Antique radios, Old Time Radios
224A
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Country:
United States of America (USA)
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Brand:
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Common type USA tube/semicond.
CeCo (tubes), C.E. Mfg. Co. Inc.; Providence, RI
Duovac Radio Tube Corp.; Brooklyn, NY
Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia
Gulbransen Co.; Chicago
Lafayette Radio & TV Corp; New York (NY)
Legion (Tube brand); (Where ?)
Perryman Electric Co., Inc.; North Bergen, NJ
Philco, Philadelphia Stg. Batt. Co.; USA
Silvertone (tubes) - see also Sears; Chicago, IL
Speed, Cable Radio Tube Corp. / Cable Supply Co.; New York and Brooklyn, NY
Van Dyke Laboratories; Newark, NJ
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| Developer: |
Westinghouse El. & Mfg. Co. - see also Canadian W. |
| Tube type: |
Screen-grid Tetrode Audio Frequency |
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| Identical to |
224A
= ER224A
= LS224A
= C24A
= 24A
= P-224A
= UY224A
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| Similar
Tubes |
Normally replaceable-slightly different:
38024
; SE-3924
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| Base |
UY-Base, 5 Pins (USA, April 1927)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1.75 Ampere / Indirect |
Dimensions (WHD)
incl. pins / tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Weight |
50 g / 1.76 oz |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Tube Lore (I)
Tube Lore (II) p. 30
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224A: arrl handbook 1972
Anonymous 10 Collector
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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):50
Collection of
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