Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 32298
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Reflex Klystron   SHF/EHF (>3 GHz) 
Identical to 707B = RK707B = 707A/B = QK26
Similar Tubes
Normally replaceable-slightly different:
Multiple differences or of other kind:
Predecessor Tubes 707A  

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

Improved version of 707A. With customer supplied external cavity it covers a range from 2.3 to 3.75 GHz giving 80 to 175 mW in output.

Dimensions (WHD)
incl. pins / tip
30 x 135 x mm / 1.18 x 5.31 x inch
Weight 45 g / 1.59 oz
Information source -- Collector info (Sammler)   
Tube Lore (II)   
707B: My Collection
Bruce Morgenstern

More ...
Emilio Ciardiello


from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]