Antique radios, Old Time Radios
MT9L
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Country:
Great Britain (UK)
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| Identical to |
MT9L
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| Base |
Wires
Sidecontact.
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| Was used by |
Telephony |
| Filament |
Vf 17 Volts / If 9.2 Ampere / Direct / Specified voltage AC/DC |
| Description |
This operated with a plate voltage of 2000 - 5000 but was used mainly on 4000 volts where it gave an output of 700 watts. The grid connection was a cap terminal on the side of the tube..
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Dimensions (WHD)
incl. pins / tip |
180 x 480 x mm / 7.09 x 18.90 x inch |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 404, p. 907 & 909
The Saga of Marconi Osram Valve Page 125
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MT9L: GEC's catalogue supplement
Anonymous 413 Collector
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