Antique radios, Old Time Radios

6A7E

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 / Specified voltage AND current 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: My Collection
Bruce Morgenstern

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

Collection of Bruce Morgenstern (CDN)

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