Bipolar transistor stereo amplifier from Ampletos

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STD Bipolar transistor stereo amplifier from Ampletos

Audio

License: Public Domain

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Update time： 2023-02-19 13:19:31

Creation time： 2019-09-09 06:28:44

Description

This audio amplifier uses bipolar transistors 2SC5200 and 2SA1943 (2 pairs for each channel) to deliver 2x200W RMS. Is a project developed by Ampletos.

Design Drawing

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Schematic Bipolar transistor amplifier
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Bipolar transistor amplifier
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	6800uF	C01,C02,C03,C04	CAP-LS-D30.0XF10.0	4
2	2.2uF	C100,C200	RAD-0.2	2
3	47uF	C101,C201	CAP-D6.3XF2.5	2
4	330pF	C102,C202	100N	2
5	100n	C103,C104,C105,C203,C204,C205	100N	6
6	1N4004	D100,D101,D102,D103,D104,D200,D201,D202,D203,D204	DO41-10	10
7	IN GND	INL,INR	CONN-TH_2P-P5.00_WJ128V-5.0-2P	2
8	4uH+10	LR1,LR2	ZOBEL NETWORK COIL	2
9	GND OUT	OUTL,OUTR	CONN-TH_2P-P5.00_WJ128V-5.0-2P	2
10	A1015	Q100,Q101,Q102,Q200,Q201,Q202	TO-92-3_L4.8-W3.7-P2.54-L	6
11	MJE15032G	Q103,Q106,Q203,Q206	TO-220-3_L10.0-W4.5-P2.54-T	4
12	MJE15033G	Q104,Q105,Q204,Q205	TO-220-3_L10.0-W4.5-P2.54-T	4
13	2SC5200	Q107,Q108,Q207,Q208	2-21F1A	4
14	2SA1943	Q109,Q110,Q209,Q210	2-21F1A	4
15	10k	R100,R200	RES-TH_D1.00-L6.50-W2.40-PITCH10.00	2
16	18k	R101,R106,R201,R206	RES-TH_D1.00-L6.50-W2.40-PITCH10.00	4
17	820	R102,R202	RES-TH_D1.00-L6.50-W2.40-PITCH10.00	2
18	270	R103,R203	RES-TH_D1.00-L6.50-W2.40-PITCH10.00	2
19	330	R104,R204	RES-TH_D1.00-L6.50-W2.40-PITCH10.00	2
20	1k	R105,R205	RES-TH_D1.00-L6.50-W2.40-PITCH10.00	2
21	56	R107,R207	RES-TH_D1.00-L6.50-W2.40-PITCH10.00	2
22	27	R108,R208	AXIAL-0.4	2
23	6.8	R109,R110,R209,R210	AXIAL-0.4	4
24	100	R111,R112,R211,R212	AXIAL-0.4	4
25	0.47	R113,R114,R115,R116,R213,R214,R215,R216	AXIAL-1.2	8
26	10	R117,R217	AXIAL-0.4	2
27	+65 TAP -65	VCC	WJ301V-5.00-3P	1