Sony, Axia, Maxell Color 80min - MD Colour 74min - Sapphire Blue 74 - Hello Kitty 74 Minidisc Number of items: 19

This collection features blank recording media from several well-known brands: Sony, Axia, Maxell, MD Colour, Sapphire Blue, and Hello Kitty Minidisc cassettes, totaling 19 items. The 80-minute tapes from Sony, Axia, and Maxell are traditional magnetic audio cassettes designed for analog recording, commonly used from the 1970s through the 1990s. Minidisc media such as MD Colour (74 minutes), Sapphire Blue (74 minutes), and Hello Kitty 74 Minidiscs represent a different format introduced by Sony in the 1990s, employing magneto-optical technology for digital recording and playback with increased durability and ease of track access. The Hello Kitty branded Minidisc highlights the cultural crossover of media formats with popular character merchandising. Collectively, this assortment showcases the evolution of personal audio recording formats from analog cassette tapes to early digital Minidiscs, each with distinct physical and technical characteristics influencing recording quality, convenience, and media longevity.