Antique radios, Old Time Radios
810
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Country:
United States of America (USA)
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| Identical to |
810
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| Similar
Tubes |
Normally replaceable-slightly different:
3S012T
Other class quality (otherwise equal):
CV627
Heater different:
1627
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| Base |
Jumbo 4-pin bayonet (1918) (Codex=Bz)
Sidecontact and top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 4.5 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
Thoriated-tungsten power triode. Four-pin jumbo base. 30MHz full power, up to 100MHz at reduced input. 125W power plate dissipation, plate showing a barely perceptible red color.
Two used in the audio modulator of Johnson Kilowatt transmitter, Collins 300G uses them noth in the RF section and in the audio modulator.
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Dimensions (WHD)
incl. pins / tip |
x 252 x 68 mm / x 9.92 x 2.68 inch |
| Tube prices |
4 Tube prices (visible for members
only)
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| Information source |
- - Manufacturers Literature United tube catalog March 1959
- - Manufacturers Literature RCA TT-5
Tube Lore (II)
Taschenbuch zum Röhren-Codex 1948/49
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810: RCA TT
Götz Linss † 27.06.21
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810: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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810: RCA Transmitting Tubes TT-5
Emilio Ciardiello
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
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