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Explain Class A amp to non audiophile friends

How do I explain a Class A amplifier and a Class A/B amplifier to my non audiophile friends? I tried by saying a Class-A amplifier power devices are conducting a continuous current meaning they are always on. They did not understand and maybe neither do I.

Can someone please explain how a Class A amplifier works vs a Class A/B amp in non technical terms so I can explain it to my friends.
hgeifman

Showing 2 responses by charles1dad

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charles1dad
10,250 posts
 
Is the crossover distortion of class AB amplifiers actually audible?
charles1dad's avatar
charles1dad
10,250 posts
 
Thanks Atmasphere,
It would seem(at least in theory) that class A operation although much less efficient is a more pure and less 'altered' form of signal propagation.Implimentation probably has much to do with the final sound quality when comparing class A vs class AB.
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