This circuit is suggested by Sanyo and is based on the integrated circuit LA4430, manufactured by it. With a power of 4.5W it can serve as a basis for car radios or sound reinforcing systems. The standby current is 50mA and the maximum output current is 2.25A. The integrated circuit must be mounted on a heat exchanger. The voltage gain of the circuit is 50dB and the input impedance is 20k ohms. The harmonic distortion rate is 0.3%.
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