This is a homemade audio amplifier circuit diagram. In this circuit, we can use any type of transistor. Any PNP or NPN transistor can be used here. One is a positive transistor others one is a negative transistor. Positive, negative, and ground voltage used here. A single-pair transistor can make a maximum of 150 watts of output.

Basic Specification for 2N3055
- The transistor type is an NPN Power Transistor
- Transistor Collector-Emitter Voltage (Vceo): 60V
- Transistor Emitter-Base Voltage (Vebo): 5V
- Transistor Collector Current (Ic): 15A
- The Power Dissipation (Pc): 150W
- The transistor Gain (hFE): 20 – 70
Basic Specification for MJ2955
- The transistor type is a PNP Power Transistor
- Transistor Collector-Emitter Voltage (Vceo): 60V
- Transistor Emitter-Base Voltage (Vebo): 5V
- Transistor Collector Current (Ic): 15A
- The Power Dissipation (Pc): 150W
- The transistor Gain (hFE): 20-70

T3+T5+T6=A940, T4+T7+T8+T9=C2073. C1+C2+C6+C8=100uf/100v. R1=100/1w. R2+R4=0.22/5w. R3+R16=4.7/1w. R6+R8+R15+R19=330/1w. R7+R21=56k/1w. R10+R12=4.7k/1w. R13+R17+R20=1k/1w. R14=2.2k/1w. R18=15k/1w. R11=68/1w. R5+R9=680/2w. Z1+Z2= 1N4148. P1=0.1/150v. P2=102pf. P3=47pf. P4=471pf.

Build a Transformer or construct the transformer. Home Theater Circuit Diagram 5.1
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Electronics Help Care Amplifier circuit diagram