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New_collector
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Post subject: What kind of capacitor is this?  Posted: May Fri 04, 2012 9:13 pm |
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Joined: Dec Wed 14, 2011 5:13 pm
Posts: 68
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I found this in a 1941 Westinghouse I'm restoring and I was wondering, was this just a replacement for the paper/wax caps or is it some kind of mica capacitor?
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pixellany
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Post subject: Re: What kind of capacitor is this? Posted: May Fri 04, 2012 9:15 pm |
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Joined: Jul Mon 26, 2010 8:30 pm
Posts: 5370
Location: Annapolis, MD
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If the 220 is picofarads, then I'll guess that it is mica---where is it in the circuit?
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"It's always something". --Gilda Radner
"100%" on E-Bay is not IQ......
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codefox
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Post subject: Re: What kind of capacitor is this? Posted: May Fri 04, 2012 9:36 pm |
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Joined: Nov Sat 27, 2010 6:15 pm
Posts: 3596
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Could be anything, even a 220 ohm resistor. Couldn't possibly hurt to sub a new 220 pfd silver mica rated at 500 volts.
Schematic needed. We're not magicians.
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Tim Tress
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Post subject: Re: What kind of capacitor is this? Posted: May Sat 05, 2012 1:20 am |
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 5762
Location: Beaver Falls, PA. USA
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It's a mica capacitor, made by RCA; they made most of the early-40s Westinghouse sets. If you post the model number, we can find it on the schematic.
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Tim KA3JRT
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mescalero
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Post subject: Re: What kind of capacitor is this? Posted: May Sat 05, 2012 2:48 am |
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Joined: Feb Thu 24, 2011 1:29 am
Posts: 2800
Location: Dallas, TX - in the city but with bobcats and coyotes
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I had a mentor who called them cough drops. They do have a lozenge shape.
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In a triode, no one can hear you screen.
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New_collector
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Post subject: Re: What kind of capacitor is this? Posted: May Sun 06, 2012 7:16 pm |
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Joined: Dec Wed 14, 2011 5:13 pm
Posts: 68
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I re-capped this radio about a year ago (it was my first tube radio), and I later found out that I replaced this capacitor with the wrong value. I just wanted to make sure that it wasn't an unreliable type and that I can safely put it back in. I put it back in this weekend and the radio sounds much better now that the right value capacitor is in the right place. (All the other caps are new).
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