The battery tube radio &quot;Emerson 790&quot; (B series) has been produced since 1953 by the corporation &quot;Emerson Radio &amp; Phonograph&quot;, New York, USA. Superheterodyne on 5 radio tubes. MW range - 525 ... 1605 kHz. IF - 455 kHz. AGC. Powered by two 90 and 4.5 volt batteries or 115 volt DC or AC. Power consumption 20 W. Loudspeaker with a diameter of 10.2 cm.

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Battery tube radio `` Emerson 790 '' (B series).