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radiocollectors · Radio World

Group Information

  • Members: 391
  • Category: Radios
  • Founded: Apr 5, 2007
  • Language: English
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Description

Radio Collectors is a selection of radio collectors from all around the world interested in collecting, repairing, restoring, trading, selling parts, radio magazines, advertising collectibles, old records and technical talk. You can post photos of your collections, schematics, add any technical files and post a message about items you have for sale or trade to do with the hobby. Ask questions and offer tips and suggestions that may be of use to others. Post any stories to do with radios that may be of interest to others. Sell your books, radios, records and spare parts.

There's always a distraction!


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Most Recent Messages

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GE "Monitor Ten" 7-2971A ten band multiband info please
I Have a GE "Monitor Ten" 7-2971A ten band multiband that works good but after 35 years could benefit from an alignment or tweaking. I suspect there may be a
Posted - Wed Nov 11, 2009 12:39 am
kiddisjr
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Re: Zenith Transoceonic H500
Hi Peter - I suppose I'd replace the 10M with 100K, or a S/C, depending on what the biassing and bypass arrangements were, and delete the 3.9M! At least this
Posted - Sat Nov 7, 2009 1:34 am
Bob Yorston
bobyorston
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Re: Zenith Transoceonic H500
Bob, I have a battery portable set, which originally had a 1N5GT (sharp cutoff) IF stage. AGC is applied from the junction of 10Meg and 3.9Meg. A 1P5GT (remote
Posted - Fri Nov 6, 2009 11:33 pm
Peter Hadgraft
peterhadgraft
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Re: Zenith Transoceonic H500
Back to basics Gents. 1. Suppose you wish to bypass a 2K cathode resistor in an Audio stage. You want it to be effective down to 500Hz. This represents a time
Posted - Fri Nov 6, 2009 11:20 pm
Peter Hadgraft
peterhadgraft
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Re: Zenith Transoceonic H500
Hi     Above a certain value increasing a bypass cap makes little difference.   An IF stage might originally have .0047 mf but .047 mf could be used with
Posted - Fri Nov 6, 2009 8:02 pm
NORMAN LEAL
normrleal
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 16 12 5 23 7 1 5 4 28 24
2008 207 22 39 41 91 21 39 47 20 22 13
2007 58 73 34 33 10 42 47 36 177

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