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X61M

Information - Help 
ID = 2611
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to X61M = CV281 = BVA275
Similar Tubes
Other shape (e.g. bulb type):
  X61
Normally replaceable-slightly different:
  6E8G ; 6E8MG ; CV3824 ; ECH35
First year 1939 History of the British Radio Valve to 1940
First Source (s)
1939 : History of the British Radio Valve to 1940

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description

Va <250, Vs<100, Supplied metallised only.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature
  x61m_app.png
  X61M: Manufacturer's Literature
Emilio Ciardiello
 
x61m~~1.jpg
X61M: COLECION PROPIA
Justo Puertas-Paule

 
oc24_1~~9.png
X61M: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
x61m_1_1.png
X61M: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 2= 1940 ; 3= 1941 ; 1= 1945?? ; 2= 1946? ; 7= 1946 ; 2= 1947?? ; 2= 1947? ; 16= 1947 ; 2= 1948?? ; 8= 1948? ; 3= 1948 ; 1= 1949? ; 19= 1949 ; 2= 1950?? ; 1= 1950? ; 27= 1950 ; 1= 1951? ; 6= 1951 ; 1= 1953?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):106


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