Enclosure not stated · 5 knobs

Wampler Triple Wreck

Based on the Wampler Triple Wreck· 9 other boards clone it

Category: Distortion
Controls: Gain · Treble · Bass · Mids · Volume
Price: see vendor
Also as: Vero layout · from Revolution Deux
Tags: freestompboxes.org trace

Read the post at Revolution Deux Schematic image freestompboxes.org thread R-Customs PCB layout Harald Sabro (vero layouts) Vero layout

From the vendor

Wampler's very high-gain distortion, often compared to a 5150 amp. A TL074 runs an input buffer, two cascaded gain stages, diode clipping to ground and a feedback-clipping stage, followed by a passive treble and bass stack; a TL072 then adds a recovery stage and an active mid control. A switch selects the Vintage (warmer) or Modern (brighter) voice.

Schematic

The schematic is in the post. Open it at Revolution Deux. No KiCad fragment has been drawn for this circuit yet.

Parts list 68 rows

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Ref	Value	Normalized	Type	Notes
Resistors 26
R1	1M	1M		read from the schematic by eye
R3	1K	1k		read from the schematic by eye
R2	470K	470k		read from the schematic by eye
R4	10K	10k		read from the schematic by eye
R5	470K	470k		read from the schematic by eye
R6	1K	1k		read from the schematic by eye
R7	10K	10k		read from the schematic by eye
R8	470K	470k		read from the schematic by eye
R9	1K	1k		read from the schematic by eye
R10	47K	47k		read from the schematic by eye
R11	100K	100k		read from the schematic by eye
R12	1K	1k		read from the schematic by eye
R13	10K	10k		read from the schematic by eye
R14	4.7K	4.7k		read from the schematic by eye
R15	1K	1k		read from the schematic by eye
R16	470K	470k		read from the schematic by eye
R17	470K	470k		read from the schematic by eye
R18	47K	47k		read from the schematic by eye
R19	47K	47k		read from the schematic by eye
R20	33K	33k		read from the schematic by eye
R21	33K	33k		read from the schematic by eye
R22	680K	680k		read from the schematic by eye
R23	10K	10k		read from the schematic by eye
R24	47	47		read from the schematic by eye
R25	10K	10k		bias divider; read from the schematic by eye
R26	10K	10k		bias divider; read from the schematic by eye
Capacitors 28
C2	220p	220p		read from the schematic by eye
C1	220n	220n		.22; read from the schematic by eye
C6	33n	33n		.033; read from the schematic by eye
C4	220n	220n		.22; read from the schematic by eye
C3	560p	560p		read from the schematic by eye
C5	1u	1u		read from the schematic by eye
C7	220p	220p		read from the schematic by eye
C8	220n	220n		.22; read from the schematic by eye
C9	1u	1u		read from the schematic by eye
C10	220p	220p		read from the schematic by eye
C11	1u	1u		read from the schematic by eye
C12	4.7n	4.7n		.0047; read from the schematic by eye
C15	47n	47n		.047; read from the schematic by eye
C13	47n	47n		.047; read from the schematic by eye
C14	100n	100n		.1; read from the schematic by eye
C16	1u	1u		read from the schematic by eye
C18	47n	47n		.047; read from the schematic by eye
C17	470p	470p		read from the schematic by eye
C19	1u	1u		read from the schematic by eye
C20	1n	1n		.001; read from the schematic by eye
C22	100n	100n		.1; read from the schematic by eye
C21	47n	47n		.047; read from the schematic by eye
C23	330p	330p		read from the schematic by eye
C24	1u	1u		read from the schematic by eye
C25	4.7n	4.7n		.0047, switched in by S1; read from the schematic by eye
C28	10n	10n		read from the schematic by eye
C26	100u	100u		electrolytic; read from the schematic by eye
C29	10u	10u		electrolytic; read from the schematic by eye
Diodes 6
D1	1N4148	1N4148		read from the schematic by eye
D2	1N4148	1N4148		read from the schematic by eye
D3	1N4148	1N4148		read from the schematic by eye
D4	1N4148	1N4148		read from the schematic by eye
D5	1N4148	1N4148		read from the schematic by eye
D6	1N4004	1N4004		read from the schematic by eye
ICs 2
IC1	TL074	TL074		read from the schematic by eye
IC2	TL072	TL072		read from the schematic by eye
Potentiometers 5
Gain	100K	100k	Potentiometer	P1; read from the schematic by eye
Treble	50K	50k	Potentiometer	P2; read from the schematic by eye
Bass	100K	100k	Potentiometer	P3; read from the schematic by eye
Mids	100K	100k	Potentiometer	P4; read from the schematic by eye
Volume	100K	100k	Potentiometer	P5; read from the schematic by eye
Switches 1
Vintage/Modern	SPST	SPST		S1; read from the schematic by eye

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