Like digital formats, vinyl can reproduce the entire audible frequency spectrum—but how vinyl achieves this is quite different than the way it works in the digital domain. This is because a record needle has to physically track the sound waves that are inscribed in the grooves. The lower the frequency (think bass), the wider the groove. If the sound were transferred directly to the groove unaltered, the grooves would have to be extremely wide to accommodate all the bass content, shortening the record’s side and possibly making it unplayable.

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