Bill Of Materials

Audio Board

Two audio boards are required per build. The following BOM are the parts required to populate one audio board.

Quantity	Reference	Value	Description
12	CBP1, CBP2, CBP4, CBP5, CBP6, CBP7, CBP9, CBP12, CBP13, CBP14, CBP15, CBP18	100nF	2.5mm pitch ceramic
6	C9, C10, C20, C21, C22, C28	22pF	2.5mm NPO/C0G
1	C29	33pF	Non-audio
1	C1	22pF	Silver Mica
2	C23, C25	1N5	Poly 5mm 50-63V
1	C19	4n7
1	C16	15n
1	C27	22n
1	C14	47n
2	C18, C26	68n
2	C12, C15	150n
1	C11	0.22u
2	C5, C7	1u
4	C13, C17, C34, C35	220u	electrolyte, low esr, 2.5mm, 8mm diameter, 25V
3	C3, C4, C24, C2, C6	47uF	Audio grade electrolytic, 3mm 25-50V
2	C2, C6	47uf	6.5mm diameter max
1	C32	10uF
5	R1, R16, R23, R44, R47	10R	1/4W 1%
1	R30	33R
1	R46	49R90
1	R5	68R
2	R87, R98	160R
1	R45	750R
1	R100	909R
2	R22, R29	1K
1	R21	3K3
2	R42, RV1	5K1
2	R24, R19	5K6
1	R27	6K8
2	R20, R35	10K
2	R25, R32	12K
1	R28	13K
1	R31	15K
6	R3, R8, R17, R26, R41, R43	20K
2	R38, R18	33K
1	R14	47K
1	R15	100K
2	R2, R26	150K
2	R7, R37	1M
1	U$7	THAT2181C
1	IC11	NE5532
1	IC1	THAT1246
1	IC8	THAT1646
1	IC10	TL072
1	IC3	TL074
5	D2, D3, D4, D5, D6	1N4148
1	D1	1N4007
1	SYM	50K	Trimpot
2	BYP1, BYP2	12V Relay DIP-16	MT2-C93402
4	R4, R39, fb	Ferrite bead

Control Boards