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How do tube Watts compare to SS Watts?

I have Theil 2.2 speakers, which have a low sensitivity (86dB), but I would like to get an intergrated tube amp. Or even all tube. But I don't know how many tube Watts I'll need to drive the Theils. My guesstimate is @ 50wpc for intergrated tube amps, but that could be wildly off. Are their mathematical conversion formulas? Second, if there is a rough range, might you be kind enough to suggest a few worthy candidates that, wheather new or pre-listened, are under $1,000 USD (e.g., Cayin model xxx). Thank you most kindly.
rascal52240

Showing 2 responses by eldartford

eldartford
4,262 posts
 
Mathematical formula is as follows...
Tube watts = (SS watts) X 1
.
eldartford
4,262 posts
 
The sound level that can be produced by a tiny amount of power was made clear to me when my son hooked up a KLH5 low efficiency speaker to his clock radio. The KLH5 was a sealed 3-way system, and the clock radio was probably good for 500 milliwatts. I told him it wouldn't work, but it did, and surprisingly well.
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