High Efficiency Speaker Asylum

Need speakers that can rock with just one watt? You found da place.

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really? do the math (it's easy!)

Posted by mhardy6647 on February 23, 2017 at 07:46:04:
if the loudspeaker's got a sensitivity of 100 dB, and you're listening at 80 dB, the amount of amplifier power you're requiring is something like 10 milliwatts.
How will that ARC amplifier sound at 10 mW output compared to, say, a single-ended 2A3 amplifier at 10 mW output? Best tested empirically (i.e., using your own ears). It might be fine. It might not. Only one way to find out.
This is the same point - I think! - that the post by KanedaK was making.