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400W RMS Stereo Power Amplifier

4 months ago 79
  • Description
  • Documents
  • BOM
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Description

This is the schematic diagram of 400W RMS stereo power amplifier which use power transistor to work. This amplifier in addition to providing good sound power, also with excellent quality and a high fidelity with low noise, to obtain the 400 watts we can put 2 speakers of 4 Ohms or 4 of 8 Ohms. The circuit require symmetrical power supply.

Documents

Sheet_1

400watt RMS Stereo Amp

BOM

ID Name Designator Footprint Quantity
1 left/right I/P WJ2EDGVC-5.08-3P 1
2 left/right SPEAKERS WJ2EDGVC-5.08-4P 1
3 18k R1,R2,R30,R31 AXIAL-0.3 4
4 A1015 Q1,Q2,Q3,Q4,Q5,Q6 TO-92(TO-92-3) 6
5 1N4007RLG D1,D2,D3,D4,D5,D6,D7,D8,D9,D10 DO-41 10
6 270 ohms R3,R5 AXIAL-0.3 2
7 10k R4,R6,R13 AXIAL-0.3 3
8 TIP42 Q7,Q8,Q9,Q10 TO-220 4
9 330pF C1,C2 CAP-D3.0XF1.5 2
10 820 ohm R7,R8 AXIAL-0.3 2
11 27 ohm R9,R10 AXIAL-0.3 2
12 104 C3,C4,C5,C6 CAP-D3.0XF1.5 4
13 56 ohm R11,R12 AXIAL-0.3 2
14 TIP41 Q11,Q12,Q13,Q14 TO-220 4
15 6.8 ohm R14,R15,R16,R17 AXIAL-0.3 4
16 100 ohm R18,R19,R20,R21 AXIAL-0.3 4
17 0.47k R22,R23,R24,R25,R26,R27,R28 AXIAL-0.3 7
18 0.47 R29 AXIAL-0.3 1
19 10 ohm R32,R33,R34,R35 AXIAL-0.3 4
20 power i/p POWER WJ2EDGVC-5.08-4P 1
21 2SD1047 Q23,Q24,Q25,Q26,Q27,Q28,Q29,Q30 TO-92_3PIN-L4.95-W3.94-PITCH2.54-L 8

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