Portable radio '' Zenith Royal 500 ''.

Portable radios and receivers.ForeignThe portable radio "Zenith Royal 500" has been produced since November 1955 by the "Zenith Radio" corporation, USA. Legendary radio receiver, at least for America. This was the first version of a radio receiver, and there were more than five of them later. They differed in chassis numbers (7XT40, 7XT40Z, 7XT40Z1, etc.), design, case colors. Probably from the fourth option there was already a printed circuit board. The first version of the radio receiver, like the next two, did not have a printed circuit board and was assembled by surface mounting. The receiver case is made of nylon, which is virtually unbreakable than polystyrene. Royal - translated as Royal. Superheterodyne on 7 transistors. Range 535 ... 1600 kHz. IF 455 kHz. AGC. Maximum output power 150 mW. The range of reproducible sound frequencies is 250 ... 4500 Hz. Powered by 4 AA cells. The dimensions of the radio receiver are 145x85 x 38 mm. Weight 390 grams.