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RES347

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ID = 28257
       
Country:
Italy
Brand: Telefunken Italia, Milano
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   Power/Output 
Identical to RES347
Similar Tubes
Normally replaceable-slightly different:
  47 ; UY247
First Source (s)
Jun.1931 : -- Collector info (Sammler)

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Direct / Specified voltage AC/DC
Description

Telefunken Nachbau der USA type 47.

 
Dimensions (WHD)
incl. pins / tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Weight 59 g / 2.08 oz

450_1~~1.png RES347: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
Usage in Models 1= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
dsc07136.jpg

RES347
 

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