This circuit TDA2822 total to the same extent your primary device. The Dual Amplifier IC before IC stereo increase by 40 dB. Bandwidth 120 kHZ. with the purpose of is regarding 2 watts and watt power supply of 1.8 to 15 volts and a current 6 mA no more than after using the power supply 9 volt into this circuit.VR1 and VR2 to adjust the suggest level of the best and not here, the pin 7 and pin 6 of IC1.The amplifier IC1 is outmoded of the output pin 1 and pin 3, through the C4 and C5 coupling signals to the absent and right speakers.The C6, R1 and C7, R2 is to reduce blast.
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| Mini Stereo Power Amplifier using TDA2822 Circuit Diagram |
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