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Philco 53-656 No Warm Up time?
Steve Davis
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#2

09-06-2011, 08:24 PM
Jim, your radio uses filament tubes or sometimes called direct heated tubes, as opposed to tubes with a separate heater and cathode or indirect heated. Direct heated tubes heat up very quickly, almost like turning on a light.

Steve
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Messages In This Thread
Philco 53-656 No Warm Up time? - by Jbaker - 09-06-2011, 08:14 PM
Re: Philco 53-656 No Warm Up time? - by Steve Davis - 09-06-2011, 08:24 PM
Re: Philco 53-656 No Warm Up time? - by Arran - 09-07-2011, 08:17 PM
Re: Philco 53-656 No Warm Up time? - by Jbaker - 09-11-2011, 02:46 PM



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