Antique radios, Old Time Radios

MS4B

Country:	Great Britain (UK)		Brand:	Marconi-Osram - (Valves/Tubes); GB
			Tube type:	Screen-grid Tetrode RF/IF-Stage

Tube ID = 2536

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Identical to	MS4B
Similar Tubes	Normally replaceable-slightly different: T4500

Base	Europe 5-Pin (O5A, B5) (Codex=Fc)
Filament	Vf 4 Volts / If: 1 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	Plain and metallised bulbs available.
Literature	- - Manufacturers Literature Taschenbuch zum Röhren-Codex 1948/49

MS4B: CA
Christian ADAM

MS4B: Telefunken Werkstattbuch
Wolfgang Bauer

MS4B: osram wireless guide 1931
Giuseppe Antonio Tusini

Usage in Models	1= 1929 ; 5= 1931 ; 3= 1932? ; 9= 1932 ; 2= 1933? ; 22= 1933 ; 1= 1934?? ; 11= 1934 ; 1= 1935?? ; 4= 1935 ; 2= 1938 ; 3= 1939 ; 1= 1945?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 65

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