Douglas B. Holmes

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Tutotial - Electronics

7 by 7 Watts 12 volt amplifier with tone control

This is a stereo amplifier with volume, pan, and tone control.  The design is based on a 12-volt car amplifier.  The circuit board can be wired using perforated board and bare wire for traces.  It was designed as a final project option for Electronic III class.

Top view showing volume, low shelf, peak notch, and height self potentiometers
Side view showing aux input and pan potentiometer
Under view showing bare brass wire used a traces and soldering
Line drawing, schematics, PCB, and parts list