radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

X20

Information - Help 
ID = 21524
       
Country:
Great Britain (UK)
Brand: GEC, General Electric Co.; London
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter   Controlling (mu) 
Identical to X20 = DK92

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
19 x 54 x mm / 0.75 x 2.13 x inch
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
- - Manufacturers Literature   GEC Data sheet May 1958
 
mi21_g_3.gif
X20: RTT Schwandt
Günther Stabe

 

Usage in Models 1= 1925?? ; 1= 1940??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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