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1. [Amps] GU74 and all voltages on the same transformer? (score: 1): Author: Ulf Tjerneld <star@frizon.org>; Date: Mon, 12 Oct 2009 09:23:26 +0200; Hi all, I'm projecting an amplifier with a GU74B. The transformer I intend to use has all voltages; plate, screen and filament on the same core. This means that basically all voltages will be applied; /archives//html/Amps/2009-10/msg00179.html (7,198 bytes)
2. Re: [Amps] GU74 and all voltages on the same transformer? (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Mon, 12 Oct 2009 16:37:54 -0700; ORIGINAL MESSAGE: REPLY: No. Voltage alone during warm-up will not harm any tube I've ever heard of. However -- do not allow any plate or screen current to be drawn by the tube until warm up is compl; /archives//html/Amps/2009-10/msg00186.html (7,521 bytes)

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