Antique radios, Old Time Radios

PL81

Country:	Europe		Brand:	Common type Europe tube
			Tube type:	Beam Power Tube

Tube ID = 3391


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Identical to	PL81 = 21A6 = N152 = 213Pen = PL820
Similar Tubes	Other shape (e.g. bulb type): PL81A Normally replaceable-slightly different: 21F12 Heater different: EL81
First Series	1951 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Jun.1950 : Radio-Mentor 1950, Heft 7
Successor Tubes	1955 PL36

Base	Noval, B9A
Was used by	Radio/TV-reception etc.
Filament	Vf 21.5 Volts / If: 0.3 Ampere / -: Indirect / -: Series, AC/DC /
Dimensions (WHD)	22 x 82 x mm / 0.87 x 3.23 x inch
Weight	20 g / 0.71 oz
Tube prices	1 Tube prices (visible for members only)


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

IM
Iven Müller

Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund

Iven Müller
Iven Müller

Usage in Models (calculation each 25th of the month)

4= 1951? ; 35= 1951 ; 8= 1952? ; 9= 1952 ; 14= 1953? ; 85= 1953 ; 1= 1954?? ; 9= 1954? ; 100= 1954 ; 1= 1955?? ; 4= 1955? ; 130= 1955 ; 4= 1956?? ; 5= 1956? ; 86= 1956 ; 2= 1957?? ; 18= 1957? ; 22= 1957 ; 3= 1958?? ; 7= 1958? ; 35= 1958 ; 2= 1959? ; 9= 1959 ; 6= 1960?? ; 4= 1960? ; 7= 1960 ; 8= 1961? ; 2= 1962 ; 1= 1963? ; 1= 1964? ; 4= 1965?? ; 1= 1965? ; 5= 1965 ; 1= 1966?? ; 1= 1966? ; 2= 1967 ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 643

No further Information for

PL81

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