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161. Re: [Amps] GI-46B in TL-922 (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Thu, 27 Jan 2011 09:30:21 +0800; Yep. Correct on all counts. Alek. From sunny Binningup, Western Australia http://www.qrz.com/db/vk6apk http://www.qrz.com/db/vk6ap == Email scanned by PC Tools - No viruses or spyware found. (Email G; /archives//html/Amps/2011-01/msg00345.html (17,741 bytes)
162. Re: [Amps] New Alpha 8410 photos + Video (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Wed, 09 Mar 2011 06:58:09 +0800; All tuners have losses. Losses create heat. You can't change physics. I guess Palstar acknowledges that fact. 73, Alek. VK6APK http://www.qrz.com/db/vk6apk http://www.qrz.com/db/vk6ap _______________; /archives//html/Amps/2011-03/msg00070.html (9,238 bytes)
163. Re: [Amps] Russian Tube Source(s)? (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Tue, 05 Apr 2011 06:34:26 +0800; Yep. Go to http://www.nd2x.net/base-1.html and scroll down to the 'Bits and pieces' links and click on the UR4LL listing. That will get you to http://www.nd2x.net/ur4ll.html That is the site of Dr Al; /archives//html/Amps/2011-04/msg00152.html (8,960 bytes)
164. Re: [Amps] Where is power measured (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Thu, 07 Apr 2011 05:11:38 +0800; Yeah, like Australia. 400W PEP! You wouldn't like that much, would you? 73, Alek. From sunny Binningup, Western Australia http://www.qrz.com/db/vk6apk http://www.qrz.com/db/vk6ap == Email scanned by; /archives//html/Amps/2011-04/msg00258.html (8,430 bytes)
165. Re: [Amps] Sockets, air, options (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sun, 17 Apr 2011 16:49:54 +0800; G'day Martin. It seems that nobody has done any quantitative research and measurement on this subject. To me, common sense would suggest that you are going to see equal or better cooling on the tube; /archives//html/Amps/2011-04/msg00465.html (11,823 bytes)
166. Re: [Amps] Blown anode choke in TL-922 (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sun, 24 Apr 2011 16:59:28 +0800; In Isaac's original description, he described hearing a bang. That means that he had 'an event'. The browning of the wires of the plate choke is not consistent with the symptoms (bang) that Isaac des; /archives//html/Amps/2011-04/msg00500.html (8,511 bytes)
167. Re: [Amps] Blown anode choke in TL-922 (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sun, 24 Apr 2011 20:44:20 +0800; Yeah. It could well be the case. A bang at 3kV always makes for a memorable event. He'll be standing back and using a long broom handle to throw that switch for the next few times, I bet. Ha ha. 73 f; /archives//html/Amps/2011-04/msg00503.html (11,762 bytes)
168. Re: [Amps] 4CX1000 value? (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Mon, 16 May 2011 15:13:44 +0800; They are $410.00 at http://www.vacuumtubes.net/prices.htm so I guess $250 upwards would be a good price. 73, Alek and Sam. VK6APK and VK6/SM3DYU http://www.qrz.com/db/vk6apk http://www.qrz.com/db/vk6; /archives//html/Amps/2011-05/msg00123.html (7,892 bytes)
169. Re: [Amps] 4CX1000 value? (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Mon, 16 May 2011 17:32:30 +0800; Nah, the 8295A is a pentode. Different animal completely to the 4CX1000. I've given away 4 or 5, 8295A tubes over the last few years. All to worthy homes. 73, Alek. http://www.qrz.com/db/vk6apk http:; /archives//html/Amps/2011-05/msg00126.html (11,331 bytes)
170. Re: [Amps] 4CX1000 value? (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Tue, 17 May 2011 05:46:41 +0800; There is also the 8432 which is identical in every regard to the 9295A except that the contact ring is smaller and so the SK184 needs to be modified slightly to accommodate this. That also has nothin; /archives//html/Amps/2011-05/msg00136.html (14,931 bytes)
