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Total 254 documents matching your query.

201. [Amps] some amplifier items for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 10 Oct 2013 22:39:27 +0800
My friend and I have some items sale: These items is mine: 1) Five brand new plate transformers :CD core; Priamary: 220-230V 50Hz,but you can rewire to 110V-115V secondary: 2500V 2600V, 2700V, 2800V
/archives//html/Amps/2013-10/msg00179.html (9,512 bytes)

202. Re: [Amps] some amplifier items for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 11 Oct 2013 06:02:31 +0800
I'm sorry, I think maybe my link have some problem. I made correct as below.PS, the shipping not exact, It depond on your location. I do not benfit from the shipping and handing. 73!Hsu -- From: Hsu
/archives//html/Amps/2013-10/msg00188.html (8,121 bytes)

203. [Amps] TL922 band switchs (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 17 Oct 2013 10:33:25 +0800
This is band switch for KENWOOD TL-922 amplifier , built by my friend, he is selling it here:http://www.ebay.com/itm/171151607287?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 If you interested
/archives//html/Amps/2013-10/msg00294.html (6,659 bytes)

204. [Amps] Filament power supply for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 24 Oct 2013 07:06:24 +0800
I have a DC7.5V(adjustable) 140A SMPS for Chinese FU-832F filament power supply, FU-832F is rugged version of FU-101F(4CX5000R), same size but its filament current = 125A and Pad=10kW It used in Chin
/archives//html/Amps/2013-10/msg00418.html (6,763 bytes)

205. [Amps] Chinese FU-724F (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Wed, 27 Nov 2013 09:41:44 +0800
I found a Chinese cheap triode for industry, filamnet 6V/50A; Pamax=2.5kW; Grid diss=150W;Umax=6kV; u=70, you know most industrial triodes are low/ meidum u tubes, but this one is high u tube. As it
/archives//html/Amps/2013-11/msg00427.html (6,919 bytes)

206. Re: [Amps] High current RF decoupling capacitors (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Mon, 6 Jan 2014 02:17:24 +0800
another option http://www.dalicap.com/e_index.htm Thanks, John. Baruch/4Z4RB just suggested the same thing. They look better for high frequencies than the leaded disc ceramics that Ian/GM3SEK pointed
/archives//html/Amps/2014-01/msg00031.html (8,967 bytes)

207. Re: [Amps] Russian HV Supply Capacitors (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Fri, 10 Jan 2014 11:49:42 +0800
What about this cap:http://item.taobao.com/item.htm?spm=a230r.1.14.252.OmW1Wa&id=18826294699&_u=afekc53b6cf I still wouldnt use any laser discharge caps in an amp PS; they are pulse rated and do not
/archives//html/Amps/2014-01/msg00045.html (11,276 bytes)

208. [Amps] 4CX5000A in grounded-grid (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 18 Mar 2014 13:32:21 +0800
Found a interesting web about 4CX5000A(8170) 2m VHF GG power amplifier, http://www.g4ftc.co.uk/amplifiers/8170_2m/home.htm Anyone use this configurtion in HF ?how many power gain ____________________
/archives//html/Amps/2014-03/msg00094.html (6,537 bytes)

209. Re: [Amps] 4CX5000A in grounded-grid (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 18 Mar 2014 19:05:08 +0800
4CX5000A's grid dissipation is 75W, not too weak.8877's grid dissipation only 25W, but often handle over 100W driving power. If the grid rigged enough, many tentrode can work in GG well , like 813, G
/archives//html/Amps/2014-03/msg00098.html (9,071 bytes)

210. [Amps] A question about grid bias in G3SEK's control board (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 19 Apr 2014 13:27:32 +0800
Good morning and evening! Here is grid bias power supply in G3SEK's control board I do not understand how it works. I think it is not a regulated power supply. If it work, should be modify as red lin
/archives//html/Amps/2014-04/msg00174.html (7,283 bytes)

