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VT-4B

Information - Help 
ID = 20337
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to VT-4B = 211 = CV620
Similar Tubes
Normally replaceable-slightly different:
  D-80039
Multiple differences or of other kind:
  VT-GM-4B

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.2 Ampere / Direct / Specified voltage AC/DC
Description

Convection cooled 75 Watt anode dissipation; thoriated-tungsten filament. Mu 12. Uses include AF power amplifiers or modulators, class B RF amplifiers, class C RF amplifiers or oscillators.

 
Dimensions (WHD)
incl. pins / tip
x 210 x 64 mm / x 8.27 x 2.52 inch
Weight 200 g / 7.05 oz
Information source Tube Lore (I)   
Tube Lore (II)   p. 30 & 179
Babani, International Radio Tube Encyclopaedia

vt4b_so_1.png VT-4B: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad

Collection of

 
vt4_b.jpg

VT-4B
 

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