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, 9 pin miniature (USA pico-9) B9A
Filament	Vf 14 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices	2 Tube prices (visible for members only)
Information source	Röhren-Taschen-Tabelle, (Franzis RTT)


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

UBC81: M.M.
Michael Mischke
More ...

UBC81: Telefunken Taschenbuch 1971
Anonymous 15 Collector

UBC81: Mullard - original papers
Wolfgang Romeyke
More ...

from Just Qvigstad

Usage in Models

1= 1955?? ; 13= 1956?? ; 11= 1956? ; 11= 1956 ; 9= 1957?? ; 13= 1957? ; 17= 1957 ; 2= 1958?? ; 8= 1958? ; 28= 1958 ; 3= 1959?? ; 8= 1959? ; 17= 1959 ; 11= 1960?? ; 6= 1960? ; 6= 1960 ; 1= 1961? ; 2= 1961 ; 2= 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):183

Literature "Funk-Technik (FT)" Vol. 14 No. 17 | 1959-09

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