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Had to have been around late '79 or early '80. I just repaired a 1980 magnavox for a friend and it has the NAP label. Maybe Sylvania was around the same time, I remember my sylvania tubes I bought from the local electronics supply (Electronic Parts Co.) (now long gone) changed to the "Philips ECG" brand around then too.
Last edited by captainmoody; 04-12-2003 at 09:51 PM.
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