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21. Re: [Amps] New Amps at Dayton (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 20 May 2008 09:04:19 -0700 (PDT); Why have the Russians stopped producing tubes? From what I can gather from some people and sources is that Russia is in a state of economic chaos and making tubes is not something they have focused o; /archives//html/Amps/2008-05/msg00131.html (7,596 bytes)
22. Re: [Amps] Future of higher power transmitting tubes.............. (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 21 May 2008 09:32:53 -0700 (PDT); This is the same question I have. Looking around the internet and reading as much as possible about the supply of tubes and price increases....I think the solid state amp is going to meet the price p; /archives//html/Amps/2008-05/msg00153.html (8,486 bytes)
23. [Amps] 3-500C (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 6 Jun 2008 08:31:15 -0700 (PDT); Just looking around the internet and found a Chinese 3-500C tube which is a knock off of the 3-500Z Is this the same tube that is being sold to the ham community or something totally difference? Lee; /archives//html/Amps/2008-06/msg00039.html (6,862 bytes)
24. Re: [Amps] little OT, but here goes . . . (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Mon, 23 Jun 2008 09:01:32 -0700 (PDT); I like..... You have to transmit to be heard. Lee K0WA "Mr. Obvious" In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get some Common Sense and u; /archives//html/Amps/2008-06/msg00186.html (8,054 bytes)
25. [Amps] Anyone have extra set of good 3-500zs? (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 4 Jul 2008 12:43:51 -0700 (PDT); About a month ago, I got an AL82 for a very good price, but I had to pick it up in Dallas. So, from the Wichita, KS area, I drove to Dallas and picked up the unit. Toll the tubes out and packed them; /archives//html/Amps/2008-07/msg00039.html (7,014 bytes)
26. [Amps] AL82 question - oddity (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Mon, 14 Jul 2008 14:48:52 -0700 (PDT); I just got a "used" AL82 on the air with new 3-500Z (Taylor) tubes. Works great on all bands but show something I've never seen on 10 meters. On 10 meters the plate current and grid current fluctuate; /archives//html/Amps/2008-07/msg00131.html (6,847 bytes)
27. [Amps] New Tubes - Question (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 18 Jul 2008 09:19:41 -0700 (PDT); Question.... I have a new pair of Taylor 3-500Zs from RF Parts in my amp. Do they have to been "burned in" or "gettered" before actual use? The seem to work fine and make power. Never did that with t; /archives//html/Amps/2008-07/msg00141.html (6,764 bytes)
28. Re: [Amps] Ameritron AL-82 Questions (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Sun, 14 Sep 2008 18:09:47 -0700 (PDT); I have an AL-82 and it is a tough amplifier. The main amp is the same in the 1200 and the 1500 except different tubes. I chose the 82 because the cost of the tubes are reasonable. It has not disap; /archives//html/Amps/2008-09/msg00132.html (8,833 bytes)
29. [Amps] Strange Loading Issue (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 20 Nov 2008 07:10:07 -0800 (PST); My friend has a AL80A...generic amplifier. In fact, I sold it to him. He was having some issues loading it so I went over to his house and took a look. This amp worked great for me for about 5 yea; /archives//html/Amps/2008-11/msg00192.html (7,951 bytes)
30. [Amps] Modifications to Ameritron amp (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Mon, 1 Dec 2008 09:48:54 -0800 (PST); I was reading somewhere...and I cannot find the information on the internet...that there was a modification in the AL-82/1200/1500 type amps from Ameritron starting at around SN 12000 for the AL-82.; /archives//html/Amps/2008-12/msg00014.html (7,138 bytes)
31. Re: [Amps] SB-220 Drive Levels -FTFM (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 23 Jan 2009 08:06:01 -0800 (PST); If I remember correctly, the manual says drive it to 500 ma. That is it. I've seen guys drive it to 600 ma in SSB mode (higher plate voltage). As everyone said here....it really was not designed t; /archives//html/Amps/2009-01/msg00269.html (8,420 bytes)
32. [Amps] The SB220 Mystique (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 10 Feb 2009 08:19:51 -0800 (PST); A question for the "experts" on this list.... Why do people like the SB220 so much? What is it that makes this amp so "popular" because it has never been "popular" with me. Yes, I have owned one SB2; /archives//html/Amps/2009-02/msg00260.html (7,990 bytes)
33. Re: [Amps] Question for All Amp Builders... (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 20 Feb 2009 06:30:43 -0800 (PST); You have gotten some very good replies.... I will add my 2 cents. What the circuit does is to transform the tube output impedance to what your load is....for the most part...50 ohms. There are som; /archives//html/Amps/2009-02/msg00586.html (9,801 bytes)
34. Re: [Amps] DEAD Alpha 91B (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 5 Mar 2009 09:59:54 -0800 (PST); Gee... I am still chuckly about this thread.... But, a smart a-- answer deserves and smart a-- reply. Round 2? Lee - K0Wa _______________________________________________ Amps mailing list Amps@conte; /archives//html/Amps/2009-03/msg00148.html (8,149 bytes)
35. Re: [Amps] SB-1000 - 100ma minimum plate current. (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 10 Mar 2009 09:13:29 -0700 (PDT); Tom, Make sure you load the amp heavy...even if it reduces power slightly...real slightly. I have had an AL80A which is the SB-1000 and it is a good amp...very good. Just load it heavy Lee - K0WA T; /archives//html/Amps/2009-03/msg00281.html (9,781 bytes)
36. Re: [Amps] Tuning my SB-1000 (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 11 Mar 2009 06:36:24 -0700 (PDT); Let me make some points here.... Do not go over 400 mills with this amp. The tube is rated for 400 mills, but you can do 500 mills but you will shorten the tube's life. This tube, operated correctl; /archives//html/Amps/2009-03/msg00305.html (9,273 bytes)
37. Re: [Amps] 3-500Z's: Brand ?? (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Sat, 6 Jun 2009 04:41:39 -0700 (PDT); I year ago, I purchase a set of Taylor tubes. They have held up well and have had not issues with them. There are 3-500zs on Ebay but you never know what you are getting. They are either used or ol; /archives//html/Amps/2009-06/msg00019.html (7,822 bytes)
38. Re: [Amps] Autek Research WM-1 wattmeter (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Sat, 10 Oct 2009 08:47:31 -0700 (PDT); Mr. Carter is right, If you cannot find the problem you will not get much help from Autek. I had to junk my Autek because the board went bad. There was no fix except to buy a new one. That is not my; /archives//html/Amps/2009-10/msg00169.html (7,412 bytes)
39. Re: [Amps] Good amp to buy (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 29 Jan 2010 10:36:59 -0800 (PST); Bill I too like the AL-82 and have not trouble with mine. But, I run mine in conservative mode and not full throttle. Nice amp, but like all amps they need to be tuned properly. The QRO-2000 is a nic; /archives//html/Amps/2010-01/msg00434.html (9,172 bytes)
40. Re: [Amps] Good amp to buy (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 29 Jan 2010 12:08:13 -0800 (PST); Carl and all those who are reading this thread (AL-82), With your range of experience, I am not going to contest any point you have made. I always thought the SB-220 (a good amp) was a big trade off; /archives//html/Amps/2010-01/msg00444.html (10,594 bytes)

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