Why does my 35 watt tube amp draw 300 watts of power

Hi,

I have a Prima Luna Prologue 1 (tube amp). Love it.

Always been curious though. It draws 300 watts of power, yet is rated at 35 watts / channel. Is it really so inefficient that it is losing 230 watts to heat?

~Jim

jimspov05-18-2016 1:23am

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cleeds Details Discussions Posts This discussion Message User 2,065 posts 05-18-2016 at 01:35am Copy Comment URL Report Comment Edit Delete In a word: Yes.
charles1dad Details Discussions Posts This discussion Message User 6,996 posts 05-18-2016 at 03:07am Copy Comment URL Report Comment Edit Delete Hi Jimspov, I have an 8 watt SET amplifier (class A ) that draws 180 watts. The sound quality is sublime and it is the best sounding amplifier I've owned. In my opinion the inefficiency is a small concession for consistently wonderful listening sessions. The bottom line is that you love the sound of your amplifier and that's a good thing. Charles,
mapman Details Discussions Posts This discussion Message User 15,679 posts 05-18-2016 at 01:17pm Copy Comment URL Report Comment Edit Delete That's basically it.

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