Haytham-Sief
Member level 2
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I'm working on a project including an audio circuit, The circuit consists of two stages: The 1st is a voltage amplifier using BJT tansistor, The 2nd is also voltage amplifier using op-amp. The output is only heard when it is connected on speakers with external electrical source( like computers speakers) but when it's connected directly to walkman speaker the sound is very very weak. Plzz I need a solution for such problem. Also if any one can tell me how to use the TDA2822M IC on the output of such circuit.