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Total 7 documents matching your query.

1. [Amps] 4PR1000A (score: 1): Author: "Mark Beckwith" <mark@concertart.com>; Date: Fri, 13 Feb 2004 17:04:39 -0600; What is the difference between a 4-1000A and a 4PR1000A? Mark, N5OT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/; /archives//html/Amps/2004-02/msg00104.html (6,415 bytes)
2. [Amps] 4PR1000A (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Mon, 30 Jul 2007 16:49:57 -0400; Looking for some creative ideas for some very, very low emission AMPEREX graphite plate 4PR1000A tubes. These are real duds but look good. These have been run for over 2 years, 24 hours a day but don; /archives//html/Amps/2007-07/msg00529.html (7,560 bytes)
3. Re: [Amps] 4PR1000A (score: 1): Author: n8de@thepoint.net; Date: Mon, 30 Jul 2007 16:51:21 -0400; I have seen very attractive table lamps made from them. Don N8DE Quoting Bill Fuqua <wlfuqu00@uky.edu>: _______________________________________________ Amps mailing list Amps@contesting.com http://li; /archives//html/Amps/2007-07/msg00530.html (7,812 bytes)
4. Re: [Amps] 4PR1000A (score: 1): Author: Colin Lamb <k7fm@teleport.com>; Date: Mon, 30 Jul 2007 17:59:53 -0400 (EDT); The 4PR1000A would make an interesting diode detector in a broadcast band receiver. It would have a very high immunity to overload. Tie the grids to the plate. It will be pretty immune to nearby nucl; /archives//html/Amps/2007-07/msg00533.html (6,953 bytes)
5. Re: [Amps] 4PR1000A (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Tue, 31 Jul 2007 09:10:25 +0200 (CEST); It might be worthwhile flashing the filament at twice voltage for 10 minutes, followed by 30 minutes at 25% over aand an hour at 10% over. That procedure has been used succesfully in rejuvenating som; /archives//html/Amps/2007-07/msg00535.html (6,622 bytes)
6. Re: [Amps] 4PR1000A (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Tue, 31 Jul 2007 08:19:33 -0700 (PDT); Hi Bill, http://wc6w.50webs.com/wc6waccy/index.html?fr60.html 73 & Good morning, Marv WC6W ____________________________________________________________________________________ Take the Internet to Go; /archives//html/Amps/2007-07/msg00542.html (8,915 bytes)
7. Re: [Amps] 4PR1000A (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Tue, 31 Jul 2007 11:34:09 -0400; I had a thought. At 500 volts screen grid , 50 control grid , and 3 kV on the plate I managed to get 0.4 amps out of them. Wonder if I can come up with an easy connection using a microwave oven trans; /archives//html/Amps/2007-07/msg00543.html (9,671 bytes)

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