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141. Re: [TenTec] Audio Hum on Omni-VII (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Fri, 19 Sep 2008 07:17:33 -0700; audio Dudley, What you describe is a classic pin 1 problem, which is well known as a CAUSE of Hum, Buzz, and RF interference. That doesn't surprise me -- nearly all ham gear is built with pin 1 probl; /archives//html/TenTec/2008-09/msg00246.html (9,834 bytes)
142. Re: [TenTec] 9420 power supply (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Sat, 01 Nov 2008 19:53:07 -0700; All Omni rigs and the Herc II run VERY well from any 13.8V supply that can supply the required current. All you need are suitably wired power connectors. Also, the Herc II can be driven by any decent; /archives//html/TenTec/2008-11/msg00011.html (7,910 bytes)
143. Re: [TenTec] (no subject) (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Mon, 10 Nov 2008 10:18:35 -0800; I asked this question when I bought my Herc II several years ago, and I got several replies from guys who were running from a big battery that was floated from a decent power supply. The key to succe; /archives//html/TenTec/2008-11/msg00107.html (8,796 bytes)
144. Re: [TenTec] (no subject) (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Mon, 10 Nov 2008 14:07:06 -0800; One PSU wired to each half. Jim _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2008-11/msg00110.html (8,140 bytes)
145. Re: [TenTec] Ten Tec Fan Disappointment.... (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Wed, 19 Nov 2008 07:53:45 -0800; I don't know enough to address the Flex radios, but the K3 is quite comparable to the Orion products in concept, superior in performance, but comparable to the Omni VII in price. I have LONG felt tha; /archives//html/TenTec/2008-11/msg00157.html (9,909 bytes)
146. Re: [TenTec] Ten Tec Fan Disappointment.... (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Wed, 19 Nov 2008 08:19:06 -0800; I agree -- unless you're a VERY serious contester. :) That's the right way to look at it. 73, Jim K9YC _______________________________________________ TenTec mailing list TenTec@contesting.com http:/; /archives//html/TenTec/2008-11/msg00162.html (8,864 bytes)
147. Re: [TenTec] Ten Tec Fan Disappointment.... (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Wed, 19 Nov 2008 11:01:06 -0800; While the K3 has some "features" advantages over the Orion family, the MAJOR advantages of the K3 are its far superior RX strong signal performance and much less TX sideband trash. That allows high p; /archives//html/TenTec/2008-11/msg00170.html (10,033 bytes)
148. Re: [TenTec] Ten Tec Fan Disappointment.... (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Wed, 19 Nov 2008 16:17:29 -0800; ARRL reviews are a good starting point. They show the key performance issues I cited, and the experience of many contesters bears them out. Jim _______________________________________________ TenTec; /archives//html/TenTec/2008-11/msg00185.html (10,149 bytes)
149. Re: [TenTec] Titan 425 tuned input (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Wed, 19 Nov 2008 21:08:00 -0800; Yes. Don't worry about it. My three Titan 425s drive to full power with 50 watts, and any modern 100W transceiver is reasonably happy with a 2:1 match at that power level. I typically drive them with; /archives//html/TenTec/2008-11/msg00192.html (8,320 bytes)
150. Re: [TenTec] TenTec Digest, Vol 71, Issue 20 (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Thu, 20 Nov 2008 07:48:33 -0800; Google it to learn about it. There's been plenty written about it. Bob, N6TV, is one leading contester who has written about it and made presentations about it. So has Pete, N4ZR. Another Bob, K6XX,; /archives//html/TenTec/2008-11/msg00196.html (7,571 bytes)
151. Re: [TenTec] Titan 425 tuned input (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Thu, 20 Nov 2008 08:02:44 -0800; By "according to the 425" I assume that you're either reading the meter or the bar graph. Both are calibrated by internal pots. The calibration could be off. I suggest you check that calibration agai; /archives//html/TenTec/2008-11/msg00197.html (8,615 bytes)
152. Re: [TenTec] Microphones (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Wed, 03 Dec 2008 10:46:58 -0800; Before you go spending a lot of money on this stuff, take a look at my tutorials in audio for hams. http://audiosystemsgroup.com/RFI-Ham.pdf http://audiosystemsgroup.com/HamInterfacing.pdf BTW -- Beh; /archives//html/TenTec/2008-12/msg00043.html (9,336 bytes)
153. Re: [TenTec] OT Florescent Ballast's (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Mon, 08 Dec 2008 17:37:53 -0800; lighting circuits (and the ballasts) were radiating between 150 MHz Can you tell me the "class of device" and exactly what Part of the FCC Rules the mfr told you covers it? The so-called "electronic; /archives//html/TenTec/2008-12/msg00116.html (8,596 bytes)
154. Re: [TenTec] Time Sharing Radio Access? (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Mon, 15 Dec 2008 11:33:37 -0800; I suggest that you make contact with other hams in your area who are active on HF. As a starting point, try Eric, W3DQ, who's quite active in the Potomac Valley Radio Club (PVRC). His club and my clu; /archives//html/TenTec/2008-12/msg00156.html (8,769 bytes)
155. Re: [TenTec] Time Sharing Radio Access? (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Mon, 15 Dec 2008 12:10:40 -0800; Working with the complex management to set up a station would be a great project for a local ham club. 73, Jim K9YC _______________________________________________ TenTec mailing list TenTec@contesti; /archives//html/TenTec/2008-12/msg00158.html (7,964 bytes)
156. Re: [TenTec] Time Sharing Radio Access? (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Tue, 16 Dec 2008 09:36:49 -0800; This is not the spirit of ham radio that I grew up with. The tradition of ham radio is helping your fellow hams and contributing to your community. Certainly the burden of rent and other expenses of; /archives//html/TenTec/2008-12/msg00165.html (9,492 bytes)
157. Re: [TenTec] Time Sharing Radio Access? (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Tue, 16 Dec 2008 12:43:08 -0800; there Yes, there's lots of software "out there," but "out there" is the operative word. One issue that's often overlooked is LATENCY, which is what audio guys call the time it takes for signal to get; /archives//html/TenTec/2008-12/msg00171.html (8,961 bytes)
158. [TenTec] FS: Hercules 444 and Omni V.9 (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Mon, 22 Dec 2008 12:32:57 -0800; I have one of these amps to sell. It is in excellent shape, works perfectly, very clean. I'm the guy who used the words "science project." Asking $450. It's too heavy to ship. I'm in Santa Cruz, CA,; /archives//html/TenTec/2008-12/msg00284.html (8,391 bytes)
159. Re: [TenTec] Centurion question (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Sat, 17 Jan 2009 10:51:37 -0800; The HV power supply in Ten Tec tube amps is not regulated. It is quite normal for the voltage to drop under load. They're designed to work that way, and they work fine. I have three Titans, a Herc I; /archives//html/TenTec/2009-01/msg00184.html (8,309 bytes)
160. Re: [TenTec] Ground, noise blankers in the Omni V and plasma TV's (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Mon, 19 Jan 2009 09:39:04 -0800; All products are different -- they have their own ways of radiating trash depending on how they are built. If the dominant mechanism is direct radiation from the screen, as K4TAX has described, you'r; /archives//html/TenTec/2009-01/msg00235.html (8,692 bytes)

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