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
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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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