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Total 254 documents matching your query.

181. [Amps] Items FS (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 7 Sep 2012 19:41:12 +0800
My friend and I have some item for sale: RF Choke:Item 170901549149;GU-81M cap:Item 271043583561;brand new GU-81M socket: Item 271049355124;SK300 socket for 4CX5000/10000: Item 271043583581 73!Hsu __
/archives//html/Amps/2012-09/msg00108.html (6,531 bytes)

182. Re: [Amps] 8877 (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 16 Nov 2012 17:11:40 +0800
Beijing Jenerator NOT a manufacturer. it is a distributer.Very smaill company Curious to know if anyone has specific knowledge of which of the Chinese 8877 manufacturers are known for good tubes, and
/archives//html/Amps/2012-11/msg00103.html (8,021 bytes)

183. [Amps] 4CX250B FS (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Wed, 19 Dec 2012 00:26:51 +0800
Hi I have 100+ brand new 4CX250Bs , quantities buyer would welcome,Best offer Please. 73!Hsu _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contest
/archives//html/Amps/2012-12/msg00101.html (6,587 bytes)

184. Re: [Amps] most power (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 23 Dec 2012 14:14:50 +0800
A guy, from Nethelands own a 4CX15000 30kW amp, he in this reflector too. 73!Hsu-- From: Herzog Sent: Sunday, December 23, 2012 11:16 AM To: Ham-amps Subject: [Amps] most power Qatar has a 20 kw tran
/archives//html/Amps/2012-12/msg00145.html (7,538 bytes)

185. Re: [Amps] New 4-1000 Tubes ? (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Mon, 7 Jan 2013 22:32:17 +0800
Why few amp manufacturer use GU-81M,?it is cheap and rugged. -- From: Alex Gavva Sent: Sunday, January 06, 2013 5:02 PM To: Carl Cc: amps@contesting.com Subject: Re: [Amps] New 4-1000 Tubes ? Hello C
/archives//html/Amps/2013-01/msg00056.html (10,055 bytes)

186. [Amps] GU-81 GG configurtion (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 15 Jan 2013 01:06:37 +0800
Hello, Does anyone have built Grounded-grid GU-81 amplifier?how many driving power it needs? Grounded-grid=ALL grid tied together,not Class AB1 cathoude driven. 73!Hsu _______________________________
/archives//html/Amps/2013-01/msg00082.html (6,805 bytes)

187. [Amps] Relay replace band switch; (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 22 Jan 2013 11:18:26 +0800
I found a inexpensive HV relay, maybe can repalce band switch in linear amplifier, it much cheaper than vacuum relay Here is link But it seems bigger, who know similar priducts but smaller? Hsu _____
/archives//html/Amps/2013-01/msg00123.html (6,851 bytes)

188. Re: [Amps] 813 efficiency (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 22 Feb 2013 09:57:29 +0800
THis is a solution http://www.cqham.ru/HiFi_Contester_EX8A.htm Hsu -- From: Mike Lord Sent: Thursday, February 21, 2013 4:18 AM To: amps@contesting.com Subject: [Amps] 813 efficiency Some time ago (m
/archives//html/Amps/2013-02/msg00181.html (8,689 bytes)

189. Re: [Amps] 813 efficiency (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 22 Feb 2013 23:02:21 +0800
I can not read Russian too, I use google translate. Im planing to build a GU-81M G-G amplifer what coverage 160m to 6m by this way( only one tube, not a pair, I know If a pair ytube can not work on 6
/archives//html/Amps/2013-02/msg00189.html (8,845 bytes)

190. [Amps] Chinese new amplifeir, new killer (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 3 Mar 2013 08:49:47 +0800
We will bring our new 2000W amplifier prototypes to Dayton, these amplifiers with 4.3 inch colour TFT LCD, the price: manual:$2700, auto tune : $3800! 73!Hsu _________________________________________
/archives//html/Amps/2013-03/msg00031.html (6,775 bytes)

