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ID = 35031
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Reflex Klystron   SHF/EHF (>3 GHz) 
Identical to 2K54
Similar Tubes
Normally replaceable-slightly different:
Successor Tubes 2K55  

Base Octal with RF-contact (long)
Filament Vf 6.3 Volts / If 0.45 Ampere

200mW output at 3.7 to 4.2GHz. 723A/B format, with coaxial out through the octal-like base.
Also 'A' suffix, 3.85 to 4.1GHz, 'B', 3.6 to 3.9GHz. 'DA' (NEC), 3.6 to 3.9GHz.

Information source Tube Lore (I)   
Emilio Ciardiello


from Just Qvigstad

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