radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

7A5

Information - Help 
ID = 2990
       
Country:
United States of America (USA)
Brand:
Tube type:  Beam Power Tube 
Identical to 7A5
Similar Tubes
Heater different:
  35A5
First Source (s)
04.May.1939 : Electron Tube Registration List

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wdb)
Filament Vf 6.3 Volts / If 0.75 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 2 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  7a5.png
  7A5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
7a5.jpeg
7A5: Photo of tube from my collection - TS
Tomasz Szczesniak

 
355_1.png
7A5: Telefunken Werkstattbuch
Wolfgang Bauer

 
7a5_techdat01.png
7A5: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1939? ; 4= 1939 ; 1= 1940 ; 3= 1941 ; 1= 1946?? ; 1= 1946 ; 1= 1948? ; 7= 1948 ; 6= 1949 ; 6= 1950?? ; 1= 1952??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):32


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