AM FM music radio Tuner audio fi frequency hi sound stereo wireless broadcast broadcasting communication furniture news old receiver retro tune voice volume 50s 60s 70s antique electronics enterteinment equipment fashioned isolated media musical nostalgia object off on revival Speaker style technology vintage electronic key leisure on air potentiometer scope search station AM FM BBC black broadcast broadcasting channel communicate ether jazza listen listening Luxembourg mittelwelle mono NDR phono receive receiving red speak Strasbourg WDR World amplifier analogue backdrop background bass computer digital electricity equaliser graph graphic green hardware hi-fi illustration level light meter noise oscillate oscillating oscilloscope output pattern power Recording software studio television transceiver treble unit variation vector visual voltmeter wave yellow