- 1. Re: [Amps] SB200 problem (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Fri, 23 Feb 2007 20:08:39 -0800
- Hi Tom I am having the same sort of problem here, except it is on 80 meters only that I am having the problem. My SB 200 is fine to my TS-450SAT on the 40-10 meters, but on 80 meters, it has a super
- /archives//html/Amps/2007-02/msg00378.html (7,824 bytes)
- 2. [Amps] SB200 input SWR tuning (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 25 Feb 2007 16:35:53 -0800
- Hi all I had a FL-2100B amp and the way they said to tune the input is to disconnect the high voltage lead from the transformer and tune the input that way. Is there a site that shows, or what is the
- /archives//html/Amps/2007-02/msg00386.html (6,817 bytes)
- 3. [Amps] SWR tuning (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 18 Mar 2007 17:42:28 -0700
- Hi All I am getting a new set of tubes for my SB-200. I assume that after I put them in, I will have to retune the input. Where can I find a non-conductive allen wrench to adjust the slugs in the coi
- /archives//html/Amps/2007-03/msg00216.html (6,383 bytes)
- 4. [Amps] Dentron DTR-1200L (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Mon, 26 Mar 2007 20:27:02 -0700
- Hi all A friend dropped his DTR-1200L off for me to have a look at. When opening it up, I wasn't very impressed. First thing I thought was weird was that the Dentron 572B tubes are shorter than the o
- /archives//html/Amps/2007-03/msg00360.html (6,514 bytes)
- 5. [Amps] SB200 parts (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Thu, 29 Mar 2007 18:15:08 -0700
- Howdy all I'm looking for an imput coil and cap for 80 meters on my SB-200. I've Googled "SB200 parts" with no avail. Anyone got a junker out there for parts, or a junker to sell? 73 Tom W7WHY ______
- /archives//html/Amps/2007-03/msg00400.html (6,353 bytes)
- 6. Re: [Amps] Ceramic capacitor ratings (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 15 Apr 2007 08:54:21 -0700
- That's a fact. I had a friend who worked in a TV repair shop and the TV company said if they could remove one part and the TV would still work, they'd give them $100. 73 Tom W7WHY ___________________
- /archives//html/Amps/2007-04/msg00130.html (8,309 bytes)
- 7. Re: [Amps] rfi (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Mon, 30 Apr 2007 18:05:01 -0700
- HI Carl I get a kick out of these stories I had a good one here. My wife has a Viking Computerized Embroidery machine and when I got on the air with the beam pointing west she could hear me coming ou
- /archives//html/Amps/2007-04/msg00387.html (6,811 bytes)
- 8. Re: [Amps] meter face (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Wed, 20 Jun 2007 19:33:34 -0700
- I have an SB-200 and it has a meter from a Drake L-4B in it and looks really sharp (and works good). 73 Tom W7WHY _______________________________________________ Amps mailing list Amps@contesting.com
- /archives//html/Amps/2007-06/msg00103.html (6,957 bytes)
- 9. Re: [Amps] 572B (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 01 Jul 2007 08:21:10 -0700
- Check this link for some on eBay. 73 Tom W7WHY http://cgi.ebay.com/Pair-Amperex-572B-exc-cond-Transmitting-Triode-x2_W0QQitemZ260108706973QQihZ016QQcategoryZ48710QQrdZ1QQssPageNameZWD1VQQcmdZViewItem
- /archives//html/Amps/2007-07/msg00006.html (6,543 bytes)
- 10. Re: [Amps] SB-200 DATA (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Wed, 18 Jul 2007 18:05:50 -0700
- Hi Bob I guess it is all how you look at things. I have a SB-200 and like it very much. Gives me 500-600 watts out full bore. No problems tuning on any band. Dunno what else I could ask of an amp. Th
- /archives//html/Amps/2007-07/msg00337.html (8,643 bytes)
- 11. Re: [Amps] Emtron DX2 blows ac fuse on going TX (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Tue, 07 Aug 2007 18:01:50 -0700
- Good advice!! I have always found once smoke starts pouring out of the amp, it is easy to see what the problem is. Kinda like the smoke they put in all those solid state parts. 73 Tom W7WHY _________
- /archives//html/Amps/2007-08/msg00023.html (7,283 bytes)
- 12. Re: [Amps] LK 500 ZA heat (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Mon, 13 Aug 2007 19:20:11 -0700
- What was the original question? _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
- /archives//html/Amps/2007-08/msg00062.html (14,903 bytes)
- 13. [Amps] SB-200 circuit breakers (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 26 Aug 2007 15:16:42 -0700
- Hi All On my SB-200, the front circuit breaker trips after half hour or so of operation on RTTY. If running RTTY, I usually keep it down to 200-250 watts. It is the same breaker, the front one, that
- /archives//html/Amps/2007-08/msg00193.html (6,768 bytes)
- 14. Re: [Amps] SB-200 circuit breakers (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 26 Aug 2007 17:22:19 -0700
- Hi Lou I guess I didn't explain it right. What I meant is that after it cools down, I can manually reset the breaker. If I push on it right after it trips, it won't reset. Actually, after a while I c
- /archives//html/Amps/2007-08/msg00196.html (7,813 bytes)
- 15. Re: [Amps] SB-200 circuit breakers (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 26 Aug 2007 18:35:25 -0700
- Hi Carl Filter caps have been recently replaced. They are 100uf at 450 volts. I see in the schematic that the originals were 125uf. I will do the 'heat' test and see if they do in fact get warm. Tube
- /archives//html/Amps/2007-08/msg00198.html (10,222 bytes)
- 16. [Amps] SB-200 circuit breaker (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sun, 26 Aug 2007 18:51:42 -0700
- Hi Carl I did that and the caps are barely warm, but the bleeders are really hot. Too hot to touch. Tom W7WHY _______________________________________________ Amps mailing list Amps@contesting.com htt
- /archives//html/Amps/2007-08/msg00199.html (6,478 bytes)
- 17. [Amps] SB-200 Circuit Breakers (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Sat, 08 Sep 2007 21:40:45 -0700
- Hi All A few weeks back I posted about my SB-200 that kept tripping the front breaker and had all sorts of good hints on what to check. Tom, W8JI, hit the nail right on the head. I should have notice
- /archives//html/Amps/2007-09/msg00106.html (7,014 bytes)
- 18. [Amps] 813's was switching power supply for tube amplifier (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Fri, 14 Sep 2007 17:45:55 -0700
- Hi Hamilton Definately, they did work. The picture of the one in the book, I believe, is the one that GE had an article on. They were single band amps. You could put 3 or 4 in a rack, have the filame
- /archives//html/Amps/2007-09/msg00162.html (9,502 bytes)
- 19. Re: [Amps] IMD (score: 1)
- Author: "Tom Osborne" <w7why@verizon.net>
- Date: Wed, 26 Sep 2007 20:19:51 -0700
- Boy, this is getting really, really boring!! Can't we talk about true north or SO2R or owls?? Tom W7WHY _______________________________________________ Amps mailing list Amps@contesting.com http://li
- /archives//html/Amps/2007-09/msg00355.html (9,637 bytes)
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