In 1983, models designed for specific applications such as sports use were introduced. Due to the diversification of enclosure shapes and functional configurations, application-specific design has begun.
WM-F5
The WM-F5 is a playback-only Walkman that employs a disc drive mechanism. It features two headphone outputs, radio reception, and is compatible with AA batteries. Its disc drive system prioritizes stability during playback.
WM-20
The WM-20 is a playback-only Walkman. It uses AA batteries.
WM-F20
The WM-F20 is a Walkman with a built-in radio. It uses AA batteries. It belongs to the early Walkman lineage that integrated radio functionality.
In 1983, there was a shift from single products to product groups. This structure was subsequently applied as part of later segmented design.