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2C51

Information - Help 
ID = 4218
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Bell Labs; Murray Hill, NJ. 
Tube type:  Double Triode   UHF 
Identical to 2C51 = 5670 = 396A = CV2831
Similar Tubes
Normally replaceable-slightly different:
  6CC42 ; 6Н3П
Heater different:
  18C51
Multiple differences or of other kind:
  6385
First Source (s)
25.Nov.1946 : Electron Tube Registration List 542
Successor Tubes 5670  

Base Noval, B9A (Codex=No 41)
Filament Vf 6.3 Volts / If 0.35 Ampere / Indirect / Parallel, (AC/DC) /
Description

This tube appears to be one of the earliest Noval (B9A) tubes, registered on November 25, in 1946, in the Electron Tube Registration List, short after the 12AU7, registered on October 18, 1946.

VHF/UHF medium mu dual triode, usable up to 800MHz.

GE, Hytron, Sylvania, Tung-Sol, WE known manufacturers.

 
Text in other languages (may differ)
Tube prices 4 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore, Sibley, USA 1996

 
2c51396a.jpg
2C51: Own collection
Kazimierz Jarosz

 
2c51_so.png
2C51: ARRL Handbook 1972
Michael Schlör

 
daten_2c51_6n3p.png
2C51: Electronic Universal Vade-Mecum Bd. 1
Anonymous 384 Collector


Usage in Models 1= 1950?? ; 1= 1960??

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


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