250mW audio amplifier

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Notes.

  • The circuit can be powered from 9V DC.
  • Assemble the circuit on a Vero board.
  • K1 can be an 8 Ohm speaker.
  • For better performance, properly decouple the input and output grounds.
  • POT R5 can be used for adjusting volume.

250mW audio amplifier​

 
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