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EAA91

Country:  Europe      Brand:  Common type Europe tube 
  Tube type:  Double Diode   Detector 
Tube ID = 341
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Identical to EAA91 = EB91 = 6AL5 = 6h2p = D2M9 = D77 = 6D2 = 6B32 = CV283 = AA91E = DD6_Ferranti-Cossor
Similar Tubes Other class quality (otherwise equal):
 5726; 6058; 6097; 6663; 6AL5W; CV4025; EAA901; EAA901S
Heater different:
 12AL5; UAA91; XAA91
First year   1951 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Jul.1951 : Funkschau (FS) 1951 Heft 12
Predecessor Tubes EB41  

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Dimensions (WHD)
incl. pins / tip
19 x 44 x mm / 0.75 x 1.73 x inch
Tube prices 6 Tube prices (visible for members only)

  eaa91.gif
  EAA91: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
tfk_eaa91_1.jpg
EAA91: B.N.
Bernhard Nagel

 
mi19.png
EAA91: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
eaa91_valvo_data_01.png
EAA91: Valvo
Dietrich Grötzer

Usage in Models   3= 1951?? ; 34= 1951 ; 2= 1952? ; 22= 1952 ; 1= 1953?? ; 4= 1953? ; 28= 1953 ; 3= 1954?? ; 10= 1954? ; 53= 1954 ; 4= 1955?? ; 8= 1955? ; 62= 1955 ; 4= 1956?? ; 8= 1956? ; 69= 1956 ; 16= 1957?? ; 24= 1957? ; 56= 1957 ; 11= 1958?? ; 10= 1958? ; 47= 1958 ; 3= 1959?? ; 8= 1959? ; 66= 1959 ; 25= 1960?? ; 23= 1960? ; 64= 1960 ; 3= 1961?? ; 23= 1961? ; 41= 1961 ; 2= 1962?? ; 15= 1962? ; 41= 1962 ; 5= 1963?? ; 4= 1963? ; 45= 1963 ; 6= 1964?? ; 6= 1964? ; 17= 1964 ; 9= 1965?? ; 2= 1965? ; 25= 1965 ; 6= 1966?? ; 16= 1966 ; 4= 1967?? ; 1= 1967? ; 7= 1967 ; 4= 1968?? ; 1= 1968? ; 1= 1968 ; 1= 1969 ; 2= 1970?? ; 1= 1970? ; 1= 1970 ; 1= 1971? ; 1= 1972? ; 1= 1975??
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   960

Forum contributions about this tube
EAA91    
Threads: 1 | Posts: 1
Hits: 1059     Replies: 0
Probleme mit der EAA91
H. P.
06.Sep.06
  1 Hallo Kollegen,

in letzter Zeit hatte ich kurz hintereinander zweimal das gleiche Problem mit einer EAA91: eine Diode war rgelrecht "platt", die Folgen für die UKW-Demodulation (es waren beides Grundig-Geräte) kann man sich vorstellen. Nun die Frage an die Leser: wem ist das noch so ergangen, ist das signifikant ?

Gruß
Holger Pflug
 
EAA91    
End of forum contributions about this tube

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