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Ut-6A7

Information - Help 
ID = 25424
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old)   Controlling (mu) 
Identical to Ut-6A7 = Ut6A7 = 6A7
Similar Tubes
Other shape (e.g. bulb type):
  G-6A7-S
Heater different:
  Ut-2A7 ; Ut2A7
First Source (s)
Mar.1933 : The AWA Journal Vol. 7, 1992.

Base 7-Pin-Base U7A = small, old, USA Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
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)   
 
0ut6a7_1.jpg
Ut-6A7: KoBi
Konrad Birkner † 12.08.2014

 
ut6a7_so_1.png
Ut-6A7: ARRL Handbook 1972
Michael Schlör

 

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