Antique radios, Old Time Radios
571_deforest
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Country:
United States of America (USA)
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Brand:
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DeForest-Tubes |
| Tube type: |
Transmitting Triode, air cooled Power/Output |
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| Identical to |
571_deforest
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| Base |
SPECIAL TUBEBASE in general
Sidecontact and top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 11 Volts / If 10 Ampere / Direct / Specified voltage AC/DC |
| Description |
500 watt RF power amplifier. Maximum plate voltage 4000,, current 350mA. Used in telephony and telegraphy.
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Dimensions (WHD)
incl. pins / tip |
x 432 x mm / x 17.01 x inch |
| Information source |
Radio Engineering August 1930, page 17.
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571_deforest: Electronics, April 1931
Achim Dassow
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