Schematic diagram of a simple 7 watt audio amplifier using TDA2003 Amplifier IC. This is a good IC with many built in features like low harmonic distortion, short circuit protection,thermal overload protection etc. This IC is a upgrade version of TDA 2002 amplifier IC. The circuit is small and using
only few components and it is able to deliver 7w output on 12V DC. Assamble the circuit on PCB or veroboard and use heatsink with IC. Input voltage can be between 8 to 18 volt / 0.5A DC.
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