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21. Re: [Amps] what is a 4 wire 240VAC service? (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Mon, 4 Apr 2011 12:05:50 +0700; And Earth is green and yellow striped. Was this all changed in line with tests done to assess the safest colours for people with colour vision difficulties? Red and black being indistinguishable for; /archives//html/Amps/2011-04/msg00069.html (10,679 bytes)
22. Re: [Amps] what is a 4 wire 240VAC service (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Mon, 4 Apr 2011 21:35:13 +0700; That was most probably done to ensure compliance once the revocation of independence comes into force. That must explain the bathroom light switches in my house here in New Hampshire, they all are on; /archives//html/Amps/2011-04/msg00093.html (9,233 bytes)
23. Re: [Amps] Transformer i.d. (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Wed, 6 Apr 2011 09:32:40 +0700; Glen, I have ECA transformers in my Henry amplifier, not sure if Alpha used them also. The plate transformer I have is an ECA1171 but the configuration sounds almost identical. Like you I had to figu; /archives//html/Amps/2011-04/msg00193.html (10,028 bytes)
24. Re: [Amps] E-manual for the Henry 2-KD Classic (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Fri, 8 Apr 2011 09:32:45 +0700; Bruce, I think I scanned my Classic manual and put it on BAMA. It says on the front it is for the 2K-Classic, Classic X and the 2KD Classic. The RF diagram is the same for all three but there are 3 d; /archives//html/Amps/2011-04/msg00295.html (8,147 bytes)
25. [Amps] Sockets, air, options (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Sat, 16 Apr 2011 16:19:56 +0700; Okay, a little background to begin with. I have a Henry 2K Classic X, 2x3-500 tubes and a reasonably substantial power supply. It is the eXport model with the heavier duty power supply components and; /archives//html/Amps/2011-04/msg00456.html (9,148 bytes)
26. [Amps] 4CX1000 value? (score: 1): Author: hs0zed@csloxinfo.com; Date: Mon, 16 May 2011 12:58:17 +0700; What would be the likely value for a new sealed zero hours 4CX1000 tube? Thanks Martin, HS0ZED _______________________________________________ Amps mailing list Amps@contesting.com http://lists.conte; /archives//html/Amps/2011-05/msg00120.html (6,977 bytes)
27. Re: [Amps] 4CX1000 value? (score: 1): Author: hs0zed@csloxinfo.com; Date: Mon, 16 May 2011 15:19:03 +0700; Oh, $2400! That sounds a lot, Is the 8295A a special replacement for the 4CX1000? I'd like to get a fair estimate as I have been offered a new sealed in the bag Eimac one and want to offer a fair pri; /archives//html/Amps/2011-05/msg00125.html (9,906 bytes)
28. Re: [Amps] 4CX1000 value? (score: 1): Author: hs0zed@csloxinfo.com; Date: Wed, 18 May 2011 18:27:05 +0700; Okay guys, think I have it now, and all understood about the different tube types, just sort of made me wonder for a minute. The long and short of this story, I'm offered a 30S-1 as a gift but must b; /archives//html/Amps/2011-05/msg00144.html (19,613 bytes)
29. Re: [Amps] Hammond HL-2000A (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Sun, 29 May 2011 00:06:21 +0700; I'd add one thing to the points already mentioned. I get the impression that there are less of these about than some of the other similar specced amps from Drake Heathkit and the like, coupled with t; /archives//html/Amps/2011-05/msg00268.html (9,942 bytes)
30. Re: [Amps] FW: [Boatanchors] Best Boatanchor 160-10m Receivers for SSB? (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Sun, 5 Jun 2011 10:34:31 +0700; Martin, HS0ZED Best to lesser perferred SB300 or SB301 Drake 1A or 2B equally good for SSB but the 1A does not receive AM R599 is a good one but foreign made Bill ____________________________________; /archives//html/Amps/2011-06/msg00047.html (10,303 bytes)
31. Re: [Amps] Replacement faceplates for ETO Alphas?? (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Thu, 18 Aug 2011 13:21:49 +0700; I had a black faceplate on one of my Alpha 78's. I don't think it was an OEM panel as it required some filing around the meter opening to fit. Some of the lettering was also less than perfectly space; /archives//html/Amps/2011-08/msg00080.html (9,842 bytes)
32. Re: [Amps] URGENT - suggested prices for 4CX5000A , SK-300 in Europe? (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Wed, 22 Feb 2012 16:48:29 +0700; What might the rebuild cost for such tubes be? Presumable way below new otherwise it would seem hardly worth the effort. Can the 10000 series, 3CX, 4CX, also be rebuilt. Martin, HS0ZED --Original Mes; /archives//html/Amps/2012-02/msg00246.html (12,059 bytes)
33. [Amps] FW: AL572B, a little more help please. (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Sat, 25 Feb 2012 09:23:27 +0700; I asked this elsewhere but got no feedback. Maybe my questions are unclear, or just plain too dumb! This AL572B had 2 bad tubes, a blown grid resistor, and a failed 3055 bias transistor. I figured ou; /archives//html/Amps/2012-02/msg00257.html (8,531 bytes)
34. Re: [Amps] FW: AL572B, a little more help please. (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Sat, 25 Feb 2012 10:13:31 +0700; Then you didn't get my question, I obviously worded it badly. What to do when I have RF, I have what I think it the right bias volts going to the cathodes and yet I have NO idle current. Martin, HS0Z; /archives//html/Amps/2012-02/msg00261.html (10,890 bytes)
35. Re: [Amps] gettering question (score: 1): Author: hs0zed@csloxinfo.com; Date: Wed, 28 Mar 2012 23:54:36 +0700; A little caution when 'pulling a few turns'. The choke can be resonant around 25MHz and 'pulling a few turns' will undoubtedly raise it. The risk is that it could become a little toasty if you use th; /archives//html/Amps/2012-03/msg00307.html (12,012 bytes)
36. Re: [Amps] Cheap auxiliary amp cooling (score: 1): Author: hs0zed@csloxinfo.com; Date: Sat, 31 Mar 2012 00:26:33 +0700; I have a bit of a problem understanding this too. Maybe I'm missing something but of all the amps I own they all draw only filament power when not transmitting. As soon as I start transmitting I'm sp; /archives//html/Amps/2012-03/msg00366.html (12,231 bytes)
37. Re: [Amps] 3CX400U7 in Alpha Linear? (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Thu, 28 Jun 2012 15:04:23 +0700; Jerry, I've seen the U7 tubes on occasion but whilst cheaper than the A7 8874 variant I'm not sure they are really any more plentiful. How many sets of tubes do you expect to get through in say 20 ye; /archives//html/Amps/2012-06/msg00435.html (10,216 bytes)
38. Re: [Amps] 8877 operation at 2KV anode voltage? (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Fri, 3 Aug 2012 10:00:58 +0700; I think the 8877 would be about the best of the possible choices, if it can be made to work. More effort required than a pair of 3CX800's but I think 8877 availability and relative costs will make it; /archives//html/Amps/2012-08/msg00069.html (10,387 bytes)
39. Re: [Amps] 3CX1500A7 pulled from MRI (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Fri, 3 Aug 2012 10:12:56 +0700; And in most third world countries such as here, second hand hardware is pretty much a no no. The problem is it is so cheap, even free, that those in decision making positions can't make enough on the; /archives//html/Amps/2012-08/msg00070.html (10,670 bytes)
40. Re: [Amps] 300 W single band mobile amp needed (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Mon, 8 Oct 2012 10:16:06 +0700; Hmm, This could explain a lot! right next to our heads. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2012-10/msg00055.html (8,722 bytes)

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