High Efficiency Speaker Asylum

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

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If you really want to hear what an amp like this can do

Posted by Ralph on April 13, 2017 at 12:46:38:
Then get a really efficient speaker! 103db 1 watt/1 meter will be about the minimum.

This is because with most SETs, if you push it past about 20% of full power, the odd and higher ordered harmonics start to show up.

The ear uses those harmonics to gauge how loud a sound is, so even though this can cause the amps to sound more dynamic, its not actually natural.

One of the big advantages of an SET is that the distortion becomes unmeasurable at lower powers. Distortion adds to harshness and obscures detail, so not having it is a good thing (where some of the 'magic' of SETs occurs). But to really experience that on a day in day out basis, you simply have to have a speaker that is efficient enough that you never push the amp hard.

So in the case of a 2A3 you really do need horns. I recommend 16 ohms too.