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CV133

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ID = 15637
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Tube type:  Triode, vacuum   Universal 
Identical to CV133 = L77 = 6C4 = EC90
Similar Tubes
Normally replaceable-slightly different:
  CV852
Other class quality (otherwise equal):
  CV4058 ; M8080

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zk)
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
l77cv133marconiph3s.jpg
CV133: Patrice ZEISSLOFF
Patrice Zeissloff

 
cv133_so.png
CV133: ARRL Handbook 1972
Michael Schlör

 
cv133_1.png
CV133: Manufacturer's Literature
Emilio Ciardiello


from Just Qvigstad

Usage in Models 1= 1956? ; 1= 1962

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


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