Antique radios, Old Time Radios

AC172

Country:	Germany		Brand:	Valvo Radioröhrenfabrik GmbH; Hamburg
			Tube type:	Transistor Audio Frequency

Tube ID = 33963


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Identical to	AC172
Similar Tubes	Other characteristic (electr. data): AC127
First Source (s)	Mar.1962 : Valvo-Berichte

Base	Wires
Was used by	Radio/TV-reception etc.
Filament
Description	NPN germanium alloy transistor for AF low noise pre-amplifier applications. - Text in other languages (may differ)
Dimensions (WHD)	6 x 10 x mm / 0.24 x 0.39 x inch
Weight	2 g / 0.07 oz
Literature	-- Collector info (Sammler) KTT 1969/70, TVT 1979 ECA

CA
Christian ADAM

TTT Steidle 1981
Günther Stabe

valvo Taschenbuch 1965
Michael Schlör

Usage in Models (calculation each 25th of the month)	1= 1966? ; 1= 1966 ; 1= 1967 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 3

No further Information for

AC172

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