125B · 2 knobs

Touchstone

Based on the EHX Small Clone· 1 other board clones it

Schematic

The schematic is in the vendor's build document, page 12. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Ref	Value	Normalized	Type
Resistors 34
R1	1M	1M
R23	20k	20k
R2	220k	220k
R24	180k	180k
R3	1k	1k
R25	68k	68k
R4	6k8	6.8k
R26	47k	47k
R5	33k	33k
R27	120k	120k
R6	22k	22k
R28	470k	470k
R7	10k	10k
R29	82k	82k
R8	33k	33k
R30	39k	39k
R9	6k8	6.8k
R31	10k	10k
R10	1k	1k
R32	47R	47
R11	100k	100k
R33	56k	56k
R12	3k3	3.3k
R34	56k	56k
R13	10k	10k
R14	10k	10k
R15	12k	12k
R16	33k	33k
R17	39k	39k
R18	10k	10k
R19	39k	39k
R20	39k	39k
R21	10k	10k
R22	220k	220k
Capacitors 22
C1	33n	33n
C2	10n	10n
C3	10n	10n
C4	1uF	1u
C5	1uF	1u
C6	3n3	3.3n
C7	15n	15n
C8	470pF	470p
C9	4n7	4.7n
C10	2n7	2.7n
C11	180pF	180p
C12	1uF	1u
C13	2u2	2.2u
C14	47n	47n
C15	150pF	150p
C16	10uF	10u
C17	47n	47n
C18	10uF	10u
C19	10uF	10u
C20	100uF	100u
C21	100n	100n
C22	22uF	22u
Diodes 3
D1	1n914	1N914
D2	1n914	1N914
D3	1N4001	1N4001
Transistors 3
Q1	2N5087	2N5087
Q2	2N5088	2N5088
Q3	2N5088	2N5088
ICs 4
IC1	4558	4558
IC2	MN3007	MN3007
IC3	CD4047BE	CD4047BE
IC4	LM358	LM358
Potentiometers 2
DEPTH	10KB	B10k	Potentiometer
RATE	1MC	C1M	Potentiometer