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1. [Amps] Alpha 374A problems (score: 1): Author: jomara@erols.com (Jack O'Mara); Date: Sat, 24 Aug 2002 00:02:21 +0000; Hi Folks I am working on my sons amp which blew up with a loud bang. What I have found so far is one tube with a grid to cathode short when filament voltage is applied. I can see that this would shor; /archives//html/Amps/2002-08/msg00241.html (6,913 bytes)
2. [Amps] Alpha 374A problems (score: 1): Author: 2@vc.net (2); Date: Fri, 23 Aug 2002 18:50:44 -0700; ** grid/cathode shorts are typically caused by cathode flaking. [ photos in Sept/Oct 1990 *QST* ] This can result from inadequate warm-up, more than 350mA continuous cathode-current, or an intermitt; /archives//html/Amps/2002-08/msg00242.html (6,873 bytes)

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