Better amplifiers include dedicated circuits to protect against short circuits, overheating, and DC offsets. Modern Trends in 2026
The "front end" that accepts the weak input signal and provides the necessary voltage gain. Designing Audio Power Amplifiers
For those looking to dive deeper, authoritative texts like Bob Cordell's Designing Audio Power Amplifiers provide an invaluable "mine of information". For practical testing, using simulation software like can help you refine your circuit before building. Bob Cordell's QA403 Tutorial - QA40x Designing Audio Power Amplifiers