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Ut2B7

Information - Help 
ID = 25372
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Double Diode-Pentode   Universal   Controlling (mu) 
Identical to Ut2B7 = 2B7 = CV1706 = ER2B7 = PH2B7
Similar Tubes
Other shape (e.g. bulb type):
  G-2B7-S
Normally replaceable-slightly different:
  2B7EE ; VT157_GPO
First Source (s)
1933 : -- Collector info (Sammler) Vol. 7

Base 7-Pin-Base U7A = small, old, USA Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 0.8 Ampere / Indirect / Parallel, (AC/DC)
Description Glass type used as combined detector, amplifier, and avc tube. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 116 x 38 mm / x 4.57 x 1.50 inch
Weight 39 g / 1.38 oz
Literature Babani, International Radio Tube Encyclopaedia   
-- Collector info (Sammler)   
 
ut2b7.jpg
Ut2B7: KoBi
Konrad Birkner † 12.08.2014

 
ut2b7_so.png
Ut2B7: ARRL Handbook 1972
Michael Schlör

 

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