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References: [ +from:andromeda@seanet.com: 21 ]

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1. [Amps] Bang (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Tue, 07 Jan 2003 14:35:41 -0800; This is a quiz! New amp using 3CX3000A7. No band switch, new plate blocking cap (.0019uf/15KV). Tube fil turned off. When I adjust the HV to more than 4-4.5 KV it eats the glitch resistor. (10 ohm) W; /archives//html/Amps/2003-01/msg00058.html (6,852 bytes)
2. [Amps] Bang (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Tue, 07 Jan 2003 17:55:55 -0800; The glitch resistor is 10 ohm at 20w.. The transmitter puts out 1500w with ease on 75 meters as long as I don't bring the plate volts above 4-4.5 KV. As I said earlier, it didn't blow with 22k 20 w r; /archives//html/Amps/2003-01/msg00062.html (6,753 bytes)
3. [Amps] Bang (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Tue, 07 Jan 2003 19:56:18 -0800; As it turns out, the "HV" relay shorts between the mounting stud and the coil wiring. The vacuum must be gone. anybody know where I can get a "good" relay?? Dennis W7JX; /archives//html/Amps/2003-01/msg00065.html (8,345 bytes)
4. [Amps] sheet metal for covers (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Fri, 13 Dec 2002 00:56:10 -0800; try "www.smallparts.com"; /archives//html/Amps/2002-12/msg00181.html (7,170 bytes)
5. [Amps] gg input (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Fri, 11 Oct 2002 09:30:44 -0700; Hi Guys: If the output "Q" on our tank circuit is ok to be 12 to 15, why can't the input be the same??? Dennis W7JX; /archives//html/Amps/2002-10/msg00105.html (6,415 bytes)
6. [Amps] gg input (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Fri, 11 Oct 2002 11:27:57 -0700; Thanks guys for the responses. It is as suspected. I think tuning is better(more knobs)... Dennis W7JX; /archives//html/Amps/2002-10/msg00108.html (6,410 bytes)
7. [Amps] How light can you make a 500W amplifier? (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Tue, 15 Oct 2002 12:10:05 -0700; If it's that important and you have a source of running water, use water cooling and forget the heat sink..; /archives//html/Amps/2002-10/msg00150.html (10,770 bytes)
8. [Amps] Distortion (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Tue, 29 Oct 2002 08:48:10 -0800; Lets say our rippy doo amp is running 5 kv plate AB2 GG. The plate Z = about 12.5K at idle current..Now at "berserko speech", as Rich would say, 1 amp of plate current the plate Z = 3.125k. What's up; /archives//html/Amps/2002-10/msg00302.html (6,710 bytes)
9. [Amps] Odd Tube type???? (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Tue, 24 Sep 2002 01:12:55 -0700; sounds like a 304tl to me...; /archives//html/Amps/2002-09/msg00222.html (7,538 bytes)
10. [Amps] Filter (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Mon, 12 Aug 2002 12:22:31 -0700; Is it necessary to use a bifilar winding choke (for GG amp) for filament or can two separate ferrite rods be used?? Dennis W7JX; /archives//html/Amps/2002-08/msg00118.html (7,362 bytes)
11. [Amps] Filter (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Mon, 12 Aug 2002 15:22:51 -0700; Why bifilar???; /archives//html/Amps/2002-08/msg00120.html (7,883 bytes)
12. [Amps] vac cap (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Sun, 14 Jul 2002 16:31:22 -0700; Hi guys: Just purchased a NOS vacuum cap Nr. ucsxf-12000-7.5n299. It needs the bell shaped tuning thing that has the shaft for the "knob". any help would be appreciated.. Dennis W7JX; /archives//html/Amps/2002-07/msg00191.html (6,112 bytes)
13. [Amps] Eimac (score: 1): Author: andromeda@seanet.com (Dennis Watkins); Date: Sat, 04 May 2002 11:22:12 -0700; Anybody got one of those "Tube Performance Calculator" made by Eimac. Thanks Dennis W7JX; /archives//html/Amps/2002-05/msg00027.html (5,960 bytes)
14. [Amps] unun (score: 1): Author: Dennis Watkins <andromeda@seanet.com>; Date: Sat, 06 Dec 2003 11:03:22 -0800; Anybody tried putting an "unun" between the filament choke and the input network of a GG amp. If the input Z could be raised up to 200 ohms it would make the input filter-tuner a bit easier to manage; /archives//html/Amps/2003-12/msg00081.html (6,602 bytes)
15. Re: [Amps] Swan Mark 1 Resting Plate Current (score: 1): Author: Dennis Watkins <andromeda@seanet.com>; Date: Tue, 23 Dec 2003 09:02:27 -0800; Sounds like a couple of things to me. I'd check the fil volts at the socket. Next you should see what the bias voltage is doing.. Bill Smith wrote: I replaced the transformer in my Swan Mark 1 with a; /archives//html/Amps/2003-12/msg00350.html (8,617 bytes)
16. Re: [Amps] Data sheet (score: 1): Author: Dennis Watkins <andromeda@seanet.com>; Date: Fri, 30 Jan 2004 01:40:22 -0800; They are identical!!! Conrad G0RUZ wrote: Thanks to everyone for the datasheet, perhaps I should have pointed out that I was looking for the Eimac datasheet to see if there was any difference between; /archives//html/Amps/2004-01/msg00353.html (7,477 bytes)
17. Re: [Amps] 3-1000z output? (score: 1): Author: Dennis Watkins <andromeda@seanet.com>; Date: Thu, 22 Apr 2004 11:11:51 -0700; No.. Allen (Marty) Martin wrote: There is a guy claiming 3 kw output out of a homebrew amp running a single 3-1000z on qrz.com. Is this believable? Marty -- Outgoing mail is certified Virus Free. Che; /archives//html/Amps/2004-04/msg00153.html (7,741 bytes)
18. [Amps] test (score: 1): Author: Dennis Watkins <andromeda@seanet.com>; Date: Fri, 10 Dec 2004 08:47:57 -0800; test _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2004-12/msg00160.html (6,323 bytes)
19. [Amps] P.C. boards (score: 1): Author: Dennis Watkins <andromeda@seanet.com>; Date: Fri, 10 Dec 2004 08:51:43 -0800; There's a fellow with a salty old call that makes P.C. boards for the home brew amp builder. Can some one refresh whats left of my memory.. Retafier boards, input filtering, control boards etc Dennis; /archives//html/Amps/2004-12/msg00161.html (6,196 bytes)
20. Re: [Amps] 3-1000 or 4-1000? (score: 1): Author: Dennis Watkins <andromeda@seanet.com>; Date: Thu, 23 Dec 2004 10:50:18 -0800; The 4-1000 has a metal skirt around the base of the tube with holes in it. The 3-1000 is glass over the entire base. Roger Parsons wrote: Is it possible to tell the difference between a 3-1000 and a; /archives//html/Amps/2004-12/msg00293.html (7,578 bytes)

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