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CV4003

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ID = 25886
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Double Triode   Universal 
Identical to CV4003 = 6189 = 12AU7WA = 6189W = M8136
Similar Tubes
Normally replaceable-slightly different:
  6067
Other class quality (otherwise equal):
  12AU7 ; 13D8 ; CV491 ; ECC82

Base Noval, B9A
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel, (AC/DC)
Description Special Quality tube for critical applications.
Ruggedised version of the CV491, electrically interchangeable. 
Literature - - Manufacturers Literature   
-- Original-techn. papers.   
 
cv4003_mull.jpg
CV4003: RFJ
Roy Johnson

 
cv4003_so.png
CV4003: ARRL Handbook 1972
Michael Schlör

 
cv4003_1.png
CV4003: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 1= 1958 ; 1= 1970?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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