Antique radios, Old Time Radios

0B2

Country:	United States of America (USA)	Brand:	Common type USA tube
		Developer:	Hytron; Salem (MA)
		Tube type:	Voltage Regulator, single Power-supply

Tube ID = 3944

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Identical to	0B2 = VR105MT = STV108/30 = 108C1 = CV1833 = AG5210 = SR55 = StR108/30
Similar Tubes	Other class quality (otherwise equal): 0B2WA; 6074; CV4028
First Source (s)	18.May.1945 : Electron Tube Registration List 409
Successor Tubes	CK5787

Base	Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Z)
Filament	-: No heater /
Description	Stabilized voltage 105V, regulation within 1V from 5 to 30mA; 133V minimum anode supply voltage.
Dimensions (WHD) incl. pins / tip	20 x 67 x mm / 0.79 x 2.64 x inch
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	0B2: RCA Tube Manual Peter Hoddow

0B2
Ulrich Fieseler

0B2: Ratheiser RTH,3.Aufl.,1964
Egon Penker

0B2: MAZDA
Bekir Yurdakul

Usage in Models

1= 1948 ; 1= 1949?? ; 1= 1950?? ; 1= 1950 ; 2= 1951?? ; 1= 1951? ; 5= 1951 ; 2= 1952? ; 3= 1952 ; 2= 1953? ; 2= 1953 ; 3= 1954?? ; 1= 1954? ; 4= 1954 ; 14= 1955?? ; 1= 1955? ; 4= 1955 ; 3= 1956?? ; 1= 1956? ; 6= 1956 ; 1= 1957?? ; 1= 1957? ; 7= 1957 ; 5= 1958?? ; 6= 1958 ; 2= 1959?? ; 6= 1959? ; 13= 1959 ; 13= 1960?? ; 4= 1960 ; 2= 1961? ; 3= 1961 ; 1= 1962?? ; 3= 1962? ; 5= 1962 ; 1= 1963? ; 1= 1963 ; 2= 1964?? ; 2= 1964? ; 3= 1964 ; 2= 1965? ; 1= 1966?? ; 4= 1966 ; 1= 1967? ; 1= 1967 ; 2= 1968?? ; 2= 1968 ; 3= 1969 ; 1= 1970?? ; 1= 1971 ; 1= 1972?? ; 1= 1975? ; 2= 1977? ; 1= 1999

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 162

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