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262B

Information - Help 
ID = 35351
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 262B
Similar Tubes
Normally replaceable-slightly different:
  CV1728
Other characteristic (electr. data):
  262A

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Filament Vf 10 Volts / If 0.32 Ampere / Indirect / Specified voltage AC/DC
Description Low-noise audio preamplifier; mu 15, Gm 0.6 to 1.2mS. Silvered pins.
Ultra low-noise variant of 262A, with increased insulation between heater and cathode and internal hum shield. Later production in ST12 bulb.
Also made by STC. 
Information source Tube Lore (I)   
 
262b.jpeg
262B: Photo of tube from my collection - TS
Tomasz Szczesniak

 
262b_so.png
262B
Michael Schlör

 

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