radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

7A7E

Information - Help 
ID = 25405
       
Country:
United States of America (USA)
Brand: Philco, Philadelphia Stg. Batt. Co.; USA
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 7A7E = 7A7
First Source (s)
09.Dec.1938 : -- Collector info (Sammler)

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description at Philco only 
Text in other languages (may differ)
Information source

7a7e_so.png 7A7E: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
Usage in Models 1= 1940 ; 2= 1941 ; 1= 1942 ; 1= 1946

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

 
7a7e_rmf.jpg

7A7E
 

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]
  
rmXorg