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#1
03-19-2014, 03:04 PM
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Newcomb B-100 AM radio
A while back, you may recall my post about a '72 Newcomb AM tube radio. Today, I have an older Newcomb B-100 from the late '40's-early '50's. Since it has no CD markings on the dial and since it uses octal tubes with large IF cans, it would likely be older than '53. Unlike the newer 5-tube set that I have, this is a 6-tube model with a TRF stage. I even got the instruction sheet.
    
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http://www.youtube.com/user/radiotvphononut 
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#3
03-19-2014, 06:05 PM
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It looks like an Oxford speaker with a code date of 9-18, which is probably 1949.
The power transformer looks like it was replaced. Looks like it was taken out by a bad 6X5. It also looks like a few tubes were replaced.
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#5
03-20-2014, 10:09 PM
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Well I read the instructions and enjoyed that. The IF cans are marked 1 and 2, very nice. If the .01 coupling capacitor to the output grid should get leaky, it will put dc on the headphones. No mention of tone control in the directions.
Definitely a cut above the usual el cheapo radio. All it needs is selectivity control and a noise limiter. Add a short wave band and BFO and S meter and you have a good communications receiver. Oh, and a bandspread dial...
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#6
03-20-2014, 10:16 PM
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Since I'm known locally as "The Nut who likes Old Radios & TVs", every so often people send leads my way... Tonite I got one on a Newcomb AM/FM set, must be similar to this, & has a tuning eye tube.. Sposed to go meet the dude tomorrow..
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Benevolent Despot
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Linear Mode
