Class A, Class AB, and Class D amplifiers all claim to deliver “great sound”—but they don’t sound the same. In this video, we expose the real differences between amplifier classes, cutting through marketing hype to explain what actually matters for sound quality, heat, efficiency, and long-term listening enjoyment. If you’ve ever wondered: • Why Class A amps sound “magical” but run insanely hot • Why most high-end integrated amps are Class AB • Why Class D amps divide audiophile opinions …this v

18 Lessons to Teach the Science of Sound | Science Buddies Blog