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In Reply to: Tube/Valve Lifespan posted by Duster on December 10, 2020 at 16:38:20:
My experience is 5000 hours for small signal, and 2000 hours for power amp tubes.
Some PQ small signal can go 10000 hours.
Some will fail much sooner, it's a mater of luck and amp design IMO.
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- RE: Tube/Valve Lifespan - GreatSound 00:51:27 12/13/20 (0)