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1. [Amps] Daiwa VHF amplifiers (score: 1): Author: msole@loxinfo.co.th (Martin Sole); Date: Mon, 2 Dec 2002 13:36:07 +0700; I have two faulty Daiwa 2m amplifiers, LA-2080H and LA-2155H. I have no data on these nor have I been able to locate any. Wonder if anybody has schematics that they would be willing to copy for me? T; /archives//html/Amps/2002-12/msg00018.html (6,297 bytes)
2. Hetaer volts, was RE: [Amps] Which 3-500Z (score: 1): Author: msole@loxinfo.co.th (Martin Sole); Date: Thu, 29 Aug 2002 08:51:41 +0700; Rich, 'Singapore where they have 100v/200v, 50Hz' Really?, I was there last week and it measured 236V (ish). Seem to remember it's always been about that but I can only go back about 14 years. I reca; /archives//html/Amps/2002-08/msg00317.html (8,516 bytes)
3. Heater volts, was RE: [Amps] Which 3-500Z (score: 1): Author: msole@loxinfo.co.th (Martin Sole); Date: Thu, 29 Aug 2002 19:01:37 +0700; Hi Rich, No it's 50Hz. Being an ex British colony they have kept much from that time. Actually they are one of the few places I'm aware of that use the UK square three pin AC plugs and sockets, in ad; /archives//html/Amps/2002-08/msg00323.html (9,864 bytes)
4. Heater volts, was RE: [Amps] Which 3-500Z (score: 1): Author: msole@loxinfo.co.th (Martin Sole); Date: Thu, 29 Aug 2002 21:25:55 +0700; Hi Steve, Not seen any in China, there they look like they have two flat pins angled about 30 degrees and a central earth pin. Layout a bit like UK but thin flat pins, I think this might be like Aust; /archives//html/Amps/2002-08/msg00331.html (8,073 bytes)
5. [Amps] Power meter calibration (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Mon, 6 Oct 2003 16:40:06 +0700; Apologies if this is not really amps but lots of wise old owls on here methinks. I have built a power meter, to measure the power out of my amplifier, hopefully that keeps this on track. I have a que; /archives//html/Amps/2003-10/msg00043.html (6,896 bytes)
6. [Amps] Henry 2K-4 (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Thu, 29 Jan 2004 10:46:15 +0700; Hi, Does anybody have, or know where I can find a downloadable copy of the 2K-4 manual? 73's Martin, HS0ZED _______________________________________________ Amps mailing list Amps@contesting.com http:; /archives//html/Amps/2004-01/msg00331.html (6,149 bytes)
7. [Amps] Emtron DX3 protection triggering (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Sun, 30 May 2004 17:51:14 +0700; Hi, A very good friend has an Emtron DX3 which works very well and with which he is extremely happy. There is however an issue which we believe is related not so much to the amplifier as the driving; /archives//html/Amps/2004-05/msg00268.html (7,182 bytes)
8. [Amps] Alpha 77 (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Fri, 4 Jun 2004 10:08:47 +0700; Hi, A friend and I will next week be resurrecting a 77, not sure which variant yet. As we understand it, it has sat unused for something like 10 to 15 years. Anybody on here that has good 77 experien; /archives//html/Amps/2004-06/msg00012.html (6,300 bytes)
9. [Amps] Ameritron ALS-500M repair (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Sat, 12 Jun 2004 16:52:10 +0700; I am about to start replacement of the transistors in an ALS-500M. One transistor in each of the two pairs appears to be open circuit base to emitter. Base to collector on the bad devices and both ju; /archives//html/Amps/2004-06/msg00068.html (6,642 bytes)
10. [Amps] ALS-500M fixed, thanks (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Wed, 16 Jun 2004 10:49:18 +0700; Well the ALS-500M is now working again with a new set of transistors. The output power seems a little on the low side, about 360 watts but maybe the devices are slightly lower gain, hard to know. The; /archives//html/Amps/2004-06/msg00075.html (6,953 bytes)
11. [Amps] Alpha 77 capacitor help (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Wed, 16 Jun 2004 10:55:20 +0700; Some weeks a go I mentioned an Alpha 77 that a friend and I were going to check out. In examining it we paid attention to the comments made by others on here about what to look for, in particular the; /archives//html/Amps/2004-06/msg00076.html (7,211 bytes)
12. [Amps] Chinese tube production (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Mon, 17 Jan 2005 11:06:17 +0700; I just returned from a visit to China. One of the guys I got talking to at the place of work is a keen tube Hi-Fi guy. From what he was showing me on some Chinese web pages they do a lot of home cons; /archives//html/Amps/2005-01/msg00316.html (7,341 bytes)
13. Re: [Amps] Bird Element Calibration? (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Thu, 24 Mar 2005 21:21:05 +0700; A very good point which raises the question: In terms of overall communcations effectiveness this means what? --Original Message-- From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.co; /archives//html/Amps/2005-03/msg00543.html (9,286 bytes)
14. [Amps] Alpha 78, new? (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Tue, 31 May 2005 17:27:14 +0700; Hi, Well it's new to me anyway. More interesting, no chimneys, blower mounting scrtews still in place, ends of power cord stripped and tinned but no evidence of any screw pressure, R111 the plate ove; /archives//html/Amps/2005-05/msg00323.html (7,001 bytes)
15. [Amps] Alpha 78 pictures (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Tue, 31 May 2005 19:56:07 +0700; I just put some pictures of my 'new' 78 on my web page at http://www.qsl.net/hs0zed/Alpha78/alpha78.html 73 Martin HS0ZED _______________________________________________ Amps mailing list Amps@contes; /archives//html/Amps/2005-05/msg00324.html (6,763 bytes)
16. [Amps] Toms tubes? (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Mon, 13 Jun 2005 21:18:35 +0700; Web site appears to have disappeared. Any ideas? _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2005-06/msg00087.html (6,097 bytes)
17. [Amps] Alpha 78 rebuild, some questions. (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Sat, 23 Jul 2005 19:57:13 +0700; A short while ago I acquired 2 Alpha 78 amplifiers. Both were pretty dirty and in need of some serious attention. One of these amplifiers is now cleaned up and working, sort of, it puts out about 130; /archives//html/Amps/2005-07/msg00271.html (8,697 bytes)
18. [Amps] Alpha 78 rebuild, some answers and more questions (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Mon, 25 Jul 2005 22:11:48 +0700; A great response with some good ideas about measuring the airflow. Several mentioned the method proposed by G3SEK and I see there were a couple of Radcomn articles in 97 about airflow, unfortunately; /archives//html/Amps/2005-07/msg00307.html (10,880 bytes)
19. [Amps] Another metalwork question (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Tue, 2 Aug 2005 14:46:42 +0700; Well it is actually amp related, or will be at some point I hope but seeing how there is a great wealth of resource here it seems a good place to start. Some time back I recall seeing an article, mig; /archives//html/Amps/2005-08/msg00033.html (6,896 bytes)
20. Re: [Amps] Wrong Business (score: 1): Author: "Martin Sole" <msole@loxinfo.co.th>; Date: Fri, 5 Aug 2005 23:09:15 +0700; I don't think the dizzing heights of this bizarre phenomena have yet been scaled in this thread so may I offer for your very serious perusal http://www.triodeandco.com/04us_prices.html Actually and s; /archives//html/Amps/2005-08/msg00179.html (17,222 bytes)

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