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In Reply to: Oops...time to change that tube posted by Byrd69 on June 25, 2023 at 16:25:19:
I had some Cunningham 45 Globes that I'd run for a while and one died badly taking out a resistor or diode. After Gordon fixed it, I put in some NOS Sylvania 45s and ran it for years and years and still have the same tubes now though I haven't used it recently.
Otherwise, my BAT VK5i has been in constant use for 23 years now and I've typically used "NOS" Amperex tubes and changed them around twice, no failures, but tube rush. Several years ago I retubed it with Gold Lions. I also replaced the rectifiers once as one was getting noisy.
I've never lost any of my old 6SN7s
-Rod
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Follow Ups
- Only one real failure in well over 20 years.... - Rod M 19:04:56 06/28/23 (0)