qsc power amplifiers using NE5532, BC547B, BC557B, TIP42A, TIP41A
qsc power amplifiers using NE5532, BC547B, BC557B, TIP42A, TIP41A
qsc power amplifiers using NE5532, BC547B, BC557B, TIP42A, TIP41A
Parts:
P1 22K
P2 100K
R1 820R 1/4W
R2,R4,R8 4K7
R3 500R 1/2W
R5 82K 1/4W
R6, R7 47K 1/4W
R9 10R 1/2W
R10 R22 4W
C1, C8 470nF 63V
C2, C5 100uF 25V
C3, C4 470uF 25V
C6 47pF 63V
C7 10nF 63V
C9 100nF 63V
D1 1N4148
IC1 NE5532
Q1 BC547B
Q2 BC557B
Q3 TIP42A
Q4 TIP41A
J1 RCA
Power supply parts:
R11 1K5
C10, C11 4700uF 25V
D2 100V 4A Diode bridge
