SET Asylum

Single Ended Triodes (SETs), the ultimate tube lovers dream.

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With that sort of efficiency you'll want 30 watts at least.

Posted by Ralph on October 21, 2020 at 09:54:37:
My speakers are a similar efficiency and 30 watts works pretty well in most rooms as long as its clean power. There isn't a 30-watt SET that would do the job; SETs of that sort of power output tend to have poor bandwidth due to output transformer limitations.

One thing to keep in mind is that with SETs you really don't want to be driving them to full power if you want to really hear the best out of the amps! At higher power levels SETs make higher ordered harmonics which show up on the transients, causing them to sound 'dynamic'. But this is because the ear uses the higher ordered harmonics to sense sound pressure, so this is distortion masquerading as 'dynamics'. With a more efficient speaker this does not happen. But because of the ear's logarithmic character, to make the kind of power you'll need past 2 watts, 30 is a good place to start.