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Update time： 2020-10-06 19:22:12

Creation time： 2019-05-15 07:11:43

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Design Drawing

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BOM

ID	Name	Designator	Footprint	Quantity
1	circle small	IN1,OUT1	NONE	2
2	1M	R1	AXIAL-0.3	1
3	22n	C1	RAD-0.2	1
4	1k	R28,R7,R9,R11	AXIAL-0.3	4
5	470k	R2,R21	AXIAL-0.3	2
6	G1	U3	NONE	1
7	VB	U1,U5,U6,U7,U9,U11,U12,U13,U15	NONE	9
8	2N5088	Q1,Q2	TO-92(TO-92-3)	2
9	+9V	U2,U8,U10,U14,U16	NONE	5
10	1uF	C2	RAD-0.2	1
11	10k	R3,R4,R5,R8,R15,R20,R22,R26,R25	AXIAL-0.3	9
12	G2	U4	NONE	1
13	JRC455B	IC1A	NONE	1
14	51pf	C3	RAD-0.2	1
15	1N4448	D1,D2	DO-35	2
16	4k7	R6,R17,R18	AXIAL-0.3	3
17	47n	C4	RAD-0.2	1
18	1MB	GAIN	ALPS_POT_KIT	1
19	220n	C5,C6	RAD-0.2	2
20	19k	R10	AXIAL-0.3	1
21	220R	R12	AXIAL-0.3	1
22	JRC4558	IC1B	MSOP-8_3X3MM_PITCH0.65MM	1
23	4n7	C7,C12	RAD-0.2	2
24	100n	C8,C15	RAD-0.2	2
25	TL072	IC2A	NONE	1
26	151pf	C9	RAD-0.2	1
27	47k	R16	AXIAL-0.3	1
28	50kB	BASS,TREB	ALPS_POT_KIT	2
29	33n	C10,C11	RAD-0.2	2
30	33k	R19	AXIAL-0.3	1
31	TL072	IC2B	MSOP-8_3X3MM_PITCH0.65MM	1
32	10uF	C14,C16,C18,C17	CAP-D3.0XF1.5	4
33	100kB	VOL	ALPS_POT_KIT	1
34	47R	R23	AXIAL-0.3	1
35	100k	R24	AXIAL-0.3	1
36	1n4005	D3	DO-35	1