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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: 12BH7s That Slowly Climb Under Test posted by baileyler on August 16, 2015 at 08:19:53:
That just means they are weak/borderline tubes. When you hold the test button down the tube starts to draw more current causing the cathode to heat up more releasing more electrons than in normal conditions. This causes the readings to slowly increase.
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Follow Ups
- RE: 12BH7s That Slowly Climb Under Test - DAK 09:51:21 08/16/15 (6)
- Controlled warm-up option? - FenderLover 04:16:09 08/17/15 (5)
- RE: Controlled warm-up option? - DAK 09:07:06 08/17/15 (2)
- RE: Controlled warm-up option? - baileyler 05:07:29 08/18/15 (1)
- RE: Controlled warm-up option? - DAK 09:08:16 08/18/15 (0)
- RE: Controlled warm-up option? - Eli Duttman 07:52:37 08/17/15 (1)
- RE: Controlled warm-up option? - coffee-phil 08:23:23 08/17/15 (0)
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