191. [Amps] Looking for HL-1K( not HL-1KFX) amplifier (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 3 Mar 2013 20:20:35 +0800
My friend of mine is looking for a small PA for DX expedition, I recommended HL-1K(4CX250BX2).but he can not find it out. Anyone want sell this PA? Any condtion( dead or alive) would be welcom), trad
/archives//html/Amps/2013-03/msg00033.html (6,787 bytes)

192. Re: [Amps] Transformer choice (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 5 Mar 2013 05:09:41 +0800
I just order a 2kVA toroid , OD=200mm, H=130mm weight over 20kg, Price=$180 I would not consider 11 kg to be close to a 2kVA CCS transformer. The AL-1200/1500/82 Dahl is 15 kg and that is ICAS (2570V
/archives//html/Amps/2013-03/msg00058.html (12,776 bytes)

193. [Amps] Samlpe amplifier for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 17 Mar 2013 08:52:03 +0800
We will bring our new manual /atuotune amplifiers to Dayton in May, and we will not bring the PAs back in USA. A guy order manual one , still left a auto tune PA . when the Dayton Hamvention close, t
/archives//html/Amps/2013-03/msg00227.html (7,256 bytes)

194. [Amps] Some thoughts about FL-2100 and SB-200 work in 6m (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 23 Mar 2013 00:09:18 +0800
A few month ago, I have discuss with a friend about a pair 572Bs work in 6m,in usually, the people don't think some PAs like FL-2100 and SB-200 what with 2X572Bs can not work in 160(80)m-6m, 6m only.
/archives//html/Amps/2013-03/msg00286.html (10,866 bytes)

195. Re: [Amps] Source for good 572B's tubes? (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 23 Mar 2013 10:29:32 +0800
There is only a 572B's manufactorer in China. That means if you purchase Chinese 572B,even diffirence logo,but same quality.another option ,Russian 572B, but I heard of that tube can not fit RF servi
/archives//html/Amps/2013-03/msg00292.html (8,198 bytes)

196. Re: [Amps] Millen HV connectors - cable? (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Wed, 17 Apr 2013 12:12:48 +0800
$10 have 100% profit.in taobao, only quote $5/pair I strongly recommend against using Millen HV connectors for homebrew construction. Although used in many commercial designs several decades ago, no
/archives//html/Amps/2013-04/msg00146.html (10,445 bytes)

197. Re: [Amps] Millen HV connectors - cable? (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Wed, 17 Apr 2013 13:28:55 +0800
I'm sure this BNC HC connector is you mentioned http://item.taobao.com/item.htm?spm=2013.1.0.100.TuWgza&scm=1007.77.1.0&id=13746609597&pvid=b3f2095e-4622-4811-9e8c-5cbe854d14a7&ad_id=&am_id=&cm_id=&p
/archives//html/Amps/2013-04/msg00148.html (10,933 bytes)

198. Re: [Amps] 572B tubes (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 2 May 2013 14:29:57 +0800
$49/for a pair is cann't be. Here quote $60/a pair in China. Hi Jim Yep, saw those. But, really looking for a reputable seller. One guy had some on eBay for $49 for a pair. But, he said they were for
/archives//html/Amps/2013-05/msg00005.html (7,857 bytes)

199. Re: [Amps] GS-35B Pi Tank design (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 12 May 2013 08:16:11 +0800
I can not run GGridPA, the error: Error readingRichEdit1->Lines.strings:RichEdit Line insertion error. How to solve it? my OS is Windows 7 64bit and Windows 7 32bit. Thanks! Hi Iain, Please, check th
/archives//html/Amps/2013-05/msg00139.html (10,942 bytes)

200. [Amps] Bird 8890-300 VS 8931 (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 16 May 2013 22:34:51 +0800
Are these dumyloads use same load resistor?or if I add some extra fans, can I modify bird8930-300( with fans) 5kW dumy load to 10kW dumy load? Thanks in advance! 73!Hsu ______________________________
/archives//html/Amps/2013-05/msg00163.html (6,367 bytes)

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