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L77

Information - Help 
ID = 21609
       
Country:
Great Britain (UK)
Brand: GEC, General Electric Co.; London
Tube type:  Triode, vacuum   Universal 
Identical to L77 = EC90 = CV133
Similar Tubes
Normally replaceable-slightly different:
  CV852
Other class quality (otherwise equal):
  QA2401

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Description

Comprises a single triode as used in the B327/12AU7

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
19 x 55 x mm / 0.75 x 2.17 x inch
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
 
_dsc0644.nef.jpg
L77: S.A.C.
Stig Comstedt

 
mi50_g_2.gif
L77: RTT Schwandt
Günther Stabe

 
gb_marconi_l77_dstasheet.png
L77: Marconi DataSheet
Franz Scharner


Usage in Models 1= 1950? ; 1= 1950 ; 1= 1954? ; 2= 1955? ; 1= 1957 ; 1= 1960??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7


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