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

7AB7

Information - Help 
ID = 5120
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer:  
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 7AB7 = 1204_Sylvania
First Source (s)
15.Nov.1945 : Electron Tube Registration List
Predecessor Tubes 1204_Sylvania  

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Ugo)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 68 & 227
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49

7ab7.png
7AB7: Schematic from my documents.
Pier Antonio Aluffi

7ab7_sock.png 7AB7: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
7ab7_characteristics.png
7AB7: My schematic collection.
Pier Antonio Aluffi

 

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]
  

Data Compliance More Information