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Total 254 documents matching your query.

161. [Amps] 4CX1000A/FU-100F FS (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 12 Feb 2012 20:29:58 +0800
Item number: 270913173662 and 270913172950, These tubes are made By Jingguang, the best Chinese 4CX1000A/FU-100F. _______________________________________________ Amps mailing list Amps@contesting.com
/archives//html/Amps/2012-02/msg00104.html (6,457 bytes)

162. [Amps] 3CX2500A3 for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Mon, 13 Feb 2012 12:42:42 +0800
Item number: 270913838848 _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2012-02/msg00120.html (6,345 bytes)

163. [Amps] Looking for Bird LC connector(male) (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Mon, 13 Feb 2012 23:45:03 +0800
I have a Bird 8890-300 Dumy load, looking for LC connector. 73!Hsu _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/a
/archives//html/Amps/2012-02/msg00123.html (6,331 bytes)

164. Re: [Amps] URGENT - suggested prices for 4CX5000A , SK-300 in Europe? (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Wed, 22 Feb 2012 16:50:23 +0800
I just sold a pair in ebay ,USD300/pair.But these need to repair.I think it worth $200-300 if in good cndx. I had contact with the socket manufacturer in China , they quote $900! 73!Hsu See what the
/archives//html/Amps/2012-02/msg00245.html (10,785 bytes)

165. Re: [Amps] 833A/GU-48 x4 Amp support (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Mon, 27 Feb 2012 05:11:52 +0800
I don't think 833A is a good option.As it have long electrode and bad freqence response. I'm afraid it can not work in 20m in 4X parallel(self-oscillation). 3CX3000A7/F7 is better. But if you use ACO
/archives//html/Amps/2012-02/msg00270.html (8,462 bytes)

166. Re: [Amps] 833A/GU-48 x4 Amp support (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 28 Feb 2012 06:24:10 +0800
$35 is inexpensive? Tubes are cheap but not even my son who travels all over Eastern Europe cant find cheap sockets. Carl KM1H _______________________________________________ Amps mailing list Amps@c
/archives//html/Amps/2012-02/msg00301.html (12,469 bytes)

167. Re: [Amps] 833A/GU-48 x4 Amp support (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 28 Feb 2012 07:30:51 +0800
I've order some fixed vacuum cap mounting hardwares for myself. order from workshop direct,accordind my design, very inexpensive. Then there's fixed vacuum cap mounting hardware--unbelievable. Rob K5
/archives//html/Amps/2012-02/msg00305.html (9,369 bytes)

168. Re: [Amps] 833A/GU-48 x4 Amp support (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 28 Feb 2012 08:03:44 +0800
I live nearby one of FU-81's(Chinese GU-81M) maunfacturer, the distance only 300 mtrs , they made FU-81 in end of 1950s or early 1960s. Stop in 1980s. all materials /dies are missed . In 1990s , a bu
/archives//html/Amps/2012-02/msg00306.html (14,829 bytes)

169. Re: [Amps] 4 x GU-81 Grounded Grid Penthodes (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Wed, 29 Feb 2012 09:33:28 +0800
4XGU-81 in GG maybe need 300W driving power or more. GU-81 seems not good in 15m or higher band.But I have no experience on it. 73!Hsu As the suppressor grid is normally grounded and serves as a shie
/archives//html/Amps/2012-02/msg00330.html (10,873 bytes)

170. [Amps] GU-81M (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 1 Mar 2012 10:22:33 +0800
Some picture about Chinese GU-81M China made many GU-81Ms in end of 1950s to 1970s.It was called FU-81 . Here are some pictures: New socket http://www.zmdz.com/bbs/incomefiles/20123/19535994724.JPG a
/archives//html/Amps/2012-02/msg00346.html (10,413 bytes)

171. Re: [Amps] 8877 Amplifier Photos (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 2 Mar 2012 16:14:54 +0800
It seems use a pot anda digtal pannel meter as counter is that right? What POT do you use?I 'm designing my big amp what used a 4CX5000R, I use a long life Plastic Pot( 30 million times) and LCD pann
/archives//html/Amps/2012-03/msg00026.html (7,654 bytes)

172. Re: [Amps] looking for a ceramic socket from trustworthy source (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 23 Mar 2012 13:43:16 +0800
There are some sockets sellers on ebay. These factory news ockets are made in China , It is usuable but no good. the best Chinese sockets is NOS/surplus. what is diffreece? please see the rivet, the
/archives//html/Amps/2012-03/msg00246.html (8,420 bytes)

173. Re: [Amps] Chinese Caps Defective @ RF (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 24 Mar 2012 14:56:57 +0800
I think these caps widely use in static dust catcher/spray-paint, NOT for high RF current ! Well I had another Chinese cap blow up on me in my 8877 amplifier. I had 3ea 1000PF 12KV caps in parallel f
/archives//html/Amps/2012-03/msg00249.html (9,365 bytes)

174. [Amps] special offer : 10 units amplifiers for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 22 Apr 2012 08:37:17 +0800
10 units amplfier in my stock:2 manual+8 auto tune. 2000W out put, tube FU-728F. Auto tune: $5000;Manual: $3000, not include shipping. more info, please contact with me off line. It will be end in 30
/archives//html/Amps/2012-04/msg00208.html (6,554 bytes)

175. Re: [Amps] special offer : 10 units amplifiers for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 24 Apr 2012 23:22:24 +0800
It seems I made a mistake. it is 30 Apr. 10 units amplfier in my stock:2 manual+8 auto tune. 2000W out put, tube FU-728F. Auto tune: $5000;Manual: $3000, not include shipping. more info, please conta
/archives//html/Amps/2012-04/msg00227.html (7,668 bytes)

176. Re: [Amps] special offer : 10 units amplifiers for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 24 Apr 2012 23:25:07 +0800
The pictures here http://www.zmdz.com/bbs/photobook.asp?page=1&name=DeepBlue&ClassID=0 click enlarge. It seems I made a mistake. it is 30 Apr. 10 units amplfier in my stock:2 manual+8 auto tune. 2000
/archives//html/Amps/2012-04/msg00228.html (7,839 bytes)

177. [Amps] Used 4CX5000/10000 sockets FS (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 10 Jun 2012 00:43:59 +0800
If you interested in these , please contact with me off line. Hsu _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/am
/archives//html/Amps/2012-06/msg00047.html (6,663 bytes)

178. [Amps] High Voltage Capacitor (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 14 Jun 2012 23:09:38 +0800
I just found this capacitor, http://www.taobao.com/view_image.php?spm=11029KmR.2-5*zeK.0.63&pic=Wx0GGlFDXA1VUwMBWx0SCwkNGRFcVxxQW1UcCxMFRBkDCFdVV1cRRhpXRDhHIG1qbWtYTEAxKgtdOBAXCWsDBkVdR1RFBgYV&title=
/archives//html/Amps/2012-06/msg00109.html (7,411 bytes)

179. [Amps] 4Cx3000A FS (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sun, 1 Jul 2012 20:46:51 +0800
Six EIMAC 4CX3000As ( not rebuilt), brand new, seems never used,no carton, data code is 0319,I know its offical price , but I do not know what it exact value now, best offer off line please . 73!Hsu
/archives//html/Amps/2012-07/msg00000.html (5,860 bytes)

180. Re: [Amps] Available Class A in Yaesu (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 18 Aug 2012 19:51:08 +0800
A guy is trying to sell his second hand MK V, I told him I'm interested in it because its attractive 3rd performance.After I read this ,It seems I should cancel this order. Hsu G'day Charles. A small
/archives//html/Amps/2012-08/msg00311.html (20,343 bytes)

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