First it was vinyl records. Now another analogue music format, the cassette tape, has made a return, and with it the boom box. One Hong Kong collector has amassed nearly 90 portable cassette players.

advertisement 01-11-2010 PREMIUM How TDK Upgraded the Old-School Boom Box TDK, best known for its cassette tapes, is hoping a next-gen MP3-compatible boom box will help revitalize its brand.

Sony’s new CFD-A110 boom box has a cassette player, a CD player, an AM/FM radio and an external mic jack for karaoke sessions. It’ll cost about $215 wen it drops in Japan next month, which is ...