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E81L

Information - Help 
ID = 18744
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to E81L = 6686
Similar Tubes
Normally replaceable-slightly different:
  EL861
Heater different:
  18045 ; 18046 ; H81L
First Source (s)
Jun.1957 : -- Original-techn. papers.

Base Noval, B9A
Filament Vf 6.3 Volts / If 0.375 Ampere / Indirect / Parallel, (AC/DC)
Description

Langlebensdauertyp für Telefonieverstärker,
Betriebsdaten: Ua=Ug2= 210V,
Ia= 20mA für 1W an Ra= 15 kOhm mit Rk= 120 Ohm

 
Dimensions (WHD)
incl. pins / tip
22 x 61 x 22 mm / 0.87 x 2.40 x 0.87 inch
Tube prices 7 Tube prices (visible for members only)
  e81l.png
  E81L: Internet
Miguel Angel Trujillo-Rodriguez
 
e81l.jpeg
E81L: Photo of tube from my collection - TS
Tomasz Szczesniak

 
e81l_sock.png
E81L: Ratheiser RTH,3.Aufl.,1964
Egon Penker

 
e81l_kennlinie.png
E81L: Ratheiser RTH,3.Aufl.,1964
Egon Penker


Usage in Models 2= 1957? ; 2= 1957 ; 1= 1958? ; 1= 1958 ; 1= 1959 ; 3= 1960?? ; 1= 1960 ; 2= 1961? ; 1= 1962? ; 1= 1963? ; 1= 1964?? ; 1= 1964? ; 1= 1964 ; 1= 1965 ; 1= 1966 ; 1= 1967?? ; 2= 1968?? ; 1= 1969 ; 1= 1980

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25



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