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6AN7

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ID = 21858
       
Country:
Australia
Brand: Common type Australia tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode-Hexode   Frequency converter 
Identical to 6AN7 = ECH80
Similar Tubes
Heater different:
  12AN7 ; 6AN7A
Other base:
  ECH42
First year 1949 -- Collector info (Sammler) Introduction late 1949.
First Source (s)
29.Apr.1949 : Electron Tube Registration List rec. 753
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

JEDEC registered code for ECH80. The registration was released to N. V. Philips Company, Irvinghton-on-Hudson, N.Y., referring to attached documentation from Philips Eindhoven, dated December 1948.

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

 
Tube Tester Data Avo CT160
6an7.png
6AN7: Schematic from my documents.
Pier Antonio Aluffi
no34_g.gif 6AN7: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		6an7_01.png
6AN7: Manufacturer's Literature
Emilio Ciardiello
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Usage in Models 3= 1949? ; 1= 1949 ; 1= 1950?? ; 7= 1950? ; 65= 1950 ; 14= 1951? ; 60= 1951 ; 2= 1952?? ; 4= 1952? ; 57= 1952 ; 1= 1953?? ; 6= 1953? ; 66= 1953 ; 1= 1954?? ; 3= 1954? ; 85= 1954 ; 2= 1955? ; 74= 1955 ; 1= 1956?? ; 7= 1956? ; 44= 1956 ; 1= 1957? ; 27= 1957 ; 42= 1958 ; 1= 1959? ; 20= 1959 ; 1= 1960?? ; 3= 1960? ; 13= 1960 ; 19= 1961 ; 4= 1962? ; 19= 1962 ; 14= 1963 ; 9= 1964 ; 16= 1965 ; 2= 1966? ; 13= 1966 ; 3= 1967 ; 2= 1968?? ; 10= 1968 ; 5= 1969
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):728

Collection of

Tom Antal (AUS)
Karlheinz Fischer (D)
Keith Ellison (AUS)
 
nld_philips_6an7.jpg

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