Antique radios, Old Time Radios
UV203A
Country:
United States of America (USA)
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Identical to |
UV203A
= C303A
= E703A
= CG-1144A
= 303A
= 503A
= PR-3B
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Similar
Tubes |
Different maximum ratings:
295A
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First year |
1923
Saga of the Vacuum Tube, Tyne page 325-327
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Predecessor Tubes |
UV203
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