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1. [Amps] Weak Amperex 3-500Z (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Fri, 28 Jul 2006 09:19:26 -0500; Last night during a weekly practice session with our ham club's small bluegrass band, one of the guys said he replaced the Amperex 3-500Z in his AL-80A. It was putting out about 400 watts CW. He repl; /archives//html/Amps/2006-07/msg01234.html (6,854 bytes)
2. Re: [Amps] Weak Amperex 3-500Z (score: 1): Author: "John Vickers" <wa4tt@nlamerica.com>; Date: Fri, 28 Jul 2006 11:32:08 -0400; On a similar note I have an Eimac -500z with a hole sucked in the side (approx .22 cal). If I can successfully remove the white powder thats now coating the inside, anyone have a suggestion for an ep; /archives//html/Amps/2006-07/msg01238.html (7,490 bytes)
3. Re: [Amps] Weak Amperex 3-500Z (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Fri, 28 Jul 2006 17:47:40 +0200 (CEST); just worn out? < It sounds as if the emission is low. Over the last 60 years or so, there have been a number of articles on recovering thoriated tungsten filament tubes. No guarantees are offered, bu; /archives//html/Amps/2006-07/msg01239.html (7,930 bytes)
4. Re: [Amps] Weak Amperex 3-500Z (score: 1): Author: R L Measures <r@somis.org>; Date: Fri, 28 Jul 2006 07:53:12 -0700; usually loss of emission, either from running too much filament V or R L MEASURES, AG6K. 805-386-3734 r@somis.org _______________________________________________ Amps mailing list Amps@contesting.com; /archives//html/Amps/2006-07/msg01268.html (8,239 bytes)
5. Re: [Amps] Weak Amperex 3-500Z (score: 1): Author: R L Measures <r@somis.org>; Date: Sun, 30 Jul 2006 03:31:30 -0700; Background. When the Plywood Box project was fired up, I discovered that the donated 8170 pull had little emission. Several 40m friends told me that I could increase emission by raising filament pote; /archives//html/Amps/2006-07/msg01377.html (9,163 bytes)

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