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ID = 35098
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to 102F
Similar Tubes
Normally replaceable-slightly different:
  3A/142AY ; 4102D ; SY4102D
Heater different:
Heater and shape different:
Other base:
Successor Tubes D-90279   D-91144   D-90278  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Telephony
Filament Vf 2.1 Volts / If 0.5 Ampere / Direct / Battery =

Half-current version of 102D; filament current drain reduced to 0.5A; controlled microphonics. ST-14 bulb.

Dimensions (WHD)
incl. pins / tip
59 x 109 x mm / 2.32 x 4.29 x inch
Weight 58 g / 2.05 oz
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (I)   
- - Manufacturers Literature   

uv~~25.png 102F: Fin Stewart
Fin Stewart

Just Qvigstad
102F: own collection
Peter den Boer

More ...

Collection of



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