Antique radios, Old Time Radios
T5-448
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Country:
Netherlands
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| Identical to |
T5-448
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| Similar
Tubes |
Other shape (e.g. bulb type):
5-448
; E448
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| Production stop |
Feb.1938 |
| Base |
Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lf)
Top contact screw type.
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| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
This is a Thermiode, a glass tube in a shielding of nickel-iron alloy to prevent electric or magnetic interference.
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Dimensions (WHD)
incl. pins / tip |
48 x 129 x 37 mm / 1.89 x 5.08 x 1.46 inch |
| Weight |
112 g / 3.95 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature 1933
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T5-448
Peter den Boer
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Just Qvigstad
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T5-448: own collection
Peter den Boer
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