Antique radios, Old Time Radios
4-400A
Base |
SPECIAL TUBEBASE in general
Top contact with a cap.
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Was used by |
Transmittertube (Radio) |
Filament |
Vf 5 Volts / If 14.1 Ampere / Direct / Specified voltage AC/DC |
Description |
The differences between the A and B versions are not clear, but probably the all-glass version B was made by Amperex as derivative of European Philips production.
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Dimensions (WHD) incl. pins / tip |
x 150 x 87 mm / x 5.91 x 3.43 inch |
Weight |
190 g / 6.70 oz |
Tube prices |
1 Tube prices (visible for members
only)
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Information source |
Tube Lore (I)
-- Collector info (Sammler)
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4-400A: William I. Orr, The Radio Handbook 15th Edition
Götz Linss † 27.06.21
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4-400A: Valvo,Senderöhren, 1983
Anonymous 15 Collector
More ...
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4-400A: Valvo,Senderöhren, 1983
Anonymous 15 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
Collection of
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