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Total 7 documents matching your query.

1. [AMPS] AL-82 Primary Tap Settings (score: 1): Author: Mike" <W4EF@dellroy.com (Mike); Date: Wed, 17 Oct 2001 06:43:56 -0700; Hi All, We have 3 Ameritron AL-82's at our local club station. The station was recently moved into a new shack which is wired with one phase of a 3 phase 208 VAC service (the old shack was setup for; /archives//html/Amps/2001-10/msg00356.html (7,872 bytes)
2. [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)
3. [AMPS] AL-82 Primary Tap Settings (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Wed, 17 Oct 2001 09:42:55 -0500; The only way to properly set the transformer taps is to measure the filament voltage at the tube pins at each setting. I would start with the 220 volt tap first. If the voltage is within specs, you a; /archives//html/Amps/2001-10/msg00359.html (8,253 bytes)
4. [AMPS] AL-82 Primary Tap Settings (score: 1): Author: 2@vc.net (2); Date: Wed, 17 Oct 2001 08:27:41 -0700; // Low-hours 3-500Zs need around 4.7v minimum on the filament. - You might be interested in: Figure 17 on my Web site (arced bandswitch removed from a MFJ-Ameritron AL-82 amplifier). cheers, Mike -; /archives//html/Amps/2001-10/msg00362.html (8,187 bytes)
5. [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)
6. [AMPS] AL-82 Primary Tap Settings (score: 1): Author: 2@vc.net (2); Date: Wed, 17 Oct 2001 08:37:27 -0700; // Amen, Phil // However, operating a 5v +/- 5% filament at 5.25v instead of 4.75v will reduce emissive life to [4.75v/5.25v] ^23.4 = c. 1/10 of normal life. - R. L. Measures, 805.386.3734, AG6K, ww; /archives//html/Amps/2001-10/msg00365.html (7,505 bytes)
7. [AMPS] AL-82 Primary Tap Settings (score: 1): Author: 2@vc.net (2); Date: Wed, 17 Oct 2001 09:25:14 -0700; // I used to calibrate and repair John Fluke DMMs. They are typically better than the spec on AC V. - R. L. Measures, 805.386.3734, AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contes; /archives//html/Amps/2001-10/msg00367.html (7,383 bytes)

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