Antique radios, Old Time Radios
NT4A
| Base |
Wires
Wires only.
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| Was used by |
Military and/or Government |
| Filament |
Vf 17 Volts / If 5.6 Ampere / Direct / Specified voltage AC/DC |
| Description |
450 watt transmitting tube with anode operating at 3500 volts. Designed for British Navy
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Dimensions (WHD)
incl. pins / tip |
175 x 330 x mm / 6.89 x 12.99 x inch |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
British Radio Valves - The Vintage Years: 1904-1925 Page 130
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