Antique radios, Old Time Radios

UBC81

Country:	Europe		Brand:	Common type Europe
			Tube type:	Double Diode-Triode Audio Frequency

Tube ID = 3426


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Identical to	UBC81 = 10LD13 = DH119 = 15BD7A
Similar Tubes	Normally replaceable-slightly different: 14G6 Heater different: 6BD7A; EBC81 Other base: UBC41
First Series	1956 -- Collector info (Sammler) Jacob Roschy
First Source (s)	Jan.1956 : -- Original-techn. papers. Feb.1956 : Histoire de la lampe de radio
Predecessor Tubes	UBC41

Base	Noval, B9A
Was used by	Radio/TV-reception etc.
Filament	Vf 14 Volts / If: 0.1 Ampere / -: Indirect / -: Series, AC/DC /
Tube prices	0 Tube prices (visible for members only)
Literature	Röhren-Taschen-Tabelle 14.A, (Franzis RTT)


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

Collection JR
Jacob Roschy

Telefunken Taschenbuch 1971
Anonymous 15 Collector

Iven Müller
Iven Müller

Usage in Models (calculation each 25th of the month)	1= 1955?? ; 8= 1956?? ; 5= 1956? ; 9= 1956 ; 1= 1957?? ; 2= 1957? ; 8= 1957 ; 2= 1958?? ; 2= 1958? ; 14= 1958 ; 1= 1959?? ; 3= 1959? ; 13= 1959 ; 4= 1960?? ; 3= 1961 ; 1= 1962 ; 1= 1964 ; 2= 1965?? ; 1= 1973 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 81

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UBC81

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