Antique radios, Old Time Radios
441A_WE
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Country:
United States of America (USA)
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| Identical to |
441A_WE
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| Similar
Tubes |
Other base:
102F
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| Predecessor Tubes |
D-91144
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Telephony |
| Filament |
Vf 2.1 Volts / If 0.5 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
Mu 30, low microphonics triode for telephone repeaters. 102F version with ST14 bulb on 4-pin push base. Tube designed for use as a voice frequency and carrier frequency voltage amplifier, detector or modulator.
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Dimensions (WHD)
incl. pins / tip |
x 120 x 46 mm / x 4.72 x 1.81 inch |
| Weight |
44 g / 1.55 oz |
| Information source |
Tube Lore (I)
- - Manufacturers Literature
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441A_WE: Fin Stewart
Fin Stewart
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Just Qvigstad
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