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When is a V8 a V6?

"A preamp with only minimal swing requirements could happily run Class A at numerous operating points along the load line"

So let's take a V8 motor and fill two cylinders on one side with concrete. Now it's a V6, right? It certainly meets the minimalist requirements some here are attempting to apply to amplifiers.

To your comment - no one is discounting a reasonable modification of the operating point as being included in the classification. But operating an AB1 power amp so it never goes to cutoff doesn't qualify. That's not reasonable. An amplifier must be operating near the midpoint of its curve to be Class A. That description is sometimes omitted for the sake of brevity, but it's just as important to the definition as any of the other requirements. Anyone who doesn't like this criteria is welcome to hold a séance and argue the point with those long-dead engineers.





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