#1
yeah i think i was the only guy in my music class who realised that the amp at the back of the room was a valve amp. so i turned it to 'on standby' and left it there for a min or two. then started playing.

now if i just turned it on and put a signal through without heating up the valves what could happen?
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#3
Yeah its not a big deal, just wears out the tubes a little bit faster.
And since its not your amp, don't worry about it
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#4
Have had the same tubes in my valve amp for 10 years, it doesnt have a standby, has been played into with no speaker connected, before warmed up, still works fine
#5
Quote by 1337void
Have had the same tubes in my valve amp for 10 years, it doesnt have a standby, has been played into with no speaker connected, before warmed up, still works fine


What amp?

And TS: Shouldn't hurt if you don't use the standby switch, but it'll wear out the tubes faster. I always use the standby on my amp.
#6
Quote by 1337void
Have had the same tubes in my valve amp for 10 years, it doesnt have a standby, has been played into with no speaker connected, before warmed up, still works fine

Thats because class A amps don't need a standby.
AL