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R30

Information - Help 
ID = 67785
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to R30
Similar Tubes
Normally replaceable-slightly different:
  27
Different connections:
  R32

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.8 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source - - Manufacturers Literature   

446_1~~2.png R30: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
rogersdata2.png
R30: own collection
Peter den Boer

Collection of

 
r30_bild1.png

R30
 

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