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441A_WE

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ID = 35095
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to 441A_WE
Similar Tubes
Other base:
  102F
Predecessor Tubes D-91144  

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Telephony
Filament Vf 2.1 Volts / If 0.5 Ampere / Direct / Specified voltage AND current AC/DC
Description

Mu 30, low microphonics triode for telephone repeaters. 102F version with ST14 bulb on 4-pin push base. Tube designed for use as a voice frequency and carrier frequency voltage amplifier, detector or modulator.

 
Dimensions (WHD)
incl. pins / tip
x 120 x 46 mm / x 4.72 x 1.81 inch
Weight 44 g / 1.55 oz
Information source Tube Lore (I)   
- - Manufacturers Literature   

ux~~4.png 441A_WE: Fin Stewart
Fin Stewart


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