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4BZ7

Information - Help 
ID = 4410
       
 
   
Tube type:  Double Triode 
Identical to 4BZ7 = 4BQ7A
Similar Tubes
Heater different:
  5BQ7A ; 6BQ7A ; 6BS8 ; 6BZ7

Base Noval, B9A
Was used by Radio/TV-reception etc.
Filament Vf 4.2 Volts / If 0.6 Ampere / Indirect / Series, AC/DC
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
  4bz7.png
  4BZ7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
rca_4bz7_front.jpg
4BZ7: From own collection
David Erali

 
4bz7.png
4BZ7: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

 
4bz7_techdat01.png
4BZ7: RCA Tube Manual
Peter Hoddow


Usage in Models 12= 1955? ; 76= 1956? ; 112= 1957?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):200


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