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248

Information - Help 
ID = 78638
       
Country:
United States of America (USA)
Brand: Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY
Developer: Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY 
Tube type:  Vacuum Pentode   Power/Output 
Identical to 248
Similar Tubes
Other shape (e.g. bulb type):
  47 ; UY247

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.5 Ampere / Direct / Specified voltage AC/DC
Description This tube was announced by Ken Rad in 1931, for use in the output stage of AC receivers. It has not been found to have been used in any known receivers. 
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 50 g / 1.76 oz
Information source -- Collector info (Sammler)   

kr_248_pins.png 248: Fin Stewart
Fin Stewart


Just Qvigstad
 
ken_rad_248_bm.jpg

 

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