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References: [ +from:theo.bellamy@spirittelecom.com: 47 ]

Total 47 documents matching your query.

21. Re: [Amps] A $500 amp! (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Mon, 6 Mar 2006 23:10:07 -0500
..... love the candy apple red muffin fan. Nice touch. Theo K4MO Wont say a word, just look; http://cgi.ebay.com/One-Tube-3-500z-Amplifier-500-Bird-RMS-1500-Bird-PEP_W0Q QitemZ5873733472QQcategoryZ48
/archives//html/Amps/2006-03/msg00159.html (7,333 bytes)

22. Re: [Amps] Transformers in series (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Sun, 12 Mar 2006 09:16:50 -0500
Or you can "mix n' match" ... here is an amp I built years ago with multiple power transformers. Each secondary was 320 volts, so I wired them in series to get a 1280 volt center tapped secondary. I
/archives//html/Amps/2006-03/msg00288.html (8,077 bytes)

23. Re: [Amps] Transformers in series (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Sun, 12 Mar 2006 17:13:39 -0500
Very true .... unless you are working with a $35 dollar budget like I was at the time. Then you use what you got and run what you brung. If the smoke comes out of it you bum bigger parts next time. ;
/archives//html/Amps/2006-03/msg00301.html (9,073 bytes)

24. [Amps] SS vs. Tubes (was "I gotta tell this") (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Wed, 29 Mar 2006 15:13:07 -0500
I really wish I could get excited about building an amp with solid state devices. I know we are not on the cutting edge when we build amps with 813s from WW2 or Russian Tank Radar tubes, but the tran
/archives//html/Amps/2006-03/msg00749.html (8,510 bytes)

25. Re: [Amps] "I gotta tell this" (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Wed, 29 Mar 2006 15:58:51 -0500
Nothing, unless you want to work 5 land from SC on 75 in the summer. Summertime static on 75 meters is 20 to 30 db over s9. I keep in contact with friends back in 5 land. There are times when qrp is
/archives//html/Amps/2006-03/msg00758.html (9,255 bytes)

26. Re: [Amps] "I gotta tell this" (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Thu, 30 Mar 2006 08:47:11 -0500
Don't forget to factor in ionospheric heating due to RF which will increase the received signal strength even more. Therefore a 10 db increase in transmitted power will result in more than a 10 db in
/archives//html/Amps/2006-03/msg00775.html (9,189 bytes)

27. Re: [Amps] "I gotta tell this" (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Thu, 30 Mar 2006 09:17:39 -0500
Colin makes a good point. I never kept an amp my cats didn't approve of (see http://www.qsl.net/k4mo/Giant.html for photographic evidence). Whenever I turned it on the cats came running from wherever
/archives//html/Amps/2006-03/msg00777.html (8,650 bytes)

28. Re: [Amps] How intermod limits your PEP (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Tue, 16 May 2006 08:43:02 -0400
Gary, Great piece ... thanks! I always wondered about the actual numbers. Talked to some goofball at a hamfest a while back who was telling me about his pair of 3-500Z with 5KV on them, and how they
/archives//html/Amps/2006-05/msg00110.html (10,866 bytes)

29. Re: [Amps] Henry 8K (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Tue, 16 May 2006 15:56:12 -0400
Wish I had a dollar for every time I have had my butt kicked in a pile up by someone who was only one S unit stronger! Theo K4MO Richard, I don't mean to rain on your parade, but that extra 6500 watt
/archives//html/Amps/2006-05/msg00131.html (9,139 bytes)

30. Re: [Amps] who needs it? Henry 8K (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Fri, 19 May 2006 09:04:40 -0400
"A great idea would be to eliminate the use of any high power hf amplifiers worldwide" Actually, I think that is a very bad idea. There are many times when 100w just won't cut it. The problem - as ha
/archives//html/Amps/2006-05/msg00237.html (8,734 bytes)

