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optodist 1.2 TH — an upgrade that is same gain regardless of lim. on or off | Open App Note

ryomodular-com-optodist-ii

LjungrennAudio

an upgrade that is same gain regardless of lim. on or off

Components (24)

Reference	Value	Description
IC1,IC2	TL072
Q1	BC557B
Q2	BC547B
C2,C9	100pF
C3-C6,C10,C11	100nF
C7,C8	10uF
CV0,IN0,OUT0	ERTHENVAR_3.5MM_JACKHOLES
D1,D4-D7	LED3MM
D2,D3	SB130
LDR1,LDR2	SR2/SR3
POT1	B100K
POT2	B22K/B25K
POT3	A100K
POWER0	CON10L
R1,R9	68K
R2	100K
R3	100R
R4	4.7M
R5,R10	1K
R6	27K
R11,R12	10R
R13,R14	22K
SW1	ON-OFF
TRIM1	2K

ryomodular-com-optodist-ii schematic

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ryomodular-com-optodist-ii board