Antique radios, Old Time Radios
E448
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Country:
Netherlands
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| Identical to |
E448
= RENS1224
= H425N
= NSS45
= MH4100
= TE48
= 5-448
= QV4100
= X4122
|
| Similar
Tubes |
Other shape (e.g. bulb type):
T5-448
Heater different:
B2048
|
| First year |
1933
Tube leaflet collection E.Erb Analysis by original leaflets
|
| First Source
(s) |
Apr.1933 : Philips Bulletin #D6
Sep.1933 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
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| Predecessor Tubes |
REN704d
U4100D
E441
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|
Successor Tubes
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AK1
|
| Base |
Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lf)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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E448: ficha de valvulas
Getulio Jimenez-Gomez
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E448: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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E448: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
Collection of
Collection of a member from FIN Collection of a member from SK |
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