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6BD7

Information - Help 
ID = 33451
       
Country:
Australia
Brand: Common type Australia tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 6BD7 = 6BD7A = EBC81
Similar Tubes
Other base:
  EBC41
First year 1949 -- Collector info (Sammler) Introduction late 1949
First Source (s)
15.Mar.1950 : Electron Tube Registration List 837
Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.23 Ampere / Indirect / Specified voltage AC/DC
Description

6BD7 is the U.S. RMA registration code of the EBC81 on application of Philips Gloeilampenfabrieken, Eindhoven, Holland.
Productions by Philips related firms, as Amalgamated, Australia.

Part of the Innoval family, early noval tubes with frit-seal base sealing to envelope, first introduced by Philips Australia.

 
6bd7.png
6BD7: Schematic from my documents.
Pier Antonio Aluffi
6bd7_so.png 6BD7: rtt
Anonymous 10 Collector

Just Qvigstad 		6bd7_data_p1.png
6BD7: Miniwatt Electronics Handbook 1965
Stuart Irwin
More ...
Usage in Models 2= 1950? ; 17= 1950 ; 3= 1951? ; 9= 1951 ; 16= 1952 ; 24= 1953 ; 1= 1954?? ; 5= 1954? ; 39= 1954 ; 42= 1955 ; 7= 1956? ; 29= 1956 ; 1= 1957? ; 17= 1957 ; 31= 1958 ; 4= 1959 ; 1= 1961 ; 1= 1963 ; 1= 1964 ; 1= 1965 ; 1= 1966
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):252

Collection of

Tom Antal (AUS)
Stuart Irwin (AUS)
Rudolf Osterkamp (D)
 
6bd7.jpg

6BD7
 
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