In Reply to: RE: Atma-sphere M-50 history posted by vince saunders on May 23, 2012 at 01:18:22:
Hard to tell about tube useage, since I only play them a few hours per month (I rotate between a few amps).
I got this pair about a 1 1/2 years ago (I previously had another set) and, at that time, the tube set in them had apparently been there for a number of years. I switched out a couple of lower testing ones (plus the small singal tubes) and have been using that same set (with one exception) since then.
I did recently test the power tubes in one of the amps, and they all were still good with the exception of one that had some slight intermittent leakage.
Good thing is that this amp is a LOT cheaper to retube (when needed) than a 2A3 parallel push pull amp that I have.
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Follow Ups
- RE: Atma-sphere M-50 history - baileyler 04:23:45 05/23/12 (0)