Antique radios, Old Time Radios
274A
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Country:
United States of America (USA)
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| Identical to |
274A
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| Similar
Tubes |
Normally replaceable-slightly different:
4274A
; CV1451
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Filament |
Vf 5 Volts / If 2 Ampere / Direct |
| Description |
1.5KV PIV, 235mA. Filament current drain of 5R4, anode current of 5U4.
Electronic Enterprises, STC, WE known manufacturers.
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| Tube prices |
2 Tube prices (visible for members
only)
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| Information source |
Babani, International Radio Tube Encyclopaedia W.E.Greybar catalog 1933
Tube Lore (I)
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274A: KoBi
Konrad Birkner † 12.08.2014
More ...
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Just Qvigstad
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274A: KoBi
Konrad Birkner † 12.08.2014
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10
Collection of
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