In article ,
Phil Allison wrote:
24 x 90 hours is long enough to wear out some output valves out when
operating in class A as do most hi-fi amps including all SET amps.

Going back to valve days, plenty equipment in the BBC was on 24/7.
Including power amps.

Do you really think they'd have been happy changing output valves every
few months?

Sounds like all you've known is crap design valve amps. Nothing new there.

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*WOULD A FLY WITHOUT WINGS BE CALLED A WALK?

Dave Plowman London SW
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