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SP1320

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ID = 10283
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to SP1320 = 8D2
Similar Tubes
Normally replaceable-slightly different:
  CV1108
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)
Base British-7-Pin, old (M7A) (Codex=Nc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Information source History of the British Radio Valve to 1940   p. 149 & 196
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 158, p. 219
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
sp1320_sock.png SP1320: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

Just Qvigstad
Usage in Models 1= 1934 ; 1= 1935
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

Roddie Rankin (GB)
 
2c82ee44_7705_45bf_8449_7f1da557a6d3.jpeg

 
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