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UM-103A

Information - Help 
ID = 73452
       
Country:
Japan
Brand: Tokyo Electric Co. (TEC); Tokyo
Developer: Marconi's Wireless Telegraph Co. Ltd. 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to UM-103A = V24

Base Soffit 2 Sidecontacts.
Was used by Radio/TV-reception etc.
Filament Vf 5.2 Volts / If 0.75 Ampere / Direct / Battery =
Description

This tube is the Japanese version of theMarconi V24 tube

 
Dimensions (WHD)
incl. pins / tip
x 73 x 18 mm / x 2.87 x 0.71 inch
Weight 12 g / 0.42 oz
Information source -- Collector info (Sammler)   

 
um103_v24_tec_1927_uecm.jpg

 

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