Antique radios, Old Time Radios

PY81

Country:	Europe		Brand:	Common type Europe
			Tube type:	Damper, booster, flyback diode

Tube ID = 3375


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Identical to	PY81 = 17Z3 = 17R7
Similar Tubes	Other class quality (otherwise equal): PY801; PY81F Different maximum ratings: PY83 Heater different: EY81
First Series	1951 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Sep.1951 : Funkschau (FS) # 18
Successor Tubes	1952 PY83

Base	Noval, B9A Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	Vf 17 Volts / If: 0.3 Ampere / -: Indirect / -: Series, AC/DC /
Dimensions (WHD)	22 x 83 x mm / 0.87 x 3.27 x inch
Weight	20 g / 0.71 oz
Tube prices	0 Tube prices (visible for members only)
Literature	- - Manufacturers Literature


	Philips 1957/58 Hilmer Grunert

MS
Michael Sigmund

RTT 1974 (Franzis) 13. Auflage
Martin Renz

Iven Müller
Iven Müller

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

10= 1951 ; 4= 1952? ; 1= 1952 ; 8= 1953? ; 61= 1953 ; 3= 1954? ; 63= 1954 ; 1= 1955?? ; 1= 1955? ; 86= 1955 ; 1= 1956? ; 67= 1956 ; 2= 1957?? ; 5= 1957? ; 32= 1957 ; 1= 1958?? ; 1= 1958? ; 63= 1958 ; 5= 1959? ; 23= 1959 ; 2= 1960?? ; 1= 1960? ; 12= 1960 ; 10= 1961? ; 1= 1962? ; 2= 1962 ; 1= 1963? ; 2= 1965?? ; 1= 1965? ; 3= 1965 ; 2= 1967 ; 1= 1968 ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 476

No further Information for

PY81

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