Model: Copp Vario Selector



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Copp Vario Selector


Country: United States of America (USA) Manufacturer/Brand: A-C Dayton Co.; Dayton (OH)
Year: 1924 Type: Wireless modul post 1920 (not a component) Mod.-ID = 100271 previous | Result List | next | New search for Radios etc. Schematics etc.: 0 (for members) Principle RF-Circuit (separate)Passiv or active RF circuit as (tuning) device for a receiver.
Passiver oder aktiver HF-Kreis als Abstimmvorsatz für einen Empfänger - aber auch breitband HF-Vorverstärker.
Tuned circuits 1 AM circuit(s);
Wave bands Broadcast only (MW).Mittelwellenempfänger
www.radiomuseum.org Model: Copp Vario Selector Material Wooden caseWooden case. Most radios have a wooden cabinet until the WW2. Caisse en bois.
Die meisten Heim-Rundfunkempfänger führen von Beginn an bis etwa Ende 60er Jahre Holz als Gehäuse. Auch frühe Reiseempfänger zeigen Holz (speziell in den 20er Jahren) oder Holz mit Stoffüberzug etc.
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes Preselector to improve selectivity. Converts a single circuit into a double circuit receiver. It is not just a wave trap! Designed by R.S.Copp.
Price in first year of sale 11 USD
Source of data Radio Manufacturers of the 20s, Vol 1, DouglasRadio Manufacturers of the 1920s Volume 1 of 3 (Third Printing of 1995) by Alan Douglas, The Vestal Press Ltd., USA.
   
This model was suggested by Konrad Birkner.
 
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Copp Vario Selector (A-C Dayton Co.; Dayton (OH))

 
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