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ID = 32807
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 15R = CV934 = 4B30 = 8023_USA
Predecessor Tubes 15E  

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Radar
Filament Vf 5 Volts / If 4 Ampere / Direct

HV rectifier; gridless 15E, all glass. 20 kV PIV, 30 mA.

Eimac, Electrons and Federal known manufacturers.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
35 x 69 x mm / 1.38 x 2.72 x inch
Weight 25 g / 0.88 oz
Information source -- Collector info (Sammler)   
Tube Lore (I)   
Tube Lore (II)

15r_3.png 15R
Emilio Ciardiello

Collection of



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