Sony released the world's first portable CD player, the D-5/D-50, at a time when mostly just audiophiles had adopted the format. But surprisingly (or not), the device had much broader appeal.

Featured music from Aviscerall (https://aviscerall.bandcamp.com) and Dan Mason (https://danmason.bandcamp.com).

Sources:
D5 inside EBP-9LC: https://commons.wikimedia.org/wiki/Fi...
EBP-9LC photos: https://i.ebayimg.com/images/g/OE0AAO...
"The lasser-disc revolution", Popular Science, May 1985.
"Sound to Go", Changing Times magazine, December 1985.
"Hot new compact-disc players", Popular Science, November 1984.
CDP-101 photo: https://commons.wikimedia.org/wiki/Fi...
1982 compact disc introduction video:    • Introducing The Amazing Compact Disc ...  
AC-D50 photos: https://www.ebay.com/c/1124613292
Rear of AC-D50: https://www.acquris.se/images/sony_d-...
"Go anywhere CD portables", Popular Science magazine, November 1985.
CD manufacturing video:    • Michael Jackson's CD Manufacturing  
SL-XP7 (silver) photo: https://www.rewindaudio.com/uploads/4...
SL-XP7 (black) photo: https://imgur.com/gallery/wy220
TPS-L2 photo: https://spectrum.ieee.org/image/MzE4M...
TPS-L2 ad: https://i.imgur.com/b1lYI5M.jpg

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