Antique radios, Old Time Radios
NT99
| Base |
Wires
Sidecontact and top contact.
|
| Was used by |
Radar |
| Filament |
Vf 6 Volts / If 6.5 Ampere / Half indirect |
| Description |
Micropup triode widely used in AMES11 50cm mobile ground radar, in Naval fire control systems and in airborne 200MHz equipment. Useful up to about 600MHz.
Admiralty service code for E1232 prototype.
|
Dimensions (WHD)
incl. pins / tip |
x 133 x 52 mm / x 5.24 x 2.05 inch |
| Weight |
197 g / 6.95 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
-- Original prospect or advert Callick, Metres to Microwaves
The Saga of Marconi Osram Valve
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NT99: Manufacturer's Literature
Emilio Ciardiello
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NT99: Manufacturer's Literature
Emilio Ciardiello
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