The following circuit is a 18W audio amplifier based on HA13118 which is designed for car audio system. You may use this circuit for home audio sound system.
Resistors :
R1, R2 = 2R2 ohm
Capacitors :
C1, C2, C4, C5, C6 = 100uF/16V
C3 = 10uF/16V
C7, C8, C12 = 100nF
C9 = 2,200uF/25V
C10 = 1uF/50V
C11 = 100pF
Misc.
I.C. = HA13118
Heatsink
About HA13118:
The HA13118 is a power IC which is designed for component car stereo amplifiers. At 13.2 V to 4 ? load, this power IC provides an output power of 18W with 10% distortion.
HA13118 Features:
- Small outline package, easy to mount
- Internal each protection circuits
- Surge protection circuit
—– Thermal shut-down circuit
—– Ground fault protection circuit
—– Power supply fault protection circuit
Download the complete explanation about 18W Audio Amplifier circuit HERE
Download HA13118 datasheet HERE
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