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OS1_7pin

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ID = 76871
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   Power/Output 
Identical to OS1_7pin
Similar Tubes
Other base:
  OS1

Base 7-Pin-Base U7B = medium, old, USA Top contact with a cap.
Filament Vf 6.3 Volts / If 1.3 Ampere / Indirect / Specified voltage AC/DC
Description

Unusual 7 pin version of the OS1 used for audio and RF power operations

Pa <25W

Typ Va 600V, Vg2 300V, Ik 130mA

 
Dimensions (WHD)
incl. pins / tip
50 x 125 x mm / 1.97 x 4.92 x inch
Information source -- Collector info (Sammler)   
Radio Schema's, Deel II   Vade Mecum 1950


Just Qvigstad

Collection of

 
os1_1.jpg

OS1_7pin
 

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