Confused about Class A, Class B, and Class AB amplifiers?
This video makes it simple. Whether you’re new to hi-fi or refining your system, we’ll break down how each amplifier class works — what makes them sound different, and why some audiophiles still chase those big, hot Class A designs for that unmistakably smooth tone.
In this easy-to-follow guide, you’ll learn:
• The real difference between Class A, Class B, and Class AB amplifiers
• What “conduction angle” means — and how it shapes your sound
• Why Class A amps sound so pure (but waste so much energy)
• How Class B improved efficiency but introduced crossover distortion
• Why Class AB became the perfect balance of musicality and power
• How transistors handle the music signal — and why bias current matters
📺 Watch next:
👉 How Much Amplifier Power Do You Really Need?
https://youtu.be/aehIv9AeIEU
👉 Are You Reading Your Amp Specs Correctly?
https://youtu.be/ywoOZSYCgD0
Linked on your end screen and in the Hi-Fi Tech Explained playlist — your shortcut to understanding amps, DACs, and speaker matching without the confusion.
💬 Join the discussion:
Which amp class powers your setup — Class A warmth, Class AB punch, or something else? Comment below and share your experience.
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