Antique radios, Old Time Radios

UBC81

ID = 3426

Country:

Europe

Brand:	Common type Europe tube/semicond.
Tube type:	Double Diode-Triode Audio Frequency

Identical to

UBC81 = 10LD13 = DH119 = 15BD7A

Similar Tubes

Normally replaceable-slightly different:

14G6

Heater different:

6BD7A ; EBC81

Other base:

UBC41

First year

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
Filament	Vf 14 Volts / If 0.1 Ampere / Indirect / Series, AC/DC
Tube prices	2 Tube prices (visible for members only)
Literature	Röhren-Taschen-Tabelle, (Franzis RTT)


	UBC81: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †

UBC81: M.M.
Michael Mischke

UBC81: Telefunken Taschenbuch 1971
Anonymous 15 Collector

UBC81: Mullard - original papers
Wolfgang Romeyke

Usage in Models

1= 1955?? ; 12= 1956?? ; 9= 1956? ; 11= 1956 ; 7= 1957?? ; 12= 1957? ; 15= 1957 ; 2= 1958?? ; 4= 1958? ; 28= 1958 ; 3= 1959?? ; 8= 1959? ; 15= 1959 ; 10= 1960?? ; 5= 1960? ; 5= 1960 ; 1= 1961? ; 2= 1961 ; 1= 1962?? ; 1= 1962 ; 3= 1964? ; 4= 1964 ; 2= 1965?? ; 1= 1965 ; 1= 1966?? ; 1= 1970?? ; 1= 1973

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):165

Collection of Martin Steyer (D)

Collection of Giorgio Busletta (I)

Collection of Tor Steinnes (N)

Collection of Oskar Elm (D)

Collection of Thomas Loidl (A)

Collection of Michael Gnaedig-Fischer (MEX)

Collection of Danko Tkalec (HR)

Collection of Jozef Brughmans † (B)

Collection of Ulrich Fieseler (D)

Collection of Hannu Alho (FIN)

Collection of Rudolf Osterkamp (D)

Collection of Christian Schaufelberger (CH)

Collection of Jacky Parmentier (F)

Collection of Georges Werts (B)

Collection of Karl - Heinz Bossan (D)

Collection of Jacob Roschy (D)

Collection of Frank Cuffe (IRL)

Collection of Michael Mischke (D)

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