Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 20627
United States of America (USA)
Brand: Arcturus Radio Tube Co.; Newark, NJ
Tube type:  LOCKED OFF TUBE (CODE 9) - see in Notes   Detector 
Identical to WunderlichA_6pin
Similar Tubes
Other characteristic (electr. data):
  29_Wunderlich ; 90_Wunderlich ; KR20
Other base:

Base 6-Pin-Base U6A, old, USA
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description See Wunderlich and Wunderlich A;
Single triode having two parallel(intermeshed) grids equally spaced from the single cathode and the single plate. Used as a full wave detector (AM) with additional LF-amplification. It was made with a 5 pin base and a top cap (= cathode) and also with a 6 pin base without cap. 
Text in other languages (may differ)
WunderlichA_6pin: 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]