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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: 6550 closest to GE. Current production only posted by Jim McShane on April 9, 2007 at 11:56:15:
Good point. I forgot to say that the Mark 3 standard bias setting runs each KT88 with 70mA to get me to 35 Watts at idle per tube. From page 2 of the data sheet of the GE6550A, it lists the triode connection max plate voltage of 500V and does not list the screen voltage. Sometimes my plate voltage is over 500 since my line voltage varies from 120 to 124.xx Vac.
I was just afraid of the combination of all that being hard on the 6550 and actually the KT88 as well. But I do not know much about tubes so let me know if I am worrying for nothing.
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Follow Ups
- Re: 6550 closest to GE. Current production only - LR-dan 12:32:32 04/09/07 (7)
- Re: 6550 closest to GE. Current production only - Jim McShane 12:47:10 04/09/07 (6)
- Re: 6550 closest to GE. Current production only - LR-dan 15:21:56 04/09/07 (5)
- Re: 6550 closest to GE. Current production only - nightdoggy 16:52:43 04/09/07 (0)
- Re: 6550 closest to GE. Current production only - Jim McShane 16:05:45 04/09/07 (3)
- Not offended really just puzzled - LR-dan 19:04:33 04/09/07 (2)
- I'll try - Russ57 08:53:27 04/10/07 (1)
- Re: I'll try - LR-dan 12:05:06 04/10/07 (0)
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