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1. [Amps] 3cx3000a1 (score: 1): Author: Ed Heimbach <supermechanic18360@yahoo.com>; Date: Sat, 20 Aug 2011 07:57:37 -0700 (PDT); Any ideas if the a1 variant can be used in amateur service? I picked p one of these along with two a7's. When was the last time a grid driven linear was made from one of these a1's? Worth trying?; /archives//html/Amps/2011-08/msg00103.html (6,412 bytes)
2. Re: [Amps] 3cx3000a1 (score: 1): Author: "R. Morris" <robrk@nidhog.net>; Date: Sat, 20 Aug 2011 12:48:05 -0400; Can be done, but try trading for a couple YC156's _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2011-08/msg00105.html (6,872 bytes)
3. [Amps] 3cx3000a1 (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Sat, 20 Aug 2011 17:58:55 -0500; The power gain factor for RF makes them a waste of time. They are primarily intended for audio (modulator) service. K6IC is looking for a pair of A1s. why not contact him and make an offer. 73 Rob K5; /archives//html/Amps/2011-08/msg00108.html (7,305 bytes)
4. Re: [Amps] 3cx3000a1 (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Sat, 20 Aug 2011 19:10:41 -0400; They would be fine grid driven since you could operate class AB1. The question was not about grounded grid. If they are linear enough for a modulator they are linear enought for SSB. 73 Bill wa4lav T; /archives//html/Amps/2011-08/msg00109.html (8,190 bytes)
5. Re: [Amps] 3cx3000a1 (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Sat, 20 Aug 2011 19:13:22 -0400; Grid driven amplifiers have been made using other low Mu tubes. The 304TL is a fine example but much lower power. They have been even used in grounded grid however required a lot of drive power. You; /archives//html/Amps/2011-08/msg00110.html (8,370 bytes)
6. Re: [Amps] 3cx3000a1 (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Sat, 20 Aug 2011 18:18:58 -0500; Thanks Bill 73 rob K5UJ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2011-08/msg00111.html (8,216 bytes)
7. Re: [Amps] 3cx3000a1 (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sat, 20 Aug 2011 20:12:05 -0400; The very low mu 8000 is another excellent grid driven AM tube that the audiophools have discovered and ruined the prices. Its otherwise similar to the 810. Carl KM1H _________________________________; /archives//html/Amps/2011-08/msg00112.html (9,540 bytes)

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