Parts List: R1-2-4-5=270? R3 = 2.7? VR1 = 10K? Log. Pot. TR1 = 470K? Trimmer IC1-2 = LM388 C1 = 100uF/25V C2 = 100nF C3 […]


The following diagram is the circuit diagram of simple 4W audio amplifier based TDA1013B. The amplifier is based on integrated audio amplifier chip, TDA1013B which […]