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6BY7

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ID = 3844
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 6BY7 = EF85 = W719
Similar Tubes
Other class quality (otherwise equal):
  EF865
First Source (s)
27.Jun.1952 : Electron Tube Registration List 1101
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description USA JEDEC registration for Philips EF85. 
Tube prices 1 Tube prices (visible for members only)
6by7.png
6BY7: Internet
Miguel Angel Trujillo-Rodriguez
no7_g_13.gif 6BY7: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		6by7_data_p1.png
6BY7: Miniwatt Electronics Handbook 1965
Stuart Irwin
More ...
Usage in Models 2= 1954 ; 8= 1955 ; 1= 1956 ; 4= 1957 ; 7= 1958? ; 38= 1958 ; 2= 1959? ; 39= 1959 ; 5= 1960? ; 73= 1960 ; 2= 1961? ; 30= 1961 ; 21= 1962 ; 21= 1963? ; 10= 1963 ; 10= 1964
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):273

Collection of

George Papaiz (CDN)
Collection of a member from FIN
Howard Craven (GB)
 
6by7_sylvania.jpg

6BY7
 
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