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Total 32 documents matching your query.

21. Re: [Amps] 4cx800a (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 17 Feb 2010 08:17:36 -0500; Kees, sice remarking, rebranding, and other less than ethical methods have been used almost since the beginning of the vacuum tube era Im naturally suspicious by nature. And from what I know of the S; /archives//html/Amps/2010-02/msg00477.html (17,984 bytes)
22. Re: [Amps] 4cx800a (score: 1): Author: "DF3KV" <df3kv@t-online.de>; Date: Wed, 17 Feb 2010 17:50:15 +0100; Hi Kees, Who is the tube seller? Is that this one: http://www.wvs-tech.de/wvs-tech/index.php?site=wvs 73 Peter Hi Carl, In that case I cannot help you I guess. I do not have connections directly to t; /archives//html/Amps/2010-02/msg00489.html (18,090 bytes)
23. [Amps] 4cx800a (score: 1): Author: johndtate@post.com; Date: Wed, 17 Feb 2010 16:44:30 -0500; Intersting thread. If you go to http://www.svetlana-tubes.com/ and look at the site, they indicate the following ceramic tubes: 3CX400A7 3CX800A7 3CPX800A7 4CX250B 4CX250R 4CX350A 4CX400A 4CX800A 4CX; /archives//html/Amps/2010-02/msg00498.html (7,874 bytes)
24. Re: [Amps] 4cx800a (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Thu, 18 Feb 2010 06:04:12 +0800; Ha ha. A production run of 4CX1600Bs would be real handy, sometime in the near future. Alek. VK6APK http://www.qrz.com/db/vk6apk http://www.qrz.com/db/vk6py __________________________________________; /archives//html/Amps/2010-02/msg00499.html (9,171 bytes)
25. Re: [Amps] 4cx800a (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 17 Feb 2010 18:19:21 -0500; When was the last time the 4CX1600B was available...10-15 years ago?? Carl _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/li; /archives//html/Amps/2010-02/msg00503.html (9,928 bytes)
26. Re: [Amps] 4cx800a (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 17 Feb 2010 20:41:29 -0500; They are currently available....Alpha is selling off what few they had at a fairly reasonable price... Oops...They had them two weeks ago, but they are no longer listed. Those were the last ones I kn; /archives//html/Amps/2010-02/msg00504.html (11,151 bytes)
27. Re: [Amps] 4cx800a (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 17 Feb 2010 20:42:59 -0500; Unfortunately that site is not available from the US and Canada. 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mail; /archives//html/Amps/2010-02/msg00505.html (10,790 bytes)
28. Re: [Amps] 4cx800a (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Wed, 17 Feb 2010 21:23:58 -0500; By available I meant from the manufacturer, uh...Russian military stores. Carl -- Original Message -- From: "Roger" <sub1@rogerhalstead.com> To: "Carl" <km1h@jeremy.mv.com> Cc: <johndtate@post.com>;; /archives//html/Amps/2010-02/msg00508.html (12,122 bytes)
29. Re: [Amps] 4cx800a (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Wed, 17 Feb 2010 21:52:21 -0500; That's why I called them "orphans".<:-)) BTW, do you know the difference, if any, between an FU728B and FU728F? 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@; /archives//html/Amps/2010-02/msg00509.html (12,548 bytes)
30. Re: [Amps] 4cx800a (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Thu, 18 Feb 2010 09:09:46 -0500; Ive no info on the Chinese tubes Roger, is there a good source in English? Carl KM1H -- Original Message -- From: "Roger" <sub1@rogerhalstead.com> To: "Carl" <km1h@jeremy.mv.com> Cc: <johndtate@post.; /archives//html/Amps/2010-02/msg00519.html (13,523 bytes)
31. Re: [Amps] 4cx800a (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Thu, 18 Feb 2010 13:42:17 -0500; Hi Carl, I have the data sheet plus the constant current curves on the "F" and may have some translations for some QRO tubes suitable for higher frequencies coming soon as well as photos of the tubes; /archives//html/Amps/2010-02/msg00524.html (8,925 bytes)
32. Re: [Amps] 4CX800A (score: 1): Author: "Leigh Turner" <invertech@frontierisp.net.au>; Date: Mon, 29 Oct 2012 11:06:16 +1030; Yes Val, a freshly factory minted Svetlana GU74B/4CX800A is indeed pricey compared to the older date code NOS variety....but still much cheaper than say the current list price of an Eimac/CPI 3CX800A; /archives//html/Amps/2012-10/msg00195.html (8,190 bytes)

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