30W, 20V Symmetrical, 2N3055 Audio Amplifier
Électronique / Electronic

Bill Of Materials For 30 watts, 20V Audio amplifier
14 Resistors 1/4W
Quantity: References Value
1 R1 47k
1 R2 4K7
1 R3 10k
1 R4 8K2
1 R5 1/2W 150R
1 R6 1/2W 220
1 R7 2K7
2 R8, R14 1W 2K2
4 R9 1W, R10 1W, R11 1W, R12 1W 0R1
1 R13 1W 220R
7 Capacitors
Quantity: References Value
1 C1 2.2uF
1 C2 330P
2 C3, C4 470uF
3 C5-C7 100uF
9 Transistors
Quantity: References Value
2 Q1, Q3 BD139
3 Q1A, Q2, Q2A 2N3055
3 Q4-Q6 BC212
1 Q7 TIP41
1 Diodes
Quantity: References Value
1 D100 1N4007
6 Miscellaneous
Quantity: References Value
2 BAT1, BAT2 20V
1 DZ 18V 0.5W 1N5248B
1 LS1 SPEAKER
1 RV1 2k
1 RV2 500R

 

 

 

 

 

 

 

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