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1. [Amps] TUNER (score: 1): Author: Bob Gibson <w5rg@yahoo.com>; Date: Sun, 10 Oct 2010 07:03:52 -0700 (PDT); If you put the tuner at the back of the Amp..Why not just use the tuner in the Radio? Bob _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting; /archives//html/Amps/2010-10/msg00153.html (6,626 bytes)
2. Re: [Amps] TUNER (score: 1): Author: MIKE DURKIN <patriot121@msn.com>; Date: Sun, 10 Oct 2010 07:35:24 -0700; Not all radios have tuners .... Kenwood TS-430S is one off of the top of my head. Mike KC7NOA _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contes; /archives//html/Amps/2010-10/msg00154.html (6,905 bytes)
3. Re: [Amps] TUNER (score: 1): Author: "Roger (K8RI)" <sub1@rogerhalstead.com>; Date: Sun, 10 Oct 2010 12:20:20 -0400; Many tuners in the rigs will not handle the input swings through the cycle and just swing from stop to stop and it depends on the specific amp as well. 73 Roger (K8RI) _______________________________; /archives//html/Amps/2010-10/msg00156.html (7,151 bytes)
4. Re: [Amps] TUNER (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sun, 10 Oct 2010 14:01:36 -0400; Neither did the TS-440, 930 or 940 as standard equipment, it was optional. I believe the 950 was the first to include it as standard equipment. Carl KM1H _____________________________________________; /archives//html/Amps/2010-10/msg00159.html (8,422 bytes)
5. Re: [Amps] TUNER (score: 1): Author: N1BUG <paul@n1bug.com>; Date: Mon, 11 Oct 2010 02:42:35 -0400; That works fine except I have a habit of using it with a couple of "not quite perfect" antennas when operating barefoot, which messes up its band memories for the amp input. Then I forget to push the; /archives//html/Amps/2010-10/msg00170.html (7,393 bytes)
6. [Amps] TUNER (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Mon, 11 Oct 2010 06:43:12 -0700; If you put the tuner at the back of the Amp..Why not just use the tuner in the Radio? Bob C2 cap of any PI tuned input. Those pulses are typ 3 times the plate current for AB-2... and 4 times the plat; /archives//html/Amps/2010-10/msg00177.html (8,401 bytes)
7. Re: [Amps] TUNER (score: 1): Author: Jason Hissong <jhissong@gmail.com>; Date: Mon, 11 Oct 2010 11:14:07 -0400; I was given a really nice homebrewed amp last year that works well, but is missing a tuned input. I used to use it with my TS450SAT and it seem to worked pretty well with it. The 756Pro3 has issues w; /archives//html/Amps/2010-10/msg00181.html (10,592 bytes)
8. [Amps] TUNER (score: 1): Author: Bob Gibson <w5rg@yahoo.com>; Date: Mon, 11 Oct 2010 15:17:29 -0700 (PDT); Well from what I have read and heard here..its best to put a tuned input inside with the tube..and I understand that..what I could understand was putting a tuner at the back of the Amp..if one was go; /archives//html/Amps/2010-10/msg00186.html (7,292 bytes)
9. Re: [Amps] TUNER (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Mon, 11 Oct 2010 18:24:48 -0500; Hi Bob, The problem with most tuners is that they are T networks. Which means that the capacitor is in series, not in parallel as it is in a pi network. 73 Gary K4FMX ________________________________; /archives//html/Amps/2010-10/msg00187.html (8,666 bytes)
10. Re: [Amps] TUNER (score: 1): Author: N1BUG <paul@n1bug.com>; Date: Tue, 12 Oct 2010 07:04:31 -0400; Just to clarify what I was thinking *if* I go the auto tuner route... I would put it between the amp input relay and the tube. Easy in my case since the amp has a relay box mounted on the back with c; /archives//html/Amps/2010-10/msg00189.html (8,591 bytes)
11. Re: [Amps] TUNER (score: 1): Author: "Roger (K8RI)" <sub1@rogerhalstead.com>; Date: Tue, 12 Oct 2010 18:04:53 -0400; I wonder how one of these tuners, or input boards would work with a passive grid input on a Tetrode. 73 Roger (K8RI) _______________________________________________ Amps mailing list Amps@contesting.; /archives//html/Amps/2010-10/msg00206.html (7,670 bytes)
12. [Amps] TUNER (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Tue, 12 Oct 2010 23:19:25 -0700; I wonder how one of these tuners, or input boards would work with a passive grid input on a Tetrode. 73 Roger (K8RI) passive grid R or a 200 ohm resistor.....and a 4:1 un-un. On the big boy tubes [ha; /archives//html/Amps/2010-10/msg00215.html (7,825 bytes)
13. Re: [Amps] TUNER (score: 1): Author: "Roger (K8RI)" <sub1@rogerhalstead.com>; Date: Wed, 13 Oct 2010 04:07:25 -0400; Possibly it's just my 756 Pro, but it goes nuts on all of my amps with untuned inputs "except' the old alpha 76. Tetrodes, Pentodes, or Triodes; It doesn't discriminate. Turn the tuner off and the SW; /archives//html/Amps/2010-10/msg00218.html (8,794 bytes)
14. Re: [Amps] TUNER (score: 1): Author: "Jim W7RY" <w7ry@inbox.com>; Date: Wed, 13 Oct 2010 07:18:21 -0700; EXCEPT when you get to the higher bands. (10 and 15. And sometimes 20). You need a way to cancel out the reactance. At least you do on a pair of 4CX800 Russian tetrodes. 73 Jim W7RY _________________; /archives//html/Amps/2010-10/msg00228.html (9,301 bytes)
15. [Amps] TUNER (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Thu, 14 Oct 2010 02:30:33 -0700; EXCEPT when you get to the higher bands. (10 and 15. And sometimes 20). You need a way to cancel out the reactance. At least you do on a pair of 4CX800 Russian tetrodes. 73 Jim W7RY parallel with the; /archives//html/Amps/2010-10/msg00231.html (8,993 bytes)
16. Re: [Amps] TUNER (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Thu, 14 Oct 2010 12:14:20 +0100; This is surprising, because the reactance of the input capacitance can be cancelled without any switching, by "absorbing" it into a 1:1 pi network with C1 equal to the shunt capacitance of the tubes.; /archives//html/Amps/2010-10/msg00232.html (10,311 bytes)

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