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1. Re: [Amps] 'gettering 572B' (score: 1): Author: "Roy" <royanjoy@ncn.net>; Date: Thu, 25 Jun 2009 10:23:34 -0500; Svetlana states its 572B has getter on the plates. Needs only to be operated under power. 73, Roy K6XK _______________________________________________ Amps mailing list Amps@contesting.com http://lis; /archives//html/Amps/2009-06/msg00116.html (6,191 bytes)
2. Re: [Amps] 'gettering 572B' (score: 1): Author: donroden@hiwaay.net; Date: Thu, 25 Jun 2009 11:53:26 -0500; I think it is more important to keep filament voltage at or below 6.3vac. Before modification, mine on a 30L-1 was over 6.9 standby and 6.7 under load. Don WA4NPL ____________________________________; /archives//html/Amps/2009-06/msg00118.html (6,941 bytes)
3. Re: [Amps] 'gettering 572B' (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Fri, 26 Jun 2009 06:19:36 +0800; Ha ha. Try 7.1V for the AL-811H. No wonder there's such a good market for 811A and 572B tubes here in Australia. 73, Alek VK6APK http://www.qrz.com/vk6apk http://www.qrz.com/vk6py ___________________; /archives//html/Amps/2009-06/msg00120.html (8,144 bytes)
4. Re: [Amps] 'gettering 572B' (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 25 Jun 2009 20:17:30 -0400; Yeah, but it made the power spec in final test! Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2009-06/msg00121.html (9,204 bytes)

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