There is a circuit of audio amplifer 80W as well, using IC TDA 2005 as a base circuit amplifier. The circuit of 2x40 Watt Audio Power Amplifier using TDA2005 can you see in the picture below.

Technical Data:

Performance of TDA2005M: 2 x 40 watts (stereo) into 4 Ohms.

Distortion: Approx. 0.2% at 4 Watts into 4 ohm load.Frequency Range: Approx. 20 Hz to 22 KHz.

Input Sensitivity: Approx. maximum 150 mV rms. .

Power supply: + 8 to 18 volts, approx. 3.5 Amps maximum per channel.

PCB board please..

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