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1. Re: [Amps] PS Theory ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Wed, 27 Aug 2003 15:48:22 -0700
_________________________________________________________ The power handling capability of a transformer in a steady-state condition is determined mainly by it's internal temperature. Excessive heat
/archives//html/Amps/2003-08/msg00055.html (8,564 bytes)

2. Re: [Amps] PS Theory ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Fri, 29 Aug 2003 19:40:39 -0700
_________________________________________________________ That's ok provided the temperature is within reason. Some transformers dissipate heat better than others even though the above test might be
/archives//html/Amps/2003-08/msg00076.html (8,479 bytes)

3. Re: [Amps] Bounced cashiers checks. (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sat, 30 Aug 2003 19:08:56 -0700
_________________________________________________________ If they know who you are, I'm sure they will try their darndest to charge you back for it. -- Bill, W7TI ____________________________________
/archives//html/Amps/2003-08/msg00088.html (7,411 bytes)

4. Re: [Amps] Ameritron AL-1500 (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sun, 07 Sep 2003 07:51:55 -0700
Well, gosh. I guess people should only play with things they are completely knowledgeable about. Of course, one might ask HOW they are supposed to become knowledgable? I'm sure passing a 20-wpm code
/archives//html/Amps/2003-09/msg00065.html (8,430 bytes)

5. Re: [Amps] X-TRA TUBE DAYS (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Wed, 10 Sep 2003 08:12:05 -0700
On Wed, 10 Sep 2003 03:36:05 -0400, Harold B Mandel <ka1xo@juno.com> wrote: _________________________________________________________ Those were the days. Thanks for the memories. -- 73, Bill W7TI __
/archives//html/Amps/2003-09/msg00095.html (7,175 bytes)

6. Re: [Amps] AL-1200 Pop/Arching, 756 Pro II failure (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sat, 11 Oct 2003 09:10:49 -0700
_________________________________________________________ I had a similar experience with my AL-1200 which I bought when they first came out. In fact, it happened twice. In the first case, I was runn
/archives//html/Amps/2003-10/msg00088.html (8,508 bytes)

7. Re: [Amps] AL-1200 Pop/Arching, 756 Pro II failure (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sun, 12 Oct 2003 06:28:35 -0700
_________________________________________________________ IIRC, part of the problem in the AL-1200 is the hot air from the tube exhaust is vented inside the cabinet instead of to the outside. Changin
/archives//html/Amps/2003-10/msg00093.html (8,042 bytes)

8. Re: [Amps] Best place/type 3-500Z tube ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sun, 12 Oct 2003 09:28:01 -0700
_________________________________________________________ RF Parts' own house brand: http://www.rfparts.com/tubetran.html Made in China, very satisfactory here. -- Bill, W7TI ________________________
/archives//html/Amps/2003-10/msg00104.html (7,734 bytes)

9. [Amps] Need 10m mobile amp (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Wed, 15 Oct 2003 07:52:25 -0700
I'm almost embarrassed to ask this, but are there any *good* CB amps out there that one could use for a 10 meter mobile rig? Yes, I really am a ham (45 years) but I'm not above putting a CB amp to ho
/archives//html/Amps/2003-10/msg00139.html (7,263 bytes)

10. Re: [Amps] a BANG in the AMP ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sat, 18 Oct 2003 10:53:55 -0700
_________________________________________________________ Start by removing the tubes, or by disconnecting the anode connectors. If the "bang" no longer happens, re-connect the anodes one at a time.
/archives//html/Amps/2003-10/msg00172.html (7,928 bytes)

11. Re: [Amps] Transistor Bias (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sun, 19 Oct 2003 07:33:15 -0700
_________________________________________________________ EB104 deals with FET biasing. The original question was about bipolars. -- Bill, W7TI _______________________________________________ Amps ma
/archives//html/Amps/2003-10/msg00181.html (7,927 bytes)

12. Re: [Amps] a BANG in the AMP ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sun, 19 Oct 2003 16:56:43 -0700
_________________________________________________________ Blowing the fuse, which IIRC is what happened to the original poster. I had that happen once in my SB-1000 that had sat for about four years.
/archives//html/Amps/2003-10/msg00182.html (8,345 bytes)

13. Re: [Amps] a BANG in the AMP ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sun, 19 Oct 2003 19:39:57 -0700
_________________________________________________________ Why is that a concern? Perhaps you're thinking slowly as in minutes or longer? I'm talking a few seconds, just long enough to see what happen
/archives//html/Amps/2003-10/msg00183.html (8,373 bytes)

14. Re: [Amps] a BANG in the AMP ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sun, 19 Oct 2003 19:16:42 -0700
_________________________________________________________ In the case of my gassy 3-500Z, I'm not sure the noise came from the tube itself, although the tube was clearly at fault. Perhaps it was the
/archives//html/Amps/2003-10/msg00184.html (8,237 bytes)

15. Re: [Amps] 6 meter KW amplifiers ? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Mon, 20 Oct 2003 03:07:56 -0700
_________________________________________________________ I converted a Heath SB-1000 to six and it works fine. I would suggest if you decide to do this with any of the Heath models, don't replace th
/archives//html/Amps/2003-10/msg00187.html (7,552 bytes)

16. Re: [Amps] Ionized Gas in the Tube (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Mon, 20 Oct 2003 22:52:55 -0700
_________________________________________________________ Correct. Location is important. Blue glow on the inside of the glass is a mild X-ray effect, common even in some receiving tubes such as TV s
/archives//html/Amps/2003-10/msg00203.html (7,869 bytes)

17. Re: [Amps] Jennings Vacuum Variable Capacitor (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Thu, 30 Oct 2003 03:18:12 -0800
_________________________________________________________ There's a much easier way. Use an L network to step down the existing plate impedance to about 600-800 ohms and you'll be able to use the exi
/archives//html/Amps/2003-10/msg00295.html (8,227 bytes)

18. Re: [Amps] SB220 (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Thu, 06 Nov 2003 07:51:24 -0800
_________________________________________________________ The Commander HF-2500 has a zero-crossing power switch and I can verify it is great. No thump when turned on, just nice and smooth like it sh
/archives//html/Amps/2003-11/msg00083.html (8,850 bytes)

19. Re: [Amps] Zero Crossing power switch? (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Sat, 08 Nov 2003 06:27:59 -0800
On Fri, 7 Nov 2003 11:03:56 -0600, "Gene Bigham" <jbigham2@kc.rr.com> wrote: _________________________________________________________ It is a switch that senses when the voltage crosses the zero poi
/archives//html/Amps/2003-11/msg00116.html (7,456 bytes)

20. Re: [Amps] New source for Mini KW Coax (score: 1)
Author: Bill Turner <wrt@dslextreme.com>
Date: Fri, 14 Nov 2003 10:16:53 -0800
_________________________________________________________ Very clever, Eric. Thanks! -- Bill, W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.
/archives//html/Amps/2003-11/msg00182.html (7,317 bytes)

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