radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

EF91

Information - Help 
ID = 18603
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF91 = Z77 = 6F12 = 8D3 = 6AM6 = N79 = CV138 = 5A/160H = M2462-406
Similar Tubes
Normally replaceable-slightly different:
  5A/160K ; 6024 ; 6064 ; 7498 ; CV1955
Other class quality (otherwise equal):
  6AM6S ; CV4014 ; M8083 ; PM07 ; R144 ; S6F12
Other base:
  5A/159G ; CV2031 ; EF91G
Other base and data slightly different:
  CV2000 ; CV4002

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Tube prices 6 Tube prices (visible for members only)
Literature -- Collector info (Sammler)   
  ef91.gif
  EF91: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ef91_siemens~~1.jpg
EF91: My own collection
Hannu Alho

 
mi16.png
EF91: RTT 1964 (Franzis) 10. Auflage
Martin Renz

 
ef91_mullard_data_01.png
EF91: Mullard - original papers
Wolfgang Romeyke


Usage in Models 6= 1949 ; 1= 1950?? ; 1= 1950? ; 8= 1950 ; 1= 1951 ; 2= 1952 ; 1= 1953?? ; 2= 1954?? ; 1= 1954? ; 2= 1954 ; 6= 1955?? ; 1= 1955? ; 1= 1955 ; 4= 1956?? ; 1= 1956 ; 2= 1957? ; 1= 1957 ; 1= 1958?? ; 1= 1959? ; 3= 1960?? ; 1= 1960? ; 1= 1962?? ; 1= 1962? ; 1= 1963? ; 1= 1963 ; 1= 1964? ; 3= 1965?? ; 1= 1966?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):56


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg