Antique radios, Old Time Radios

A4

Country:	Austria		Brand:	Kremenezky, Johann; Wien (Röhrenhersteller)
			Tube type:	Triode, vacuum Universal

Tube ID = 2869


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Identical to	A4
Similar Tubes	Normally replaceable-slightly different: 407A_Eagle; 410N; A409; RE074

Base	Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 0.1 Ampere / -: Direct / -: Battery = /
Dimensions (WHD)	45 x 100 x 45 mm / 1.77 x 3.94 x 1.77 inch
Weight	53 g / 1.87 oz
Literature	Taschenbuch zum Röhren-Codex 1948/49

Sammlung EE
Ernst Erb

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	1= 1932 ; 1= 1933 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2

No further Information for

A4

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