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S-300

Information - Help 
ID = 81598
       
Country:
United States of America (USA)
Brand:
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to S-300
Similar Tubes
Normally replaceable-slightly different:
  HF300 ; KU23

Base Jumbo 4-pin bayonet (1918) Sidecontact and top contact.
Was used by Transmittertube (Radio)
Filament Vf 11 Volts / If 4 Ampere / Direct
Description

Appears to be physicially identical to a United KU-23. Stamped Scientific Electric of Garfield, New Jersey

 
Dimensions (WHD)
incl. pins / tip
x 259 x 76 mm / x 10.20 x 2.99 inch
Weight 330 g / 11.64 oz

hf300_so~~2.png S-300: Fin Stewart
Fin Stewart


Just Qvigstad
 
20200413_141147.jpg

 

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