Antique radios, Old Time Radios

OA73

ID = 34735

Country:

Germany

Brand:	Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:	Solid-State-Diode Detector

Identical to

OA73

Similar Tubes

Normally replaceable-slightly different:

1N87G ; OA159 ; OA70

First Source (s)

Mar.1957 : Valvo-Berichte

Base	Wires
Filament	Solid State
Description	Germanium contact point high-frequency diode, 75 degrees C max operating temperature. Also made by the other Philips related manufacturers. Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	5 x 12 x mm / 0.20 x 0.47 x inch
Weight	1 g / 0.04 oz
Information source	- - Manufacturers Literature Valvo-Handbuch 1968, KTT 1969/70


	OA73: Funkschau 5/65 S.121 Egon Strampe

OA73: RFJ
Roy Johnson

OA73: DVT 1971 ECA
Günther Stabe

OA73: Valvo_Dioden_Transistoren_1959
Thomas Günzel

Usage in Models

1= 1955?? ; 1= 1956 ; 1= 1960?? ; 1= 1960? ; 1= 1960 ; 1= 1961? ; 2= 1961 ; 1= 1962? ; 7= 1962 ; 2= 1963?? ; 2= 1963? ; 1= 1964 ; 2= 1965 ; 1= 1968 ; 1= 1970?? ; 1= 1970 ; 1= 1971

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):27

Collection of Karlheinz Fischer (D)

Collection of Roy Johnson (GB)

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