Portable radio '' Zenith Royal 500B ''.
Portable radios and receivers.ForeignThe portable radio "Zenith Royal 500B" has been produced since the middle of 1956 by the "Zenith Radio" corporation, USA. The "Zenith Royal 500" radio, which had been produced since 1955 for reference and ordering purposes, was now referred to as the "Zenith Royal 500A". The new "Zenith Royal 500B" radio receiver, with the same design, already had a printed circuit board and a vernier, very smooth adjustment of the KPE pulley. In terms of technical characteristics, both radios are the same.
