Antique radios, Old Time Radios
222AC
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Screen-grid Tetrode RF/IF-Stage |
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| Identical to |
222AC
= 124
= UY224
= C324
= AC22
= 122AC
|
| Base |
UY-Base, 5 Pins (USA, April 1927)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.25 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC) |
| Description |
This tube is the fore-runner of the UY224 and was made by a few manufacturers such as Arcturus (122AC), Ceco and Eveready Raytheon AC22, Sonatron, Songbird (made for Montgomery Ward) and Sylvania 222AC. These tubes were available for only a very few months - April to July, in 1929, when the type number was discontinued for these.
|
Dimensions (WHD)
incl. pins / tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Weight |
50 g / 1.76 oz |
| Information source |
- - Manufacturers Literature
-- Collector info (Sammler)
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222AC: Fin Stewart
Fin Stewart
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222AC: own collection
Peter den Boer
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from Just Qvigstad
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