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In Reply to: tube matching posted by mark_m on September 22, 2004 at 11:14:27:
Check out Bill Thomas' post on tube matching. Sounds like you did it correctly. The difference in tubes is quite significant. Maybe you should try another socket just to confirm or look for a tech with a good tester.You really only have to match 2 pairs not all 4. The readings you received on the other three are close. When I bias my ST70 the bias readings are not constant, they go up and down slightly.
It would be hard to find a matching Mullard, unless you were able to test that tube with your others. Different tube testers will give different readings.
David
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Follow Ups
- Re: tube matching - kintyre695 11:41:39 09/22/04 (1)
- Matching Mullard - mark_m 20:39:57 09/22/04 (0)