Unique amplifier circuit schmeatic based on IC TDA7255
This circuit equipped with 2 switches that are useful for loudness and filtering, on SW1 as the loudness , SW2 as a filter. It also equipped with direct adjust of sound on Potentiometer 10k , but only useful as a master volume. Minimum Voltage : 8 volts Maximum Voltage : 18 volts Maximum Power : 2 X 13 Watt stereo Impedance Power : 4 Ohms