Antique radios, Old Time Radios

PL81

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

Tube ID = 3391

previous | next

Identical to	PL81 = 21A6 = N152 = 213Pen = PL820
Similar Tubes	Other shape (e.g. bulb type): PL81A Normally replaceable-slightly different: 21F12 Other class quality (otherwise equal): 21B6 Heater different: EL81
First year	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
Filament	Vf 21.5 Volts / If: 0.3 Ampere / -: Indirect / -: Series, AC/DC /
Dimensions (WHD) incl. pins / tip	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)


	PL81: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †

PL81: IM
Iven Müller

PL81: rtt
Michael Schlör

PL81: Valvo
Dietrich Grötzer

Usage in Models

2= 1950 ; 2= 1951? ; 50= 1951 ; 1= 1952?? ; 9= 1952? ; 17= 1952 ; 15= 1953? ; 111= 1953 ; 3= 1954?? ; 10= 1954? ; 127= 1954 ; 5= 1955?? ; 4= 1955? ; 168= 1955 ; 11= 1956?? ; 6= 1956? ; 91= 1956 ; 13= 1957?? ; 18= 1957? ; 26= 1957 ; 4= 1958?? ; 11= 1958? ; 39= 1958 ; 7= 1959? ; 22= 1959 ; 6= 1960?? ; 7= 1960? ; 8= 1960 ; 8= 1961? ; 3= 1962 ; 1= 1963? ; 1= 1964? ; 1= 1964 ; 4= 1965?? ; 2= 1965? ; 6= 1965 ; 2= 1966?? ; 1= 1966? ; 1= 1966 ; 3= 1967 ; 1= 1968?? ; 1= 1968? ; 2= 1968 ; 1= 1969?? ; 1= 1970

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 832

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]