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321. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 07:28:37 -0700; Rather than build resistive pads, which involves calculating and soldering, it's easier to just coil up a bunch of RG58/U and cut it to the right length for the attenuation needed; then, open a beer; /archives//html/Amps/2001-10/msg00227.html (10,428 bytes)
322. [AMPS] Beer? (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 07:32:59 -0700; Yes, we can buy Anchor Steam here in L.A. I was very surprised to hear about Samuel Adams available in Sweden, however. Last I toured their headquarters factory in South Boston (only two years ago),; /archives//html/Amps/2001-10/msg00228.html (7,973 bytes)
323. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 08:24:37 -0700; Hi Rich, I didn't mean to imply the RG58 needs to be cut to a magic length. Just use a lot of it...an infinite length would create a perfect match to the exciter, wouldn't it? And BTW I was only kidd; /archives//html/Amps/2001-10/msg00232.html (12,527 bytes)
324. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 10:45:05 -0700; Yep, I've also used RG188 (.100" TFE), very inexpensive surplus and lots of loss. RG142 and RG400 can handle a few kW and are quite lossy, makes the perfect antenna matcher. Simply install 1000' of i; /archives//html/Amps/2001-10/msg00237.html (9,858 bytes)
325. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 11:05:26 -0700; [Steve Katz] :: Might do, but if not, try another 1000' -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Proble; /archives//html/Amps/2001-10/msg00241.html (8,818 bytes)
326. [AMPS] OT question (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 11:41:34 -0700; The beer capacity, while an interesting parametric, is not the issue. The 830S has more versatility than the 530S...I'd recommend you read the on-line technical product reviews on each: http://www.ar; /archives//html/Amps/2001-10/msg00243.html (8,795 bytes)
327. [AMPS] 3-500Z emission saturation (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 14:03:23 -0700; This is why some people spell it, "auspice," while others spell it "hoss piss." The only problem I find with the AL-80B, other than the borderline workmanship (I had to solder the OPR/STBY switch mys; /archives//html/Amps/2001-10/msg00247.html (10,493 bytes)
328. [AMPS] Re: CW/SSB Tune Up (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 16:15:19 -0700; Sounds like you're trying to fry the fish while they're still in the ocean, there, Jim. WB2WIK/6 "Each success only buys an admission ticket to a more difficult problem." -- Henry Kissinger -- FAQ on; /archives//html/Amps/2001-10/msg00253.html (10,213 bytes)
329. [AMPS] Hand in pocket test (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 15 Oct 2001 07:39:42 -0700; I like my test better: Stand on cement floor, barefooted. Have metal D104 in one hand. Reach in and grab the 4-1000 anode cap (amp on, and transmitting) with the other hand. Wake up six feet away, on; /archives//html/Amps/2001-10/msg00340.html (8,475 bytes)
330. [AMPS] parts needed for 4cx-250 amp I am building (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 15 Oct 2001 09:52:01 -0700; Chuck, I have a suitable transformer, as well as ceramic chimneys for 4CX250s. Can you use a xfmr with 120Vac primary, or do you need it to be 240V? Let me know... 73 Steve WB2WIK/6 "Each success onl; /archives//html/Amps/2001-10/msg00341.html (8,791 bytes)
331. [AMPS] AL-82 Primary Tap Settings (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 17 Oct 2001 07:26:16 -0700; Why not hook it up that way, and use a good AC voltmeter to measure the filament voltage at one of the tube sockets? Is the xfmr in the AL-82 common to both HV and filament (as it is in the AL-80B)?; /archives//html/Amps/2001-10/msg00358.html (9,316 bytes)
332. [AMPS] AL-82 Primary Tap Settings (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 17 Oct 2001 08:23:22 -0700; AC measurement is certainly a bit tricky. I use an old Ballantine Labs AC VTVM from the 1950's, seems to be the only think I own that has any accuracy on the AC range.... WB2WIK/6 "Each success only; /archives//html/Amps/2001-10/msg00364.html (9,395 bytes)
333. [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)
334. [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)
335. [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)
336. [AMPS] Ameritron ALS-600 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 18 Oct 2001 15:34:16 -0700; When using break-in, where your exciter keys the amplifier an instant after you close your CW key, this is a very normal "problem." It can be solved a variety of ways. One way that comes to mind and; /archives//html/Amps/2001-10/msg00384.html (10,640 bytes)
337. [AMPS] Eimac Mechanical Sample (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 19 Oct 2001 08:18:28 -0700; Could be anything, but in the semiconductor industry, of which I was a part for about 20 years, it was very common to permanently mark anything of considerable value which was being carried around by; /archives//html/Amps/2001-10/msg00399.html (11,068 bytes)
338. [AMPS] 8k ultra Fil V. (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 19 Oct 2001 16:21:07 -0700; The 3CX3000A7 has a thoriated tungsten filament? "Each success only buys an admission ticket to a more difficult problem." -- Henry Kissinger -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submiss; /archives//html/Amps/2001-10/msg00404.html (9,359 bytes)
339. [AMPS] A Clone of an SB-220 by SBE (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 24 Oct 2001 07:26:06 -0700; I don't know, but I'd love to hear if anyone knows about this "SBE." The only SBE I remember is (was) SideBand Engineers, in Goleta, CA -- which is *really* far south of San Francisco, like 300 miles; /archives//html/Amps/2001-10/msg00456.html (9,645 bytes)
340. [AMPS] Henry 1KD5 Rectifier question (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 31 Oct 2001 08:18:06 -0800; 'Tis true the GE Prog Line and similar 2-way mobile gear from that era used indirectly heated cathodes, mostly receiving tubes with the exception of the PA section, which still used indirectly heated; /archives//html/Amps/2001-10/msg00511.html (10,735 bytes)

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