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

X30

Information - Help 
ID = 8719
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  HEPTODE   Frequency converter   Controlling (mu) 
Identical to X30 = X32
Similar Tubes
Normally replaceable-slightly different:
  TH13C ; VHTS
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base British-7-Pin, old (M7A) (Codex=Ne) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source The Saga of Marconi Osram Valve   p. 227, & 335
Babani, International Radio Tube Encyclopaedia   p. 164 & 165
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

165_5.png X30: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 11= 1934 ; 1= 1935? ; 7= 1935 ; 4= 1936 ; 2= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25

Collection of

 
x30.jpg

X30
 

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