Antique radios, Old Time Radios

E428

ID = 1696

Country:

Netherlands

Brand:	Philips; Eindhoven (tubes international!); Miniwatt
Developer:	Philips; Eindhoven (tubes international!); Miniwatt
Tube type:	Triode, vacuum Universal
	Ca. 1925 up to 1945 rare.

Identical to

E428 = REN904 = AG495 = A4110 = E424N = A430N

Similar Tubes

Other shape (e.g. bulb type):

I1304 ; T5-428

Normally replaceable-slightly different:

5-428 ; M428 ; W308 ; W428

Other characteristic (electr. data):

AR4101

Other base:

E428_4pin

First year

1929 Tube leaflet collection E.Erb Analysis by original leaflets

Base	Europe 5-Pin (O5A, B5) (Codex=F)
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Literature	- - Manufacturers Literature Taschenbuch zum Röhren-Codex 1948/49


	E428: ficha de valvulas Getulio Jimenez-Gomez

E428: R.O.
Rudolf Osterkamp

E428: Telefunken Werkstattbuch
Wolfgang Bauer

E428: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models

2= 1929 ; 6= 1930 ; 13= 1931 ; 4= 1932? ; 18= 1932 ; 2= 1933? ; 12= 1933 ; 3= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):60

Collection of Jürgen Bauch (D)

Collection of Marco Lagendijk (NL)

Collection of Rudolf Osterkamp (D)

Collection of Georges Werts (B)

Collection of John Koster (NL)

Collection of Otto Frosinn (D)

Collection of Heinz Schmidt (D)

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