1.5W Audio power amplifier (12V)

  
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ICs have largely replaced circuits such as this, this circuit still finds use where the flexibility of a discrete device design is desirabe. Parts are easy to obtain and the problem of IC obsolescense is eliminated. The TIP31A can be heatsinked to a small metal heatsink, if desired.
1.5W Audio power amplifier (12V) - schematic




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