
Mitsubishiโs Diatone D-160, a 1.5-ton subwoofer from the 1980s, defied all logic with a 63-inch carbon-fiber cone and a 400-kilogram field coil, turning every note into a seismic event.

Adelaide shed its prim image in 1964 as 300,000 fans greeted the Beatlesโspurred by DJ Bob Francisโs petitionโin a frenzy so wild even Lennon called it their best reception ever.