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

SP215

Information - Help 
ID = 10282
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to SP215
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)
Base British-7-Pin, old (M7A) (Codex=Nr) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct
Information source History of the British Radio Valve to 1940   p. 149 & 196
Babani, International Radio Tube Encyclopaedia   p. 142 & 143
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
sp215_sock.png SP215: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

Just Qvigstad 		sp215_vp215_1.png
SP215: own collection
Peter den Boer
More ...
Usage in Models 1= 1929 ; 2= 1935
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

Frank Cuffe (IRL)
 
sp215.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