Portable radio `` RCA Victor 7BT-9J ''.

Portable radios and receivers.ForeignThe portable radio receiver "RCA Victor 7BT-9J" has been produced since 1955 by the "RCA Victor" company, USA. Superheterodyne on 6 transistors. Range 540 ... 1600 kHz. IF 455 kHz. Powered by a round 9 volt battery. Loudspeaker with a diameter of 7 cm. Maximum output power 120 mW. The range of reproducible sound frequencies is 280 ... 3800 Hz. The dimensions of the radio receiver are 142x86x38 mm. Weight - 320 grams.