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ID = 32299
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Reflex Klystron   SHF/EHF (>3 GHz) 
Identical to RK707B = 707B = QK26 = 707A/B
Similar Tubes
Normally replaceable-slightly different:

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Radar
Filament Vf 6.3 Volts / If 0.58 Ampere / Indirect / Specified voltage AC/DC

The improved version of the 707 and 707A. It covers a range from 2.3 to 3.75 GHz with an 80mW output.

Dimensions (WHD)
incl. pins / tip
30 x 135 x mm / 1.18 x 5.31 x inch
Weight 45 g / 1.59 oz
Tube prices 1 Tube prices (visible for members only)
Information source -- Collector info (Sammler)   
RK707B: Private collection
Emilio Ciardiello

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Emilio Ciardiello

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RK707B: Manufacturer's Literature
Emilio Ciardiello

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