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490X

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ID = 84043
       
Country:
Great Britain (UK)
Brand: English Electric Valve Company Ltd. (EEV); Chelmsford
Developer: English Electric Valve Company Ltd. (EEV); Chelmsford 
Tube type:  SPECIAL TUBE, other or unknown   Text 
Identical to 490X
Similar Tubes
Normally replaceable-slightly different:
  VCRX340
Predecessor Tubes VCRX340  

Was used by Technology / Measurement
Filament
Description

This is an analogue multiplier tube for multiplying two signals up to several kilohertz.

 
Information source - - Manufacturers Literature   catalogue 1962-1963

 

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