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21. [AMPS] AL-80 Excessive Grid Current METER Shunt SCHEMATIC Solved (score: 1): Author: fisher@pldi.net (Fisher); Date: Thu, 27 Jan 2000 04:57:03 -0000; First of all - thanks to all that took the time to assist me in trying to find out the cause of the extreme excessive grid current in this original Ameritron AL-80 (not A or B model) - Single 3-500Z; /archives//html/Amps/2000-01/msg00538.html (9,114 bytes)
22. [AMPS] 4CX1000A amp project (score: 1): Author: fisher@pldi.net (Fisher); Date: Thu, 27 Jan 2000 05:59:31 -0000; Am wanting to build an amp based around a single 4CX1000A tube. I have almost everything needed to build such an amp including a chassis with a blower that should create enough pressure to pass the .; /archives//html/Amps/2000-01/msg00539.html (7,792 bytes)
23. [AMPS] Excessive Grid Current (score: 1): Author: fisher@pldi.net (Fisher); Date: Sun, 19 Dec 1999 22:53:21 -0000; Am new to list. Just acquired an Ameritron AL-80 (grounded grid - single 3-500Z) - not the AL-80A or B. If tune up as per instructions with drive to produce 350ma of plate current then have output of; /archives//html/Amps/1999-12/msg00251.html (7,714 bytes)
24. [AMPS] Excessive grid current - Looks good??? (score: 1): Author: fisher@pldi.net (Fisher); Date: Mon, 20 Dec 1999 09:00:30 -0000; Have had some good suggestions and have followed same: Have switched to 220V and adjusted tuned input on 15M to indicate a 1:1 SWR between the Yaesu 757 and the AL-80 (it is 1:1 across the entire 15; /archives//html/Amps/1999-12/msg00267.html (8,827 bytes)

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