Konrad Birkner
D Articles: 1460 Schem.: 222 Pict.: 1277 23.Mar.04 11:22 |
westinghou: RC; Receiver
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Tuning by variable condenser and variometer coupled on a single shaft; 180 to 700 metres; (with load coil 1800 to 2800 metres; see photo); This principle used later by Telefunken for the "TELEFUNKON D" or "E304" which was a licensed copy of the RC with minor variations e.g. metric thread / different audio transformers / slightly different tube socket sleeves / different capacitors and resistors;
Ref.: RCA catalog 1922 Robertson-Cataract catalog 1922 Authors collection This article was edited 30.Mar.04 13:35 by Konrad Birkner . |
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20NovX |
