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CK5687

Country:  United States of America (USA)      Brand:  Raytheon Mfg. Co.; Cambridge, USA (also tubes) 
  Tube type:  Double Triode 
Tube ID = 29570
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Identical to CK5687 = 5687 = CV2578
Similar Tubes Other class quality (otherwise equal):
 CK5687WA

Base Noval, B9A
Filament Vf 6.3 Volts / If: 0.8 Ampere / -: Indirect /
Description Dual triode for computer use. Heaters can be series connected, 12.6V, 0.4A.
Note the unusual base connections, with the heater center tap to pin 8 and the anode of second triode to pin 9. 
Text in other languages (may differ)
Literature Electronic Universal Vade-Mecum 1960   group 271
- - Manufacturers Literature   
Tube Lore, Sibley, USA 1996

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CK5687: rtt
Michael Schlör

 
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CK5687: Manufacturer's Literature
Emilio Ciardiello


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