Antique radios, Old Time Radios
MT11SW
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Country:
Great Britain (UK)
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| Identical to |
MT11SW
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| Base |
SPECIAL TUBEBASE in general
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 5.5 Ampere / Direct / Specified voltage AC/DC |
| Description |
Special short wave tube with molybdenum anode. 60 watts output with 1.5 kv anode volts. Slightly bigger than the MT11 tube and fitted with protective straps on the glass bulb. Base of thes tube was ebonite with the filament contacts from two "feet" at the bottom.The grid was from a center contact in the base and the anode from a top cap. See photo of MT3 tube, which has the glass bulb similar but smaller.
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Dimensions (WHD)
incl. pins / tip |
105 x 220 x mm / 4.13 x 8.66 x inch |
| Information source |
The Saga of Marconi Osram Valve page 79 & 80
- - Manufacturers Literature 1936 Marconi Valve catalog.
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MT11SW: Fin Stewart
Fin Stewart
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