500W Audio Amplifier

Ongoing

STD 500W Audio Amplifier

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Editors' pick

Update time： 2020-06-04 07:10:50

Creation time： 2020-04-15 10:52:20

Description

500W Audio Amplifier - Just exercising my CAD skils - a work in progress! Recommend Airlink CM0750255 Toriodal or similar.

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	6K8 1W	R7	R_AXIAL-0.6_MG	1
2	22K 1W	R14,R16,R15,R17	R_AXIAL-0.6_MG	4
3	4.7 5W	R42	R_AXIAL-1.0_MG	1
4	MJL21194	Q13,Q15,Q17,Q19,Q21,Q23,Q25	TO-264_MG	7
5	2N5401	Q2,Q1	TO-92-3_MG	2
6	5401	Q3,Q4	TO-92-3_MG	2
7	47	R10,R3,R5,R9,R40,R41	AXIAL-0.4_MG	6
8	100	R4,R11,R6,R23,R24,R19	AXIAL-0.4_MG	6
9	15K	R1	AXIAL-0.4_MG	1
10	1K	R2	AXIAL-0.4_MG	1
11	33	R21,R22	AXIAL-0.4_MG	2
12	330	R12	AXIAL-0.4_MG	1
13	470	R20	AXIAL-0.4_MG	1
14	15K 1W	R13	R_AXIAL-0.6_MG	1
15	180	R25	AXIAL-0.4_MG	1
16	10	R8	AXIAL-0.4_MG	1
17	NF	R26,R27	AXIAL-0.4_MG	2
18	0	R43	AXIAL-0.4_MG	1
19	MJL21193	Q16,Q18,Q20,Q22,Q24,Q26,Q14	TO-264_MG	7
20	10A	F1,F2	FUSE_HOLDER_5X20MM_MG	2
21	IN+	IN+	HDR1X1_MG	1
22	IN-	IN-	HDR1X1_MG	1
23	OUT+	OUT+	HDR1X1_MG	1
24	OUT-	OUT-	HDR1X1_MG	1
25	+80V	+80V	HDR1X1_MG	1
26	-80V	-80V	HDR1X1_MG	1
27	GND	GND2,GND1	HDR1X1_MG	2
28	BC546C	Q5,Q6,Q12	TO-92-3_MG	3
29	HeatSink	H1	HEATSINK_300X100_MG	1
30	2u2F	C1	CAP-D5.0×F2.0_MG	1
31	100uF	C3	CAP-D5.0×F2.0_MG	1
32	100uF	C7,C9,C10,C11,C18,C19	CAP-D10.0×F5.0_MG	6
33	15mF80V	C20,C21,C22,C23	CAP-D50.0×F50.0_MG	4
34	BC556C	Q7,Q8	TO-92-3_MG	2
35	1nF	C2	RAD-0.2_MG	1
36	0.1uF	C4,C5,C6,C12,C13,C14,C16,C15,C17	RAD-0.2_MG	9
37	0.15uF	C24	CAP_RAD_0.8_MG	1
38	82pF	C8	RAD-0.2_MG	1
39	MJE350	Q9,Q10	TO-126_MG	2
40	5.6uH	L1	CHOKE_MG	1
41	1N4007	D1,D2	DO-41_MG	2
42	MJE340	Q11	TO-126_MG	1
43	200	R18	RES-ADJ_MG	1
44	0.1 5W	R28,R30,R32,R34,R36,R38,R29,R31,R33,R35,R37,R39	R_AXIAL-1.0_MG	12
45	1N4728	D4	DO-41_BD2.4-L4.7-P8.70-D0.9-RD	1