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Total 8 documents matching your query.

1. [Amps] Autotuners in Amps (score: 1): Author: <kc0hfl@cox.net>; Date: Wed, 11 Feb 2009 22:25:23 -0500; I seen the new handbook had an amp project using an LDG auto tuner for the tuned input and was curious what the groups thoughts was on this. After some research I came across an add where LDG actuall; /archives//html/Amps/2009-02/msg00344.html (6,924 bytes)
2. Re: [Amps] Autotuners in Amps (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Wed, 11 Feb 2009 22:33:14 -0500; It would be a good idea but as I understand that tuner was an L network tuner and not a pi network. Not good for a tuned input as there is no capacitor placed across the cathode with that type tuner.; /archives//html/Amps/2009-02/msg00345.html (7,846 bytes)
3. Re: [Amps] Autotuners in Amps (score: 1): Author: "Jim W7RY" <w7ry@arrl.net>; Date: Wed, 11 Feb 2009 19:57:13 -0800; I tried this in my pair of 3CX800 amplifier. Didn't like it. SWR would not go low enough. I was using a 1ft cable between the output of the tuner and the cathode. If you notice Jerry W8ZR has the tun; /archives//html/Amps/2009-02/msg00346.html (8,428 bytes)
4. Re: [Amps] Autotuners in Amps (score: 1): Author: "k7rdx" <k7rdx@charter.net>; Date: Wed, 11 Feb 2009 20:46:13 -0800; I have used the LDG board in my 3CPX5000A7/YC-156A amplifier since 2006 with excellent results:www.k7rdx.w4zt.com. The tuner is an L network so adding c at the cathode is a good idea for better harmo; /archives//html/Amps/2009-02/msg00348.html (8,730 bytes)
5. Re: [Amps] Autotuners in Amps (score: 1): Author: "Alex Eban" <alexeban@gmail.com>; Date: Thu, 12 Feb 2009 08:58:31 +0200; ...seems like too much of a good thing to me! If you consider that most of the amplifiers in use are of the grounded grid variety, with the attendant low input impedance, the Q of the tune network at; /archives//html/Amps/2009-02/msg00354.html (10,284 bytes)
6. Re: [Amps] Autotuners in Amps (score: 1): Author: "Wayne Rogers" <n1wr@chesapeake.net>; Date: Thu, 12 Feb 2009 11:33:01 -0500; I've been watching the mail on this and I'm surprised that no-one has stated the fact that the input impedance of these amplifiers is not constant. Does anyone really believe that the input impedance; /archives//html/Amps/2009-02/msg00360.html (7,423 bytes)
7. Re: [Amps] Autotuners in Amps (score: 1): Author: "k7rdx" <k7rdx@charter.net>; Date: Thu, 12 Feb 2009 12:44:17 -0800; I`m sure nearly if not all competant builders figured this out long ago...73..Jim..K7RDX.. -- Original Message -- From: "Wayne Rogers" <n1wr@chesapeake.net> To: <Amps@contesting.com> Sent: Thursday,; /archives//html/Amps/2009-02/msg00377.html (8,842 bytes)
8. Re: [Amps] Autotuners in Amps (score: 1): Author: "Chuck Curran" <ccurran@wi.rr.com>; Date: Thu, 12 Feb 2009 18:58:08 -0600; Bob: I purchased the LDG AT-100 AMP package and installed it in an amp using a pair of 3-400Z's I will have to say it was expensive, since they had discontinued the original package, but it did a gre; /archives//html/Amps/2009-02/msg00390.html (8,762 bytes)

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