How to repair Audio Amplifiers

A look at how they work and how to repair them. This process will be used to check and repair some Amps in later videos. Repairing a 1970s Peak KA-200    • Peak KA-200 Amplifier Diagnosis and Repair   Teac A505    • Teac A 505 Amplifier diagnosis and repair.   Rotel RA-971MKII    • Rotel RA-971MKII Amplifier Repair