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UX866

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ID = 25714
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to UX866 = 566 = 866
Similar Tubes
Normally replaceable-slightly different:
  RaySX-866
Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 2.5 Volts / If 5 Ampere / Direct / Specified voltage AND current AC/DC
Description

Work started on the development of this tube at the GE laboratories I May 1928 and the tube was assigned the type number in October of that year. It was released to the public in January 1929

 
Dimensions (WHD)
incl. pins / tip		 x 159 x 64 mm / x 6.26 x 2.52 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
- - Manufacturers Literature
Tube Lore (II)
866_so_1.png UX866: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
Usage in Models 1= 1928? ; 1= 1930
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 
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