Antique radios, Old Time Radios
UX240
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Ha)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 5 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
Work on this tube began at the GE laboratories in 1923. It was given the type number late in 1926. Announced in February 1927, Tyne page 317. This tube had an amplification factor of 30 - four times that of the UX201A. It was specifically designed for resistance-capacitance coupled amplification. A 250000 ohm coupling resistor was used in the anode circuit.
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
45 x 108 x mm / 1.77 x 4.25 x inch |
| Weight |
47 g / 1.66 oz |
| Information source |
Saga of the Vacuum Tube, Tyne p. 317 & 318
- - Manufacturers Literature The Story of Electronics Development at the GE Co
Tube Lore (II)
Taschenbuch zum Röhren-Codex 1948/49
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UX240: KoBi
Konrad Birkner † 12.08.2014
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6
Collection of
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