2. amps-preamps
  3. 126899-79934

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-11

Showing 2 responses by randy-11

randy-11 OP
1,913 posts
 
I'm aware of cathode depletion, but by that time, the tube would usually fail completely, not just show degraded SQ, AFAIK.
randy-11 OP
1,913 posts
 
What does "wear them down" mean?
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