Audio Amplifier 200-500W

 

Audio 200-500W Amplifier

Components

Resistors Capacitors Semicondutor
R1 = 5k6
R2 = 33k
R4 = 2k7
R5 = 33k
R8 = R9 = 100Ω
R12 = 150Ω
R13 = 27k
R14 = 1k5
R15 = 470Ω
R16 = 68Ω
R17 = 27k
R18 = 68Ω
R19 = 1k
R20 = 470Ω
R21 = R22 = 68Ω
R25 - R29 = R23 - R24

C1 = 220n (470n)
C2 = 1n (470p)
C3 = C4 = 22uF /25v
C5 = 10uF tantal
C6 = 100uF/63v
C7 = 100uF/63v
C8 = 100uF/63v

C9 = 100uF/63v
C10 = 15n
C11 = 100uF/10v
C12 = 100n
C13 = 33p
C14 = 100n/100v
C15 = 100n/100v

T1 = BD 140
T2 = MJE 15031*
T3 = MJE 15030*
T4 = MJE 15030*
T5 = MJE 15031*
T6 = BD 139
T7 – T12 = MJ 15003
TP1 = 470Ω
IC1 = TL 071
Z1 = Z2 =15v
D1 = D2 = DUS


Power Transistor R6,R7,R10,R11 R23 - R24 R3
200W 4x MJ 15003* 3k3/0,25w 0,27Ω/5W 820 Ω
300W 4x MJ 15003 4k7/0,25w 0,12 Ω/5W 680 Ω
400W 6x MJ 15003 5k6/0,25w 0,18 Ω/5W 560 Ω
500W 8x MJ 15003 5k6/0,25w 0,22 Ω/5W 470 Ω

Amplifier Power Supply

Amplifier power supply

Power / Out Impedance Transformer Power Transf Elect. Capacitor
200w/4 Ω 2x36v 300w 2x10.000uF/80v
300w/4 Ω 2x44v 400w 2x15.000uF/80v
400w/4 Ω 2x49v 550w 2x20.000uF/100v
500w/4 Ω 2x54v 650w 2x20.000uF/100v

PCB

This pcb isn't in real scale, be carefull

PCB for audio amplifier