Enclosure not stated · 4 knobs

DisDis Distortion

Based on the MXR Distortion II· 3 other boards clone it

From the vendor

The DisDis is a true bypass clone of the MXR Distortion II that was manufactured between 1978 and

1984. It used a transformer and ran at 15v. We substitute a charge pump for 18v operation…

Click this link for Bill of Materials

Click pdf icon for the rest of the build documentation. 🙂

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

Ref	Value	Normalized	Type
Resistors 23
R1	1k	1k
R2	1M	1M
R3	4k7	4.7k
R4	240k	240k
R5	2k	2k
R6	36k	36k
R7	75k	75k
R8	300k	300k
R9	36k	36k
R10	3k	3k
R11	300k	300k
R12	75k	75k
R13	10k	10k
R14	1M	1M
R15	10k	10k
R16	10k	10k
R17	10k	10k
R18	470R	470
R19	100k	100k
R20	47R	47
R21	470k	470k
R22	470k	470k
R23	2M2	2.2M
Capacitors 20
C1	100n	100n
C2	10u	10u
C3	1u	1u	FILM
C4	20pF	20p
C5	22n	22n
C6	10u	10u
C7	22n	22n
C8	50pF	50p
C9	1u	1u	FILM
C10	22n	22n
C11	22n	22n
C12	33n	33n
C13	33n	33n
C14	1n	1n
C15	1u	1u	FILM
C16	10u	10u
C17	220u	220u
C18	10u	10u
C20	10u	10u
C21	100u	100u
Diodes 7
D1	1n914	1N914
D2	1n914	1N914
D3	1n914	1N914
D4	1n914	1N914
D5	1n4002	1N4002
D6	1n5817	1N5817
D7	1n5817	1N5817
ICs 5
IC1	JRC4558	JRC4558
IC2	TL072	TL072
IC3	TL072	TL072
IC4	TL072	TL072
IC5	LT1054 *	LT1054
Potentiometers 4
DRIVE	50KB	B50k
FILTER	100KA	A100k
RES	50KB	B50k
LEVEL	50KA	A50k