Antique radios, Old Time Radios
D-01A
Country:
United States of America (USA)
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Identical to |
D-01A
= D401A
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Similar
Tubes |
Normally replaceable-slightly different:
UX201A
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First year |
1927
??
Saga of the Vacuum Tube, Tyne Seite 301
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Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 5 Volts / If 0.25 Ampere / Direct / Battery = |
Description |
The first deviation by the de Forest company to make equivalent tubes to the RCA tyles, the D-01A was a direct equivalent of the UX 201A. It was fitted with the "isolantite" base ( a type of ceramic and was introduced in 1927. It was replaced by the D401A in 1928.
Text in other
languages (may
differ)
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Dimensions (WHD) incl. pins / tip |
45 x 112 x mm / 1.77 x 4.41 x inch |
Weight |
64 g / 2.26 oz |
Tube prices |
6 Tube prices (visible for members
only)
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Information source |
Saga of the Vacuum Tube, Tyne Pages 301 & 302
70 Years of Radiotubes and V. Page 166
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D-01A: O.F.
Otto Frosinn
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Just Qvigstad
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Collection of
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