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1. [Amps] RPC 3-500 tubes (score: 1): Author: "Robert Wood, P.E. $retired$" <woodr90@gmail.com>; Date: Mon, 4 Jan 2021 17:01:00 -0600; Recently purchased set of 3-500 tubes Made PRC and installed in AL82 amp This AL82 had the Zener diodes replaced with diode string before I purchased it YEARS ago. Old arrl handbook shows 3-500 (sing; /archives//html/Amps/2021-01/msg00000.html (6,757 bytes)
2. Re: [Amps] RPC 3-500 tubes (score: 1): Author: Jim <jimw7ry@gmail.com>; Date: Mon, 4 Jan 2021 17:24:55 -0600; I would try one tube at a time with 25 or 30 watts of drive. See if you have a dead tube. Thanks 73 Jim W7RY Recently purchased set of 3-500 tubes Made PRC and installed in AL82 amp This AL82 had the; /archives//html/Amps/2021-01/msg00001.html (7,674 bytes)
3. Re: [Amps] RPC 3-500 tubes (score: 1): Author: "Peter Voelpel" <dj7ww@t-online.de>; Date: Tue, 5 Jan 2021 00:56:55 +0100; For more power you will need more drive. 73 Peter Recently purchased set of 3-500 tubes Made PRC and installed in AL82 amp This AL82 had the Zener diodes replaced with diode string before I purchased; /archives//html/Amps/2021-01/msg00002.html (7,552 bytes)

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