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2H21

Information - Help 
ID = 35453
       
Country:
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  SPECIAL TUBE, other or unknown 
Identical to 2H21
Similar Tubes
Different maximum ratings:
  5593

Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description GE 'Phasitron' phase modulator for use in FM transmitters. 11 pin magnal base. Used in GE and Gates FM transmitter in the 40s.
Phasitron devices described here. 
Weight 85 g / 3.00 oz
Information source - - Manufacturers Literature   
Tube Lore (I)   

2h21_ge_base.png 2H21: Manufacturer's Literature
Emilio Ciardiello

phas_app_2.png
2H21: Manufacturer's Literature
Emilio Ciardiello

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Collection of

 
2h21_a.jpg

2H21
 

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