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Z77

Information - Help 
ID = 19410
       
Country:
Worldwide
Brand:
Tube type:  Vacuum Pentode   VHF 
Identical to Z77 = CV138 = 5A/160H = EF91 = 6AM6
Similar Tubes
Normally replaceable-slightly different:
  5A/160K
Other class quality (otherwise equal):
  QA2403
First Source (s)
Jun.1947 : Wireless World (The), London (WW, 79)
Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description

RF-Pentode von Marconi oder GEC mit Miniatursockel

 
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
mi16_g_4.gif Z77: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad 		z77_mv_01.png
Z77: Manufacturer's Literature
Emilio Ciardiello
More ...
Usage in Models 1= 1948 ; 1= 1949? ; 4= 1949 ; 1= 1950? ; 7= 1950 ; 1= 1951? ; 3= 1951 ; 1= 1952? ; 3= 1952 ; 6= 1953 ; 1= 1954? ; 5= 1954 ; 2= 1955? ; 8= 1955 ; 1= 1956? ; 1= 1957? ; 1= 1960? ; 1= 1964
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):48

Collection of

Frank Cuffe (IRL)
Jacob Roschy (D)
João-Afonso Santos (P)
Patrice Zeissloff (F)
Geri Meier (CH)
Peter Pfeiffer (D)
Collection of a member from D
Collection of a member from FIN
Robert Gillespie (USA)
 
z77m.w.t._2_klein.jpg

Z77
 
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