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1. [Amps] Al-80a problem. (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 15 Jul 2002 20:51:34 -0700; Or a flock of kamikaze fruit flies could have attacked. - Not according to N7WS' laboratory measurements of 100MHz Q on a HP Z-analyzer. My guess is that if you check the tube @8kV on a high-pot, yo; /archives//html/Amps/2002-07/msg00211.html (9,121 bytes)
2. [Amps] Al-80a problem. (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 15 Jul 2002 22:48:56 -0400; Look in the manual. Although I designed that amp and managed the company that built those meters, I can't recall the exact meter resistances. I think they are 450 ohms, and if that is correct the re; /archives//html/Amps/2002-07/msg00210.html (8,433 bytes)
3. [Amps] Al-80a problem. (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 15 Jul 2002 05:39:32 -0700; ** I would start by measuring the resistance of the anode's vhf parasitic suppressor's resistor. An increase in ohms of 25% - 400% indicates that vhf energy may have been briefly present -- especial; /archives//html/Amps/2002-07/msg00197.html (9,929 bytes)
4. [Amps] Al-80a problem. (score: 1): Author: kb4tcu@accessatc.net (kb4tcu); Date: Mon, 15 Jul 2002 03:53:12 -0400; my al-80A hicuped tonight. I do not have the schematic for this amp. It = does not show HV now. After inspecting the meter, the reading was open = from the outside terminals. i have removed the meter; /archives//html/Amps/2002-07/msg00195.html (7,977 bytes)

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