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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: "leave it on or turn it off" posted by tesla on September 24, 2000 at 00:42:27:
"They usually have much less of a lifespan than transistors" Strongly disagree. It depends how the circuit is designed. Tubes in many properly designed vintage gear still work perfectly after 10 years or more. Telefunken 12AX7, for example, were rated for 100,000 hours (That's 11 hours of continous use). Transmitter tubes in radio stations are left on all the time, and the world record I believe is 23 years before replacement.
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Follow Ups
- Re: "leave it on or turn it off" - Adrian 18:50:57 09/24/00 (0)