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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: 6L6GB vacuum rating posted by greg7 on January 9, 2008 at 05:58:52:
Your bio lists engineer as occupation, so you should know (unless you meant a Railroad Train operator), but just HOW did you measure the vacuum of a factory-sealed tube? IF instead you meant an electrical measurement of for instance emissions or micro-ohmos, you would need to be familiar with the specific tester used for the measurement, its' state of calibration, & what a *new* tube is supposed to read in that particular tester. IOW your stated 75-80 range is essentially worthless info if provided by another party with no further clarification. Read the Asylums' FAQ section on Tube Testers for info on such devices & what they measure.
Edits: 01/09/08 01/09/08
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Follow Ups
- RE: 6L6GB vacuum rating - Ron Oehlert 10:28:48 01/09/08 (5)
- Sir, yes sir! - greg7 16:04:17 01/09/08 (3)
- RE: Sir, yes sir! - Ron Oehlert 23:33:33 01/10/08 (2)
- RE: Sir, yes sir! - TimFox 06:54:40 01/11/08 (0)
- From the bottom - Cleantimestream 05:57:33 01/11/08 (0)
- RE: Tube Theory in EE studies - gusser 11:29:03 01/09/08 (0)
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