Antique radios, Old Time Radios

X61M

Country:	Great Britain (UK)		Brand:	Marconi-Osram - (Valves/Tubes); GB
			Tube type:	Triode-Hexode Frequency converter Controlling (mu)

Tube ID = 2611

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Identical to	X61M = CV281 = X61 = BVA275
Similar Tubes	Normally replaceable-slightly different: 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: Manufacturer's Literature Emilio Ciardiello

X61M: MS
Martin Steyer

X61M: Telefunken Werkstattbuch
Wolfgang Bauer

X61M: Manufacturer's Literature
Emilio Ciardiello

Usage in Models	2= 1940 ; 3= 1941 ; 1= 1946? ; 7= 1946 ; 1= 1947?? ; 1= 1947? ; 16= 1947 ; 2= 1948?? ; 6= 1948? ; 3= 1948 ; 1= 1949? ; 16= 1949 ; 2= 1950?? ; 26= 1950 ; 1= 1951? ; 6= 1951
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 94

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