15 Watt Amplifier

Posted on May 29, 2012

A 15 watt amplifier made using discrete components. Sergio designed this circuit for his Electronics Level II course.

15 Watt Amplifier
Click here to download the full size of the above Circuit.

This amplifier uses a dual 20 Volt power supply and delivers 15 watts RMS into an 8 ohm load. Q1 operates in common emitter, the input signal being passed to the bias chain consisting of Q8, Q9, D6, D13 and D14. Q8 and Q9 provide a constant current throug

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