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20 W Amplifier Using the TDA2020 (CB437)

Powered from 20 V dual power supply this circuit sources 20 W to a 4 ohm loudspeaker. The IC is not common today, but if the reader find one, the project will result in a high quality amplifier. The IC must be mounted on a large heatsink.

 

20 W Amplifier Using the TDA2020
20 W Amplifier Using the TDA2020