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When do you turn off the tubes?

Having had recent surgery and spending a lot of time at home, I was wondering how long a break from music do you feel you need to be taking before turning off your tube amplifier.I could leave it on all day even when not listening but that would be 12+hours/day.While my PrimaLuna Dialogue HP is gentle on tubes, the thought of retubing 8 KT150s is an expensive prospect.I usually turn the amplifier off if I am not going to listen for around 3 hours.What do other people do?

crwindy
elizabeth
6,726 posts
 
I would think haw many hours a day you listen also matters.  
Being retired I listen to music somewhere around 10 to 14 hours a day, every day. For folks still working (not from home) that is impossible. Some folks travel for work, and so have maybe only one day every few weeks to enjoy the stereo/music.
ebm
5,165 posts
 
When your not listening.Wow that was a tough one.
chrisoshea
116 posts
 
1. turn on 20-30 minutes before listening
2. turn off when you stop listening
3. repeat when you have the time to listen

simao's avatar
simao
656 posts
 
I see tubes like I see an oven: if I'm home, then they're on. If I'm away for a few hours or not listening for the same amount, then they're off. 

They're energy-sucking, heat-emitting components and I have more peace of mind when they're on if I'm around. 
midareff1
31 posts
 
My pre (ARC Classic) sounds at it's best with tubes that have become almost unobtainium. There are no NOS Siemens & Halske 6922 Cca Grey Plates left in this world as far as I'm concerned. ..  except maybe the couple hiding in my closet.  Not listening for ten minutes, off it goes.
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