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> Class ab audio power amplifier trainer build +learn K48
Class ab audio power amplifier trainer build +learn K48
Class AB Audio Amplifier Trainer
Using amplifier IC's and modules is modern, quick and easy but it teaches nothing about how they work.
Here is a Class AB amplifier made from discrete components which will deliver several watts of power into an 8 ohm speaker. Gives hands-on learning about cross-over distortion, bootstrapping, complementary pairs, and push-pull. Detailed explanations given.
Can experiment with using higher power output devices.
If using higher voltages, be sure to replace any lower voltage part with one having a sufficient voltage rating (el caps, transistors), and re-adjust quiescent current.
Photo has 2 components removed, to allow better view.
