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Since you have a burr under your saddle

-why not do proper research on the topic?

I've measured AB amps on the bench. If they are improperly biased and running class B as a result, the crossover artifact is easily seen on the scope and the output level isn't very important. Its also (as you know) easily heard.

So I think we can assume this amp doesn't have that particular problem- users haven't reported it anyway...

So its either AB or Topping figured out a way to get around the problem. And there's evidence for the latter- Topping mentions the amp uses a 'module' of their own design and research. Clearly getting a lot of feedback and a microcontroller to prevent damage is part of it, but is that all? Could it be that they also figured a way to not have expensive heatsinks (which we've established they don't)? What could that way possibly be??


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