Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 18317
United States of America (USA)
Brand: Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY
Tube type:  Wunderlich Tube   Detector 
Identical to KR20 = 90_Wunderlich
Similar Tubes
Other characteristic (electr. data):
  29_Wunderlich ; WunderlichA_6pin
Other base and data slightly different:
First Source (s)
Aug.1932 : 70 Years of Radiotubes and V.

Base 6-Pin-Base U6A, old, USA (Codex=K)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description A triode with two equal grids and a single plate. Used as a full wave detector (am) with additional LF-amplification. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 103 x 38 mm / x 4.06 x 1.50 inch
Weight 40 g / 1.41 oz
Information source Babani, International Radio Tube Encyclopaedia   Page 114
KR20: W.H.
Wolfgang Holtmann


from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]