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6A7E

Information - Help 
ID = 25568
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old)   Controlling (mu) 
Identical to 6A7E = 6A7 = CV1870 = Ut6A7
Similar Tubes
Other shape (e.g. bulb type):
  G-6A7-S
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
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
6a7e_philco_rmf.jpg
6A7E: My Collection
Bruce Morgenstern

 
6a7e_so.png
6A7E: ARRL Handbook 1972
Michael Schlör

 

from Just Qvigstad

Usage in Models 1= 1933? ; 4= 1937 ; 1= 1938? ; 10= 1938 ; 1= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):17


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