How long will tubes last in a pre-amp?

My Sonic frontiers Line One seems fine, tho I haven't put anything else in place of it to test.

It is a decade or more old. Should I get worried about the tubes?

randy-1111-07-2016 4:30am

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noromance Details Discussions Posts This discussion Message User 9,501 posts 11-07-2016 at 05:04pm Copy Comment URL Report Comment Edit Delete Randy...look up cathode depletion.
randy-11 OP Details Discussions Posts This discussion 1,913 posts 11-07-2016 at 06:12pm Copy Comment URL Report Comment Edit Delete I'm aware of cathode depletion, but by that time, the tube would usually fail completely, not just show degraded SQ, AFAIK.
ahendler Details Discussions Posts This discussion Message User 416 posts 11-07-2016 at 07:46pm Copy Comment URL Report Comment Edit Delete Preamp tubes for the average use listener should last 10 to 20 years Left a 12ax7 on 24/7 for 10 years and it still tested good Alan
waxwaves Details Discussions Posts This discussion Message User 206 posts 11-07-2016 at 07:55pm Copy Comment URL Report Comment Edit Delete Google search "Sonic Frontiers Line 1 tube rolling" and see what you come up with. You can really change the sound of that preamp with different tube types. I prefer Amperex Orange Globe 6922 with A-frame getter. Great sounding tube for the Line 1. Good new production tubes would be Gold Lion IMO. The tubes you have in there are probably fine Randy, but tube rolling is good fun!
asvjerry Details Discussions Posts This discussion Message User 4,327 posts 11-08-2016 at 04:57am Copy Comment URL Report Comment Edit Delete Probably like many things, as soon as you stop worrying about them, poof. Buy a set of back-ups and put them someplace safe.

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