radio, stack medium and short waves and am from the 70s, vintage retro

70s america antique background black brazil close color colorful communication display games individual isolated listen media music musical old programs radio receiver red retro short signal sound south speaker stack station transmission used vintage wave white medium waves 70`s portable battery-powered 70's negative space tuner old radio orange receiver flat style retro radio negative space copy space white background brazil south america latin america entertainment media music musical nostalgia analog audio classic device stack antennas design equipment grooved icon object old orange style symbol