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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: Eico Amps and EL84s - too high Va ?? posted by PFM on January 10, 2005 at 21:01:51:
I suspect two issues. Transformers could have been designed for 115 volt primary causing somewhat higher plate voltage on 120 volts AC primary & Eico may have 'pushed' the EL84 tube voltage ratings. With cathode bias, B+ to ground is 12-14 volts higher than the plate to cathode voltage within the tube.
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Follow Ups
- Re: Eico Amps and EL84s - too high Va ?? - Jimmy 01/11/0506:03:14 01/11/05 (4)
- Re: would'nt that shorten the life of the tube ? - PFM 07:25:21 01/11/05 (3)
- Re: would'nt that shorten the life of the tube ? - Damir_the real one 12:50:15 01/11/05 (1)
- Re: Ah...power is the key - PFM 15:40:04 01/11/05 (0)
- Re: would'nt that shorten the life of the tube ? - Jimmy 12:01:43 01/11/05 (0)
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