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259B

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ID = 35246
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Screen-grid Tetrode   Audio Frequency 
Identical to 259B
Similar Tubes
Normally replaceable-slightly different:
  259A

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Filament Vf 2 Volts / If 1.6 Ampere / Indirect / Specified voltage AC/DC
Description Lower noise version of 259A, intended for audio preamplifiers. 
Information source Tube Lore (I)   
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Collection of

 
259b.jpg

259B
 

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