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1. [Amps] 3-500Z filament voltage and current (score: 1): Author: Larry <larry@w7iuv.com>; Date: Thu, 10 Apr 2008 14:54:23 -0700; Question for those with more experience in this particular area than I have: The Eimac spec sheet sez 5.0 +/- 0.25 volts measured at the socket. Do they really mean the socket contacts or the tube pi; /archives//html/Amps/2008-04/msg00156.html (8,741 bytes)
2. Re: [Amps] 3-500Z filament voltage and current (score: 1): Author: "Chuck Curran" <ccurran@wi.rr.com>; Date: Thu, 10 Apr 2008 19:42:33 -0500; Larry: I recently built an amp using two of the 3-400Z Eimac tubes. While in the process, I realized the new old stock Stancor 5 VAC 30 amp filament transformer provided 4.66 VAC under load, with a 1; /archives//html/Amps/2008-04/msg00158.html (12,236 bytes)
3. Re: [Amps] 3-500Z filament voltage and current (score: 1): Author: Larry <larry@w7iuv.com>; Date: Fri, 11 Apr 2008 08:06:13 -0700; Quite a few off-list comments were received, so rather than reply to each individual, I'll just say thanks to all who responded and summarize. The consensus on filament voltage was that 4.8 was OK bu; /archives//html/Amps/2008-04/msg00170.html (7,256 bytes)

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