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1. [Amps] Q: Chimneys for 3-500/4-400?? (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Tue, 3 Dec 2002 19:38:12 -0800; Hi Bear, I agree with Rich. Have a 220 myself, running almost full power after 30 years and original 3-500Z tubes - print NOT brown. If you want DIY chimneys check http://www.qsl.net/sdxa/homebrew.ht; /archives//html/Amps/2002-12/msg00052.html (15,338 bytes)
2. [Amps] SB220 T/R relay substitution (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Thu, 14 Nov 2002 20:08:29 -0800; Tony, I agree with Gary. I did Rich Measures' mods on my SB220 over 10 years ago and it's working beautifully. Quiet and fast and no "hot-switching". The QSK mod is the best thing you can do to a SB2; /archives//html/Amps/2002-11/msg00230.html (9,997 bytes)
3. [Amps] Schematic Program (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Sat, 17 Aug 2002 15:43:48 -0700; Hi Al, Found an interesting schematic/PCB program - unfortunately not free, but check it out anyway. http://www.winqcad.com/index.html 73 Bert, VE3OBU I am looking for a SCHEMATIC PROGRAM that is eas; /archives//html/Amps/2002-08/msg00151.html (7,293 bytes)
4. [Amps] Ten Tec 444 amp (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Mon, 1 Apr 2002 23:01:04 -0800; Considering buying a Ten Tec 444 amplifier that "needs some work". The transistor finals are shot but the rest is supposedly OK. Are there any particular problems with this amp? What would be a fair; /archives//html/Amps/2002-04/msg00044.html (6,369 bytes)
5. [Amps] Ten-Tec 444 amp (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Tue, 2 Apr 2002 21:40:57 -0800; Thanks to all of you for info re. the Ten-Tec 444 amplifier. You made up my mind. Unless I can buy the amp/PS for the value of the PS, say $50 or so, I'll stay away from it. Thanks again. 73 Bert, VE; /archives//html/Amps/2002-04/msg00103.html (6,288 bytes)
6. [Amps] SB-220 for WARC bands (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Thu, 21 Mar 2002 21:06:55 -0800; Looking for a simple solution to modify the SB-220 to work on the WARC bands. 73 Bert, VE3OBU; /archives//html/Amps/2002-03/msg00489.html (6,970 bytes)
7. [Amps] SB-220 WARC bands (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Sun, 24 Mar 2002 21:06:26 -0800; Thanks for all your answers and shared experiences re. my problem running my SB-220 on the WARC-bands. All of your amps seem to be doing fine, but unfortunately not mine. Power out on 12 and 17m is a; /archives//html/Amps/2002-03/msg00562.html (7,635 bytes)
8. FW: [Amps] Mail Order Operations (score: 1): Author: "Bert Almemo" <balmemo@sympatico.ca>; Date: Thu, 4 Sep 2003 23:24:53 -0700; Dear Caveat emptor, If you want to abuse people in general go some where else and do your dirty work. You are not man enough to even identify yourself with a call sign. You've got real problems. Let'; /archives//html/Amps/2003-09/msg00044.html (9,198 bytes)
9. RE: [Amps] Benefits of 3-phase power? (score: 1): Author: "Bert Almemo" <balmemo@sympatico.ca>; Date: Sun, 16 Nov 2003 20:05:07 -0800; Hello Karl-Arne, I'll second that in a heart beat. When I arrived in Canada from Sweden 1982, the electrical system on this side of the pond really surprised me. It's unfortunately a very old fashion; /archives//html/Amps/2003-11/msg00218.html (11,799 bytes)
10. RE: [Amps] Benefits of 3-phase power? (score: 1): Author: "Bert Almemo" <balmemo@sympatico.ca>; Date: Mon, 17 Nov 2003 18:46:50 -0800; Hi Bill and everyone else interested! My comment "surprising it's working at all" is among other things relating to a typical house installation in North America. A cobb web of wires criss-crossing t; /archives//html/Amps/2003-11/msg00234.html (11,728 bytes)
11. RE: [Amps] Y-180 (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Sat, 1 Jan 2005 13:46:37 -0500; Hi David, It's a nickelplated version of 4CX300A. Check out http://www.mgs4u.com/transmit.htm 73s Bert, VE3OBU Can anyone identify a Y-180 tube? I have several and don't know what they are. They look; /archives//html/Amps/2005-01/msg00002.html (7,588 bytes)
12. RE: [Amps] Y-180 (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Sat, 1 Jan 2005 13:52:59 -0500; Hi again David, I found some specs that may be of interest. http://www.tube.be/4cx300a.html 73s Bert, VE3OBU Can anyone identify a Y-180 tube? I have several and don't know what they are. They look l; /archives//html/Amps/2005-01/msg00003.html (7,196 bytes)
13. Re: [Amps] Is ALC necessary (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Sun, 27 Feb 2005 21:09:20 -0500; Hi Dan, The basic purpose for ALC, Automatic Level Control, is to make sure you don't overdrive the amp. The expert on the reflector can probably give you some more insight. There is a great article; /archives//html/Amps/2005-02/msg00917.html (8,327 bytes)
14. Re: [Amps] mica caps (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Mon, 7 Mar 2005 09:20:01 -0500; Hi Carl, I contacted C-D and got the following answer. I hope it helps. 73 Bert, VE3OBU Dear Bert, I am assuming that what you are listing are three different capacitors and that they are leaded radi; /archives//html/Amps/2005-03/msg00198.html (8,548 bytes)
15. Re: [Amps] FW: RE: Liquid Cooling Systems (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Thu, 10 Mar 2005 22:20:00 -0500; Where is the moderator? Don't you have anything else to talk about? I can't remember the name of the product, may have been called "Water Wetter" but it is made by the Red Line lubricant company for; /archives//html/Amps/2005-03/msg00273.html (9,136 bytes)
16. Re: [Amps] Transistor amps (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Tue, 29 Mar 2005 09:44:54 -0500; Very interesting!! Solid state is the way to go. 73s Bert, VE3OBU Check these out... I just uploaded them to my website. They make fine CW amps... need a little work for SSB... but not much! http://w; /archives//html/Amps/2005-03/msg00675.html (12,216 bytes)
17. 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)
18. Re: [Amps] Dummy Load (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Wed, 25 May 2005 12:49:59 -0400; Hi Mark, Interesting! I checked out the spec sheet for the resistors you mentioned. The inductance for 2-8KW is <3 uH and 5-16KW is <5 uH. Would be interesting to see some practical tests on HF. 73 B; /archives//html/Amps/2005-05/msg00286.html (10,319 bytes)
19. Re: [Amps] Position of GU74 (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Wed, 13 Jul 2005 11:09:52 -0400; Hi Andy, Absolutely. Check http://www.kvindesland.no/yl2qm/amplifier.php for more interesting info. Good luck! 73s Bert, VE3OBU I am thinking of retubing FL2100B and I have two GU74 Can they be mount; /archives//html/Amps/2005-07/msg00145.html (7,847 bytes)
20. Re: [Amps] Spies In Computers (score: 1): Author: "Bert" <balmemo@sympatico.ca>; Date: Sun, 7 Aug 2005 18:04:29 -0400; Hi John, Look at it from the positive side John. Linux has a long way to go and I believe you're going to be safe for many years to come. Good luck! 73 Bert, VE3OBU BUT if everyone switches, then Lin; /archives//html/Amps/2005-08/msg00259.html (8,750 bytes)

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