125B · 3 knobs

Duo-Vibe

Based on the CultureJam Duo-Vibe (Wobbletron)

Category: Vibrato / Chorus
Controls: Depth · Rate · Wave
Price: $6.00in stock

Buy the PCB at Effects Layouts Build document

From the vendor

The DUO-VIBE is a simple optical vibrato circuit originally designed by CultureJam. It’s a development from Tim Escobedo’s Wobbletron and produces moderate vibrato and can get into subtle phaser territory.

DUO-VIBE build doc

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Original Vibrato Design

Schematic

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

Parts list 42 rows

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Ref	Value	Normalized	Type
Resistors 20
R1	1M	1M
R2	2.2M	2.2M
R3	10k	10k
R4	10k	10k
R5	2.2M	2.2M
R6	10k	10k
R7	10k	10k
R8	1M	1M
R9	1M	1M
R10	10k	10k
R11	1M	1M
R12	220k	220k
R13	220k	220k
R14	220k	220k
R15	220k	220k
R16	2.2k	2.2k
R17	2.2k	2.2k
R18	1k	1k
R19	1k	1k
R20	100Ω	100
Capacitors 12
C9	10n	10n
C10	10µ	10u
C11	100µ	100u
C12	100µ	100u
C1	100n	100n
C2	22n	22n
C3	3.3n	3.3n
C4	33n	33n
C5	100n	100n
C6	22n	22n
C7	1µ	1u
C8	10µ	10u
Diodes 1
D1	1N5817	1N5817
Transistors 3
Q1	2N5088	2N5088
Q2	2N5088	2N5088
Q3	2N5088	2N5088
ICs 1
IC1	RC4558	RC4558
Potentiometers 3
DEPTH	B1K	B1k	Potentiometer
RATE	C100K	C100k	Potentiometer
WAVE	B500K	B500k	Potentiometer
LEDs 2
LED1	3mm or 5mm	3MM OR 5MM
LED2	3mm or 5mm	3MM OR 5MM