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DW-2

Information - Help 
ID = 79744
       
Country:
United States of America (USA)
Brand: National Radio Tube Company; San Francisco, CA
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   VHF 
Identical to DW-2
Similar Tubes
Normally replaceable-slightly different:
  552 ; 852

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Sidecontact and top contact.
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.2 Ampere / Direct / Specified voltage AC/DC
Description

This tube employs a six wire grid that gives more equal heating of the plate than any other tube of similar power output. the plate is also designed to have six heat dissipating "fins" . Plate voltage is 2000 and amplification factor 12.

 
Dimensions (WHD)
incl. pins / tip
135 x 190 x 95 mm / 5.31 x 7.48 x 3.74 inch
Weight 175 g / 6.17 oz
Information source -- Collector info (Sammler)   
 
national_dw2_2.jpg
DW-2: Norm Wilson collection
Fin Stewart

More ...
 
ux852_so_1.png
DW-2: Fin Stewart
Fin Stewart

 

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