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HP215_Hivac

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ID = 20904
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to HP215_Hivac
First Source (s)
1934 : History of the British Radio Valve to 1940 p. 195

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC
Description

Also issued with B4 base.

 
Information source - - Manufacturers Literature   
Wireless World (The), London (WW, 79)   November 22, 1935

hp215_sock.png HP215_Hivac: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


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