Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+L7\s+Question\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+L7\s+Question\s*$/: 7 ]

Total 7 documents matching your query.

1. [Amps] L7 Question (score: 1): Author: <ec1cwg@dxhunters.com>; Date: Tue, 26 Apr 2005 16:32:00 +0200; Hi there, I´m a proud owner of an old Drake L7 amplifier. It has been working out flawsely for 6 years here at my shack. Just wondering what would be a reasonable period of time to heat it up b; /archives//html/Amps/2005-04/msg00551.html (7,499 bytes)
2. Re: [Amps] L7 Question (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Tue, 26 Apr 2005 10:52:09 -0400; Hi Fernando, 3-500Z is direct heated which means you can start transmitting after a few seconds. Running the amp for any longer period of time is just wasting energy. Good luck! 73s Bert, VE3OBU Hi t; /archives//html/Amps/2005-04/msg00552.html (7,803 bytes)
3. Re: [Amps] L7 Question (score: 1): Author: "Jerry Muller" <jerry@k0tv.com>; Date: Tue, 26 Apr 2005 11:12:08 -0400; I've got an L7 also that I bought new MANY years ago. It's a 3-500Z amp and those tubes are instant on. Power, wait a few seconds and then go. I do that with all my 3-500Z amps and no problems. I've; /archives//html/Amps/2005-04/msg00553.html (8,555 bytes)
4. Re: [Amps] L7 Question (score: 1): Author: R@contesting.com;Measures <r@somis.org>; Date: Tue, 26 Apr 2005 08:13:25 -0700; Fernando -- The only thoriated tungsten filament tubes that require a pre-heat have water-cooled filament support structures. In Ham stations outside Japan, these are fairly rare. Ordinary tubes like; /archives//html/Amps/2005-04/msg00554.html (8,552 bytes)
5. Re: [Amps] L7 Question (score: 1): Author: "Mike Schatzberg" <cherokeehillfarm@earthlink.net>; Date: Tue, 26 Apr 2005 11:25:02 -0400; Hello Fernando: Of course your amp has instant heating triodes, which only require a few seconds to come up to temperature. If your amp does not have inrush protection, it is a good idea to turn it o; /archives//html/Amps/2005-04/msg00555.html (8,086 bytes)
6. Re: [Amps] L7 Question (score: 1): Author: R@contesting.com;Measures <r@somis.org>; Date: Tue, 26 Apr 2005 11:57:35 -0700; 3-500Zs reach full output in <1-second. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.; /archives//html/Amps/2005-04/msg00558.html (7,399 bytes)
7. [Amps] L7 question (score: 1): Author: <ec1cwg@dxhunters.com>; Date: Sat, 10 Dec 2005 12:08:05 +0100; Hello FMs, Wondering if anyone have tried to tune up a Drake L7 amplifier in 17 meters. If so, have you did any modification?...Thanks! EC1CT Fernando E-mail: ec1cwg@dxhunters.com URE & ARRL member _; /archives//html/Amps/2005-12/msg00111.html (6,339 bytes)

Current List: 1 - 7
Page: [1]