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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: Re: Help! What has happened? posted by Try-ode on April 5, 2007 at 08:40:30:
Seems like your EH tubes need a different bias setting. From your description, they're drawing far too much current. It's not unusual to have to readjust the bias when changing output tubes and it doesn't necessarily mean that either set of tubes is bad, they're just different.The safest method is to turn the bias controls to minimum current setting, then increase the current slowly for each tube until it seems about right, leave it running for an hour or two, then readjust if necessary.
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Follow Ups
- Bias setting - Ray Moth 15:03:09 04/05/07 (5)
- yep... - Try-ode 19:42:30 04/05/07 (4)
- Re: yep... - mattybumpkin 12:28:35 04/06/07 (3)
- Re: yep... - Try-ode 16:01:31 04/06/07 (2)
- Re: yep... - mattybumpkin 04:13:26 04/07/07 (1)
- what ever... - Try-ode 08:02:58 04/07/07 (0)
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