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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Hello, I have noticed beam tubes seem to glow a bit red at the seams where the two plate halves are joined, right where the beam forming plate aims the electrons. Is this O.K.? I am currently running KT66 tubes in triode 420v @ 60ma fixed bias = 25.2 watts. This should be fine as the current is plate and screen current combined and should work up to 28 watts total. Williamson had like 455v @60ma. I also noticed red spots on 6l6gc's running 25 watts dissipation. How much will this reduce tube life? Vintage equipment pushed their tubes very hard and they seemed to be O.K. Thanks.
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Topic - Red Plates - BillyJack 18:43:08 02/11/06 (14)
- Re: Red Plates - Swanson 19:03:00 02/12/06 (1)
- Re: Red Plates - Swanson 19:22:23 02/12/06 (0)
- Re: Red Plates - sser2 16:04:42 02/12/06 (0)
- Re: Red Plates - tvr2500m 10:03:12 02/12/06 (2)
- I see from your username you like these... - DaveInVA 15:52:31 02/12/06 (1)
- Re: I see from your username you like these... - tvr2500m 16:44:55 02/12/06 (0)
- Re: Red Plates - corerosin 04:35:57 02/12/06 (5)
- My goodness... - Steve O 08:03:20 02/12/06 (4)
- Re: My goodness... - corerosin 23:34:36 02/12/06 (3)
- Re: My goodness... - Steve O 17:27:41 02/13/06 (0)
- Re: My goodness... - shermanr@prw.net 05:43:43 02/13/06 (1)
- Re: My goodness... - corerosin 11:37:23 02/13/06 (0)
- Re: Red Plates - Steve O 19:25:31 02/11/06 (1)
- Cool, not to worry then (nt) - BillyJack 20:48:05 02/11/06 (0)
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