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Total 4 documents matching your query.

1. [Amps] FU728F Tube (score: 1): Author: vk3pa@vk3pa.com; Date: Mon, 28 Sep 2009 22:03:57 -0500; is it FU728F the same as 4CX1500 but made in China?? es wot r the speck's!! _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/l; /archives//html/Amps/2009-09/msg00351.html (6,106 bytes)
2. Re: [Amps] FU728F Tube (score: 1): Author: "Hsu" <hsu4qro@gmail.com>; Date: Tue, 29 Sep 2009 15:17:14 +0800; FU-728F was design by Chinese independently, it can not replace 4CX1500Bdirect, you need do a bit some work ( Chanage filamet voltage to 9V ) but more powerful, it can output morethan 2000W @Ua=3200V; /archives//html/Amps/2009-09/msg00352.html (6,960 bytes)
3. Re: [Amps] FU728F Tube (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Tue, 29 Sep 2009 04:10:19 -0400; Where can I find the data sheets and where are these available for how much? 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contest; /archives//html/Amps/2009-09/msg00353.html (7,738 bytes)
4. Re: [Amps] FU728F Tube (score: 1): Author: Roger <sub1@rogerhalstead.com>; Date: Tue, 29 Sep 2009 16:23:11 -0400; Google searches come up with lots of results, but after 2 hours I've still found none that give me the tube characteristics other than I know it's similar to a 4CX1500B with a different filament volt; /archives//html/Amps/2009-09/msg00359.html (9,133 bytes)

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