31. Re: [Amps] RE : who needs it? Henry 8K (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Wed, 24 May 2006 10:29:30 -0400
Actually, it was no legend! It was great fun .... sort of a contest for non-contesters. Yes, there were several amps "with handles" that played there. But the winner was almost ALWAYS determined by p
/archives//html/Amps/2006-05/msg00322.html (10,255 bytes)

32. Re: [Amps] Friedrichshaven - a new toy (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Mon, 26 Jun 2006 10:27:49 -0400
Marc, Nice looking amp! How much noise comes from those four little fans? Hope they get it type accepted in the US. 73, Theo K4MO Just got home after visiting hamradio in friedrichshaven. I found a n
/archives//html/Amps/2006-06/msg00430.html (8,738 bytes)

33. Re: [Amps] setting the grid adrift (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Wed, 26 Jul 2006 10:26:29 -0400
Actually, they are also used in "High End" stereo amps by the audiophools. http://www.soundstage.com/revequip/wyetech_topaz572b.htm Theo K4MO --Original Message-- From: amps-bounces@contesting.com [m
/archives//html/Amps/2006-07/msg01175.html (8,789 bytes)

34. Re: [Amps] Estate sale - CB Gear... w2cqm traders net (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Tue, 8 Aug 2006 11:26:42 -0400
I have no problem with it as long as it is Amp related. I would rather read for sale ads than the continuous bickering and arguing over arcane technical trivia, but even that can be educational up to
/archives//html/Amps/2006-08/msg00292.html (9,243 bytes)

35. Re: [Amps] HV transformers I want to series primary andparallel secondary (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Fri, 18 Aug 2006 16:25:54 -0400
Larry, Although the purists will come up with several arguments against it, I can tell you that it will work fine. See http://www.qsl.net/k4mo/6Pack.html for an example. Just make sure you keep the p
/archives//html/Amps/2006-08/msg00544.html (8,951 bytes)

36. Re: [Amps] Please unsubscribe me from your list. (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Thu, 21 Sep 2006 09:33:12 -0400
As with most mailing lists, the header of each email coming from the list server has instructions on removal: List-Unsubscribe: <http://lists.contesting.com/mailman/listinfo/amps>, <mailto:amps-reque
/archives//html/Amps/2006-09/msg00262.html (7,931 bytes)

37. Re: [Amps] FW: Testing amp with no air flow (score: 1)
Author: "Theo Bellamy" <theo.bellamy@spirittelecom.com>
Date: Fri, 20 Oct 2006 11:12:45 -0400
"I've tested the filament on the 3cpx5000a7 without air flow but with filament running less than 15 seconds." I have a friend who built a YC-156 amp. It was all manual - separate toggle switches for
/archives//html/Amps/2006-10/msg00213.html (8,035 bytes)

38. Re: [Amps] Help ID this amp? (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Tue, 06 Mar 2007 16:13:09 -0500
Hmmm ... looks like your standard pair of plate modulated 833's to me. What's the problem? ;-) Theo K4MO _______________________________________________ Amps mailing list Amps@contesting.com http://l
/archives//html/Amps/2007-03/msg00123.html (7,882 bytes)

39. Re: [Amps] Help ID this amp (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Wed, 07 Mar 2007 08:31:10 -0500
I was told that this is a picture of an actual plate modulated AM transmitter at K4UXK in Columbia, TN. I was also told that it is still operational. But then, I was told once about some guy called S
/archives//html/Amps/2007-03/msg00134.html (7,317 bytes)

40. Re: [Amps] al1200 (score: 1)
Author: Theo Bellamy <theo.bellamy@spirittelecom.com>
Date: Thu, 05 Apr 2007 16:16:55 -0400
Here are some pictures on the inside of the beast: http://home.comcast.net/~wb8wju/AL1200.html 73- Theo K4MO _______________________________________________ Amps mailing list Amps@contesting.com http
/archives//html/Amps/2007-04/msg00015.html (8,157 bytes)

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