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N77

Information - Help 
ID = 19557
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Vacuum Pentode   Power/Output 
Identical to N77 = EL91 = CV136
Similar Tubes
Other class quality (otherwise equal):
  QA2402

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel, (AC/DC)
Description

Schirmgitter: 250 V und 2,4 mA; Steilheit: 2,6 mA/V; 1,4 Watt; Ri 130 kOhm; Ra 16 kOhm

 
 
n77pix.jpg
N77: MWT GREAT BRITAIN
John Albion

 
mi17_g_1.gif
N77: RTT Schwandt
Günther Stabe † 19.8.20

 

from Just Qvigstad

Usage in Models 1= 1948? ; 1= 1954? ; 1= 1964

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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