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E1662

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ID = 30023
       
Country:
Great Britain (UK)
Brand: Marconi's Wireless Telegraph Co. Ltd.
Developer: Hytron; Salem (MA) 
Tube type:  Vacuum Pentode   Power/Output 
Identical to E1662
Similar Tubes
Normally replaceable-slightly different:
  6AR5

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect
Description

Class A amplifier developed at the Hirst Research Centre of GEC.

 
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 214, p. 422
Babani, International Radio Tube Encyclopaedia   p. 100 & 101


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