trimmers 3
TRIM1100K100kTrimmer
TRIM2100K100kTrimmer
TRIM350K50kTrimmer
Jacks & sockets 1
J201transistorsTRANSISTORS

Other boards based on the Run Off Groove Supreaux Deux