Power 400 Watts Hi Fi High End Audio Power Amplifier.pdf

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Power 400 waats hi fi high end audio
power amplifier
P400 caracteristic
Sinus power:
Load impedance:
Frequency ranges:
Frequency range:
Damping factor:
Input impedance:
Power supply:
Power consumption:
382W (per chanal 8Ω load
impedance)
2-16Ω
5-100000Hz
10-40000Hz (-1dB)
>150
60KΩ
±
68V DC
10-450W
Protection characteristic
Impendance:
DC time detection:
DC detection:
Wait interval:
Power supply:
2 x 47KΩ
200ms
1V
5s
24V DC
Schematic diagram of amplifier
Layout of main board
Schematic diagram of speaker protection and anticlick circuit
Layout of protection
Suitable power source for amplifier
Components
P400 MAIN BOARD
RESISTORS
0
0.39
4.7
10
100 (10K
)*
130
150
220
270
330
1K
1K
1K5
2K2
5K6
10K
33K
100K
4W
1/4W
1/4W
1/4W
4
4
3
2
3
R10, R11, R14, R15
R33, R34, R39, R40
R31, R32, RPP2
R41, R42
R2, R4, R5
1/4W
1/4W
1/4W
1/4W
1/4W
1/8W
1/8W
1/8W
1/8W
1/8W
1/8W
1/8W
1/8W
2
3
3
4
2
1
2
4
1
1
1
2
2
R27, R29
R18, R24, R26
R28, R30, RPP1
R35, R36, R37, R38
R19, R25
R22
R3, R21
R8, R9, R16, R17
R20
R23
R1
R12, R13
R6, R7
CAPACITORS
-
15p
50p
200p
.04u
160V
160V
160V
160V
2
1
2
2
1
C7, C8
C6
C2, C3
C13, C14
C4
0.1u
1u
100u
COILS
2.2uH
160V
16V
35V
1
1
1
C9
C1
C5
1
L
SEMICONDUCTORS
BA157
2N5401
2N5550
BC546
BC556
TIP41C
TIP42C
MJ15003
MJ15004
TO-39
TO-39
TO-39
TO-39
TO-220
TO-220
TO-3
TO-3
2
3
3
2
1
1
1
2
2
D1, D2
Q3, Q4, Q5
Q1, Q2, Q7
Q6, Q8
Q9
Q10
Q11
Q13
Q15
SPEAKER PROTECTION
RESISTORS
-
-
470
1k
2k2
8k2
1
1
1
2
1
1
R10
RSTAB
R8
R4,R9
RLED
R7

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