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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Re\:\s+8k\s+ultra\/\s+\"tuned\s+input\"\s*$/: 16 ]

Total 16 documents matching your query.

1. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: 2@vc.net (2); Date: Thu, 18 Oct 2001 07:05:21 -0700; // They don't. Tuned circuits act as flywheels. Untuned/broadband transformers have virtually no flywheel effect. - Back in the days when Henry Radio did not build a 160m amplifier, a friend dropped; /archives//html/Amps/2001-10/msg00373.html (13,830 bytes)
2. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: doug@nc.rr.com (Doug Hall); Date: Thu, 18 Oct 2001 11:03:56 -0400; Rich, What was the name of the engineer who made this statement? Was he actually an engineer or just a sales guy doing booth duty? Doug, K4DSP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submis; /archives//html/Amps/2001-10/msg00374.html (8,524 bytes)
3. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 18 Oct 2001 08:35:32 -0700; Sounds like 10 lbs of tripe. Or, knowing Henry Radio, possibly 190 lbs. The first amateur amp Henry ever built to cover 160m was the 3K Classic Mk III using a single 3CX1200D7, in ~1986. I had to bul; /archives//html/Amps/2001-10/msg00375.html (11,453 bytes)
4. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Thu, 18 Oct 2001 12:54:27 -0500; A few words in defense of Henry is in order here.... The 3CX3000A7 runs just fine with zero bias. Henry elected to add a little bias to cut down a bit on heating of the operating area, which Texans a; /archives//html/Amps/2001-10/msg00376.html (13,501 bytes)
5. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: jimr.reid@verizon.net (Jim Reid); Date: Thu, 18 Oct 2001 11:00:11 -1000; Jim T. wrote, in part: Well, not quite; here is a quote directrly from the Henry 3K/8K manual I have, Spring 1999: "Section 7: Maintenance/Troubleshooting 7.2 Input Mismatch The Ultra series of ampli; /archives//html/Amps/2001-10/msg00378.html (12,254 bytes)
6. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 18 Oct 2001 14:06:14 -0700; [Steve Katz] Holy cow! 1500W DC? 2500W DC? Is that, like, 2500V at 1Adc? Or 25,000V at 100 mA? Wonder how they measure it?? WB2WIK/6 -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: am; /archives//html/Amps/2001-10/msg00379.html (12,272 bytes)
7. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: 2@vc.net (2); Date: Thu, 18 Oct 2001 14:49:12 -0700; // The friend said the "engineer" looked to be Asian, but I do not remember the name. Sorry. - Other interesting Henry Radio achievements: 1. Four models of 3-500Z amplifiers that applied from 5.8 t; /archives//html/Amps/2001-10/msg00380.html (9,685 bytes)
8. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: jimr.reid@verizon.net (Jim Reid); Date: Thu, 18 Oct 2001 12:21:21 -1000; I believe what they are spec'ing with the "2500 watts DC" is continuous duty cycle, or constant CW key down power out, all day. Not the same as CCS, which means Continuous Commercial Service. I beli; /archives//html/Amps/2001-10/msg00381.html (9,171 bytes)
9. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 18 Oct 2001 15:18:21 -0700; I understand the misnomer, Jim. I see it used all the time, but I cringe when I think my amplifier might be putting out DC. The RF hazards to the neighborhood are bad enough, but if I add a few kilov; /archives//html/Amps/2001-10/msg00383.html (9,869 bytes)
10. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 18 Oct 2001 20:07:07 -0400; How do you get DC out of an RF amplifier? 73, Tom W8JI W8JI@contesting.com -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@co; /archives//html/Amps/2001-10/msg00387.html (8,602 bytes)
11. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: jimr.reid@verizon.net (Jim Reid); Date: Thu, 18 Oct 2001 15:34:07 -1000; I believe what they are spec'ing with the "2500 watts DC" is continuous duty cycle, or constant CW key down power out, all day. Not the same as CCS, which means Continuous Commercial Service. I beli; /archives//html/Amps/2001-10/msg00388.html (9,010 bytes)
12. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: 2@vc.net (2); Date: Thu, 18 Oct 2001 19:08:28 -0700; // Piece o' cake: Jumper across the DC blocking capacitor and remove the RFC across the loading capacitor. - R. L. Measures, 805.386.3734, AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www; /archives//html/Amps/2001-10/msg00389.html (8,792 bytes)
13. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: Peter.Chadwick@zarlink.com (Peter Chadwick); Date: Fri, 19 Oct 2001 07:34:52 +0100; Rectify the output? remove the plate blocking cap and fit a short circuit? let the marketing department loose? 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@conte; /archives//html/Amps/2001-10/msg00390.html (8,518 bytes)
14. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: Peter.Chadwick@zarlink.com (Peter Chadwick); Date: Fri, 19 Oct 2001 07:43:43 +0100; I expect Rich, that you managed a wry smile on hearing that! Maybe it's because the large electrode spacing is such that at low frequencies, the electrons haven't reached the plate before the grid ph; /archives//html/Amps/2001-10/msg00391.html (8,688 bytes)
15. [AMPS] Re: 8k ultra/ "tuned input" (score: 1): Author: 2@vc.net (2); Date: Fri, 19 Oct 2001 06:26:51 -0700; // I chortled. frequencies, they // The latter sounds a tad more incredible. "I can believe anything, provided it is incredible." - Oscar Wilde On the other hand, if the plate/anode contains any Ni; /archives//html/Amps/2001-10/msg00393.html (9,006 bytes)
16. [AMPS] RE: 8k ultra/ "tuned input" (score: 1): Author: 2@vc.net (2); Date: Wed, 24 Oct 2001 03:32:26 -0700; Since Jim's reply involves issues that are likely to be of widespread interest, I am posting my reply to the group. // Your Emailer's attribution marks are not correct. // Regulation is not the reaso; /archives//html/Amps/2001-10/msg00454.html (11,773 bytes)

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