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1. [Amps] Converting T/R Relay to Vacuum Relays (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 6 Mar 2007 09:28:21 -0800 (PST); Hello... I have an Ameritron AL80A that is working just great. Yes, I do not load it over 400 mills either. Well, I am tired of the "clanky" relay that the amp uses for T/R sequence and have been loo; /archives//html/Amps/2007-03/msg00116.html (7,574 bytes)
2. [Amps] Source of RF Reed Relays (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 7 Mar 2007 06:15:44 -0800 (PST); Does anyone have a source for 12 volt RF Reed Relays? SPDT? One NC the other NO? Lee Buller K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense -; /archives//html/Amps/2007-03/msg00136.html (6,410 bytes)
3. [Amps] LK450 Mod (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Mon, 9 Apr 2007 19:21:19 -0700 (PDT); Does anyone have the information to put an LK-450 on 10 meters? I have a friend who just got one at a hamfest and it does not have 10 meters installed in the AUX position. Lee - K0WA In our day and a; /archives//html/Amps/2007-04/msg00043.html (6,348 bytes)
4. Re: [Amps] Aluminum Panel Source (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 10 Apr 2007 12:19:37 -0700 (PDT); Good idea about going with signs. I tried that a couple of years ago, but the yard man made money recycling the signs to the scrapper. When I talked with the scrapper about the signs he wanted list p; /archives//html/Amps/2007-04/msg00059.html (6,925 bytes)
5. [Amps] AL80A and SB1000 Question (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 21 Sep 2007 09:34:18 -0700 (PDT); Question..... I know the AL80A and the SB1000 are "identical" amps. How close are they? I have been looking at the schematics and find very little variations. Anyone want to venture an opinion? Looks; /archives//html/Amps/2007-09/msg00221.html (6,752 bytes)
6. [Amps] T/R schemes in Homebrew Amps (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 18 Oct 2007 06:13:19 -0700 (PDT); Just a simple question.... What are most of you homebrew amp builders using for TR switching in amps? PB relays? Vacuum Relays? PIN diodes? If you are using Vacuum Relays....and are using surplus one; /archives//html/Amps/2007-10/msg00209.html (7,140 bytes)
7. [Amps] LK450 Mods (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Mon, 19 Nov 2007 08:06:04 -0800 (PST); Is there anywhere on the Web were thre is a list of modifications for the LK450? Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get; /archives//html/Amps/2007-11/msg00274.html (6,841 bytes)
8. [Amps] Questions about Amps/Tubes/Design (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Sat, 15 Mar 2008 08:46:05 -0700 (PDT); I am looking for a second amplifier. I have some questions.... 1. Why are there very few AL-82 amps for sale on the used market? Either they are turkeys or great amps. I think they might be a great a; /archives//html/Amps/2008-03/msg00131.html (8,034 bytes)
9. [Amps] Modification of AL80A T/R Switch (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 25 Mar 2008 08:10:30 -0700 (PDT); I have a venerable AL80A which I do like very much. Clean and does very good service. I hate the relay clunk from the T/R relay. I am now putting in a GH-3 Gigavac relay for the output. Got a nice de; /archives//html/Amps/2008-03/msg00254.html (8,375 bytes)
10. [Amps] Finding HF Amps (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 26 Mar 2008 14:30:38 -0700 (PDT); Anyone know out there know of a Alpha 76A or PA or CA for sale? Or, something similar? Lee Buller K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common S; /archives//html/Amps/2008-03/msg00285.html (7,030 bytes)
11. Re: [Amps] SB220 "A" mods (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 28 Mar 2008 06:10:58 -0700 (PDT); And...... You might look at the following after understanding the amp fully....... Removing the grounded grid circuitry and just grounding the grids. After all, it is a grounded grid amp. Re-engineer; /archives//html/Amps/2008-03/msg00306.html (7,821 bytes)
12. [Amps] Where do you buy tubes (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 2 Apr 2008 14:30:33 -0700 (PDT); I am wondering where you buy tubes like 3CX800A7 or the 3CPX800A7. Cannot seem to locate a jobber for these. Don't want to go with ebay! Thanks. Lee -K0WA In our day and age it seems that Common Sens; /archives//html/Amps/2008-04/msg00052.html (7,101 bytes)
13. [Amps] Opinion on the AL800? (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 3 Apr 2008 06:25:19 -0700 (PDT); Does anyone have any experience with the AL-800 - single tube amp from Ameritron? Good - Bad - Indifferent? Seems to be on the lines of the Commander 1250. Glowing reports on Eham - all five of them; /archives//html/Amps/2008-04/msg00072.html (6,662 bytes)
14. [Amps] Bias Scheme (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 10 Apr 2008 18:38:38 -0700 (PDT); Several years ago, there was an article about using a 2N3055 as a switching transistor in the B- of a linear amp. The 2N3055 or it could have been a TIP49, was used to act as a "relay" when the trans; /archives//html/Amps/2008-04/msg00160.html (7,184 bytes)
15. Re: [Amps] Bias Scheme (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 10 Apr 2008 19:24:50 -0700 (PDT); I am not thinking about EBS.... I am looking for a way to turn on the amp without using a relay. Like an optoisolator driving a transistor which would then turn on the amp. It was not a "pass" transi; /archives//html/Amps/2008-04/msg00162.html (7,358 bytes)
16. [Amps] Ten Tec Titan 425 Production Changes (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 16 Apr 2008 12:21:31 -0700 (PDT); I am looking at getting a Ten Tec Titan 425, but I have discovered that TT made modifications to the amp as they were produced but did not change the number or add a letter. I think there were at lea; /archives//html/Amps/2008-04/msg00220.html (7,222 bytes)
17. [Amps] Dentron DTR 2000L Linear (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 23 Apr 2008 09:57:40 -0700 (PDT); What does anyone know about the Dentron DTR 2000L amp? Seems to be straight forward amp. Good? Bad? Ugly? Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't hav; /archives//html/Amps/2008-04/msg00272.html (6,545 bytes)
18. Re: [Amps] HF Autoband AMp Prefences (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 23 Apr 2008 14:25:32 -0700 (PDT); HMMMMM....... Have you looked at the price? Wow! Not on my ham radio budget! Which give me pause as to where prices are going! Up! Way up. I think everything will get pricey if it has already. Everyt; /archives//html/Amps/2008-04/msg00277.html (7,915 bytes)
19. Re: [Amps] Painting xfmrs (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Mon, 5 May 2008 13:22:43 -0700 (PDT); Why would you want to paint it if it will be in a box and not one sees it? Really, Why bother? Dust it off...use some 409 cleaner on it....and be done with it. Unless, you are like those guys with th; /archives//html/Amps/2008-05/msg00052.html (7,764 bytes)
20. Re: [Amps] New Amps at Dayton (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 20 May 2008 07:35:20 -0700 (PDT); The amps looked very nice.... Lee - K0WA 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 use it. If you can't find any; /archives//html/Amps/2008-05/msg00128.html (7,585 bytes)

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