171. Re: [Amps] al-811 wont transmit (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sun, 19 Jun 2011 08:22:09 +0800; In the land downunder we say RTFM. Still, nobody does it, even after their wife tells them to. We are male after all. 73, Alek. From sunny Binningup, Western Australia http://www.qrz.com/db/vk6apk ht; /archives//html/Amps/2011-06/msg00227.html (11,964 bytes)
172. [Amps] Filament Suppy, Info for G8WRB (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sun, 03 Jul 2011 08:49:15 +0800; David, I've deleted the emails on the switchmode filament supply thread but here is some info which may or may not be helpful. Go to http://f1frv.free.fr/ Scroll down to AMPLIFIERS SLOW RISE HEATER R; /archives//html/Amps/2011-07/msg00005.html (7,007 bytes)
173. Re: [Amps] GS35b FWB issue (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Tue, 12 Jul 2011 06:01:42 +0800; Yep. My mate, VK6WF, had a similar problem with his 4-1000a power supply. There was insulation breakdown between the secondary and a grounded electrostatic shield in the hv transformer. It had worked; /archives//html/Amps/2011-07/msg00119.html (8,999 bytes)
174. Re: [Amps] 4-1000 (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sun, 17 Jul 2011 06:24:56 +0800; For a little more, you can take a risk on ebay item 130545179195. I wouldn't but you may. 73, Alek VK6APK From sunny Binningup, Western Australia http://www.qrz.com/db/vk6apk http://www.qrz.com/db/vk; /archives//html/Amps/2011-07/msg00191.html (7,953 bytes)
175. Re: [Amps] Tube socket with Chock? (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sat, 06 Aug 2011 17:24:09 +0800; Ha ha ha. That is so funny. I, being of southern European heritage, can explain that one easily. The guy is probably of foreign descent and is not too clued up on what he has. He would have asked som; /archives//html/Amps/2011-08/msg00012.html (7,736 bytes)
176. Re: [Amps] 3-500 z...g Impressions? (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sat, 06 Aug 2011 07:01:02 +0800; They are ALL from the same factory in China. I believe that Hsu can confirm this. It doesn't matter which one/s you buy. They are all excellent. 73, Alek. VK6APK -- http://www.qrz.com/db/vk6apk http:; /archives//html/Amps/2011-08/msg00036.html (8,219 bytes)
177. Re: [Amps] Alpha 76a (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Tue, 13 Sep 2011 07:36:46 +0800; So, you are saying that, if you push it really hard, then it will easily achieve Thailand's 200W PEP limit? Plus headroom. :-) :-) 73, Alek. VK6APK. -- http://www.qrz.com/db/vk6apk http://www.qrz.com; /archives//html/Amps/2011-09/msg00045.html (8,727 bytes)
178. Re: [Amps] 811A (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Tue, 20 Sep 2011 07:20:02 +0800; Yeah, many years ago, I used to enjoy going around to visit Jim, VK6RU (SK). He was very proud of his set of 4 RCA 811A tubes with great gaping holes in the anodes. He showed them to everybody who wo; /archives//html/Amps/2011-09/msg00127.html (9,159 bytes)
179. Re: [Amps] 811A (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Tue, 20 Sep 2011 10:29:41 +0800; Nah, sadly the band is a lot poorer without him. He had hundreds of friends around the world. A gentleman on the air and a great ambassador for our hobby. He just didn't understand or care much about; /archives//html/Amps/2011-09/msg00133.html (11,581 bytes)
180. [Amps] YC152? (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Thu, 12 Apr 2012 16:35:40 +0800; Anybody got specs for the Eimac YC152. To look at, it is a 4CX250 of some description. It is gold plated. The tube name is YC152. Below that is a horizontal line and below the line is "*PEA*R*-250"*; /archives//html/Amps/2012-04/msg00106.html (7,038 bytes)

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