211. [Amps] New Band switch (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Mon, 21 Apr 2014 16:00:27 +0800
I just develop a new band switch, This band switch with same current and Voltage rating as Model 86 but smaller,I resize it. It can fit smaller and bigger amplifier from 1kW to 4kW power level. . Thi
/archives//html/Amps/2014-04/msg00184.html (6,930 bytes)

212. [Amps] FL2100 series band switchs (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 29 Apr 2014 12:12:04 +0800
One friend of mine built some FL-2100s band switchs , the band switchs are listing on ebay know. Item number 171313951612 and 171313946583 He still have Tl922's band switch(Item number 171151607287)
/archives//html/Amps/2014-04/msg00241.html (6,826 bytes)

213. [Amps] looking for dead 30L1 /SB200/ SB220 band switchs ; (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 18 Sep 2014 11:41:53 +0800
My friend is cloning old amplifier band switchs,now he in selling FL-2100/B/Z and TL922 bands wicths on ebay, will built NCL2000/SR2000 bands switchs wafer/roter very soon.Now he want to clone 30L1/S
/archives//html/Amps/2014-09/msg00018.html (7,013 bytes)

214. [Amps] Factory New FU728F (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 20 Sep 2014 14:59:15 +0800
I just get 400 piecs Factory new FU728F tetrode, It is the best version of 728F, with one year(or 500hrs of use) guarantee,I accept cable transcfer/international money order/WU/MoneygGram/Paypal(you
/archives//html/Amps/2014-09/msg00019.html (8,171 bytes)

215. Re: [Amps] Factory New FU728F (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Tue, 23 Sep 2014 21:55:10 +0800
The tubes are factory new and best version of FU-728F, These came from an canceled order by the Force, it is duo to the equipment have been decommission.Now the list price of manufacturer is $430, Bu
/archives//html/Amps/2014-09/msg00020.html (6,999 bytes)

216. [Amps] Brand New EIMAC 4CX250B for sale (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Wed, 24 Sep 2014 10:20:00 +0800
I have 100+ pieces brand new 4CX250B for sale , I would prefer quantity buyer pick all . you can make offer, I can upload to ebay, but the buyer pay the ebays cost. Hsu ______________________________
/archives//html/Amps/2014-09/msg00022.html (6,405 bytes)

217. [Amps] NCL2000 band switch wafer replacement (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 2 Oct 2014 08:56:03 +0800
A friend of mine build some NCL2000 band switch wafer , please view eBay item number 171479930247.You can contact him direct. _______________________________________________ Amps mailing list Amps@co
/archives//html/Amps/2014-10/msg00001.html (6,433 bytes)

218. [Amps] 3-500Z quality and new 572B (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Thu, 9 Oct 2014 12:14:25 +0800
I just know the Chinese 3-500Z have a new manufacturer, it located nearbay my home, just only 500 mtrs :D. Could someone can tell me how about the tube's quality of new manuafcturer? I'm disscussing
/archives//html/Amps/2014-10/msg00029.html (7,182 bytes)

219. Re: [Amps] Source for replacement PS caps (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 11 Oct 2014 07:17:59 +0800
http://item.taobao.com/item.htm?spm=a230r.1.14.305.TaGU6e&id=20636751037&ns=1&_u=bv5d2kf374#detail about $1/ea Philips 450V 390uF. used -- From: Chris Fox Sent: Saturday, October 11, 2014 7:08 AM To:
/archives//html/Amps/2014-10/msg00043.html (11,989 bytes)

220. Re: [Amps] Source for replacement PS caps (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 11 Oct 2014 08:38:37 +0800
Carl, I'm not seller.But I think it should without minimum order, even 1 piece should be OK, If any guy interested in it, I would like help you.FREE! Hsu -- From: Carl Sent: Saturday, October 11, 201
/archives//html/Amps/2014-10/msg00047.html (13,744 bytes)

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