General Purpose 10 Watt Audio Amplifier Circuit

This circuit is a general purpose 10-W power audio amplifier for medium power amplifier or use a modulation in the AM transmitter. For higher power up to 30 W can be obtained by increasing the voltage and change the bias resistor value.

General Purpose 10 Watt Audio Amplifier Parts list :

R1,R2 : 470 ohm
R3,R4,R5 : 22k ohm
R7,R8 : 100 ohm
R9,R10 : 0.33 ohm
R11 : 4.7 ohm
VR1 : 250 ohm ( variable )
C1,C7 : 0.1uF
C2 : 0.01uF
C3 : 1uF/35V
C4 : 470uF
C5,C6 : 2200uF/35V
D1,D2,D3 : 1N4002
T1 : 2N3904
T2,T4 : TIP41A
T3 : 2N3055
T5 : MJE 2055
IC : 7812