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90_Wunderlich

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ID = 20372
       
Country:
United States of America (USA)
Brand: Arcturus Radio Tube Co.; Newark, NJ
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Wunderlich Tube   Detector 
Identical to 90_Wunderlich = KR20
Similar Tubes
Normally replaceable-slightly different:
  90_Ken-Rad
Other characteristic (electr. data):
  29_Wunderlich ; WunderlichA_6pin
Other base and data slightly different:
  WunderlichA_5pin
Base 6-Pin-Base U6A, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage 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 37 g / 1.31 oz
Information source Tube Lore (II)   p. 33
tubesockel_klein_wa6p_1.png 90_Wunderlich: W.H.
Wolfgang Holtmann

Just Qvigstad
 
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