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Old June 13th 07, 12:00 AM posted to rec.radio.amateur.boatanchors
Ross, NS7F Ross, NS7F is offline
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First recorded activity by RadioBanter: Apr 2007
Posts: 12
Default tube-noob question

In a circuit with two 6.3V tubes, can I just series the filaments so
that I can use a 12-13.8V supply? Or are there subtleties that I'm
missing?
Thanks,
Ross NS7F