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"Off" vs. "Standby" and tube life

Hi everyone. I currently have a tubed cd player and a solid state integrated. I want to turn my cd player off when I am not using it to prolong tube life but my integrated sounds much better when left on 24/7. Here's my question - my integrated has a standby switch. When I am powering off my system, can I put the amp into standby and then turn my CD player off. I know I am supposed to power down the amp before powering down the source but does putting it into standby qualify?

I realize that there are differing opinions on whether leaving a tubed piece on all the time is better than turning it off and on but that aside I'm interested in learning more about "standby" vs. "off"

Thanks in advance.
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scifi
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I am not debating the merits of turning off tubed gear, but in conversation with Jud Barber of Joule Electra, he stated that many of his customers leave their Joule preamps on all of the time. In fact, he informed me that this was a perfectly acceptable practice with his gear and that the tubes should last 6-8 years following this routine.

There certainly have been some compelling reasons as to why this might be a dangerous or counterproductive practice but thought that I would relate another viewpoint that has been expressed from a well respected designer of tubed gear.

FYI, he did not say to follow the same routine with his amps however.

Scifi
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