200W MOSFET Audio Amplifier
Électronique / Electronic

It has a rated power output of 140W into 8W and 200W into 4 Ohm.

Frequency response is within 1dB from 20Hz to 80kHz.

Total harmonic distortion is rated at less than 0.1% up to full power and signal-to-noise ratio with respect to 200W is better than 100dB unweighted.

Power Supply



Bill Of Materials For 200W MOSFET Amplifier
28 Resistors
Quantity: References Value
2 R1, R12 33k
2 R2, R8 1k
1 R3 680R
2 R4, R5 0.5W 22k
2 R6, R7 4K7
5 R9, R10, R13, R23, R24 100R
1 R11 8K2
4 R14, R15, R18, R19 220R
4 R16, R17, R20, R21 5W 0R22
1 R22 1W 6R8
1 R25 330k
1 R26 82k
1 R27 1M
1 R28 10k
30 Capacitors
Quantity: References Value
1 C1 0.47uF
1 C2 0.001uF
8 C3, C7, C13, C15, C17-C19, C27 0.1uF
1 C4 47uF
1 C5 0.01uF
1 C6 10pF
1 C8 18pF
2 C9, C10 47pF
1 C12 0.022uF
3 C14, C16, C28 100uF
1 C20 1uF
4 C21, C22, C29, C30 0.22uF
4 C23-C26 4700uF
1 C31 6.8uF
14 Transistors
Quantity: References Value
5 Q1-Q4, Q14 BC556AP
2 Q5, Q6 MJE340
2 Q7, Q8 MJE350
2 Q9, Q10 ECX10N16
2 Q11, Q12 ECX10P16
1 Q13 BC546BP
7 Diodes
Quantity: References Value
2 D1, D2 1N4002
2 D3, D5 1N914
2 D4, D6 12V 0.5W 1N5242B
1 D7 24V 5W 1N5359BRL
8 Miscellaneous
Quantity: References Value
1 BR1 GBPC3502
1 BR2 2W01G
1 RV1 200R
1 RV2 10k








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