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

S215VM

Information - Help 
ID = 12971
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to S215VM
Similar Tubes
Normally replaceable-slightly different:
  220VSG ; PM12V ; VS2_Ferranti
First Source (s)
02.Sep.1932 : Wireless World (The), London (WW, 79) p243

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Description

This is a variable mu tube.

 
Information source History of the British Radio Valve to 1940   p. 149 & 193
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

b4_sg~~3.png S215VM: Fin Stewart
Fin Stewart


Just Qvigstad
s215vm.png
S215VM: own collection
Peter den Boer

Usage in Models 1= 1932 ; 5= 1933 ; 1= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

 
s215vm.jpg

 

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