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EF805S

Information - Help 
ID = 18607
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF805S
Similar Tubes
Multiple differences or of other kind:
  E85F ; EF85 ; EF865
Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Technology / Measurement
Filament Vf 6.3 Volts / If 0.285 Ampere / Indirect / Specified voltage AC/DC
Tube prices 4 Tube prices (visible for members only)
ef805s.gif
EF805S: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
ef805s_sock.png EF805S: Telefunken Taschenbuch 1971
Anonymous 15 Collector

Just Qvigstad 		ef805s_spec.png
EF805S: Telefunken Taschenbuch 1971
Anonymous 15 Collector
More ...
Usage in Models 1= 1955? ; 2= 1956 ; 1= 1958 ; 1= 1960? ; 1= 1960 ; 1= 1962 ; 1= 1965?? ; 1= 1965
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9

Collection of

Stig Comstedt (S)
Reinhard Riek (D)
Oskar Elm (D)
Karl - Heinz Bossan (D)
Collection of a member from D
Ottmar Rollmann (D)
Collection of a member from FIN
Ulrich Fieseler (D)
Collection of a member from D
Danko Tkalec (HR)
Tomasz Szczesniak (PL)
Georges Werts (B)
 
ef805s_telefunken.jpg

EF805S
 
Forum contributions about this tube
EF805S
Threads: 1 | Posts: 2
Hits: 3103     Replies: 1
EF805S (EF805S)
Lars-G. Lundelin
16.Mar.08 		  1
EF805S (EF805S) 
According to Tube Museum (http://www.roehren-museum.de/englisch/user/home.htm) the EF805S is a long life version of the EF85.
Jacob Roschy
16.Mar.08 		  2
No subject 
A number of databooks mentions the EF805S as long life version of the EF85. Although there are some differences in operating data and characteristics. Even the heater current is different, i.e. 285 vs. 300 mA.

Regards, Jacob

 
EF805S
End of forum contributions about this tube
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