In 1985, diversification of exterior design and specifications for different applications was promoted. The product is now configured to accommodate individual usage styles.
WM-D3
The WM-D3 is a professional-grade Walkman with recording capabilities. It features Dolby B and a disc drive mechanism, and uses AA batteries. It belongs to a lineage that prioritizes practicality as a portable recording device.
WM-50
The WM-50 is a playback-only Walkman with an automatic reversal function. It uses AA batteries.
WM-55
The WM-55 is a playback-only Walkman with an automatic inversion function. It features Dolby B and uses AA batteries. It is an early high-performance model that combines automatic inversion and noise reduction functions.
WM-F55
The WM-F55 is a Walkman with a built-in radio. It features Dolby B and auto-reverse, and uses AA batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-R55
The WM-R55 is a Walkman with recording capabilities. It features Dolby B and automatic inversion, and uses AA batteries. It belongs to the early lineage of portable devices that incorporated recording functionality.
WM-F65
The WM-F65 is a Walkman with a built-in radio. It features recording capabilities and uses AA batteries. It belongs to the early Walkman lineage, which integrated radio functionality.
WM-75
The WM-75 is a playback-only Walkman with an automatic inversion function. It features Dolby B and uses AA batteries. It is an early high-performance model that combines automatic inversion and noise reduction functions.
WM-F75
The WM-F75 is a Walkman with a built-in radio. It features Dolby B and auto-reverse, and uses AA batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-F85
The WM-F85 is a Walkman with a built-in radio. It features Dolby B and auto-reverse, and supports recording and AA batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-101
The WM-101 is a playback-only Walkman with an automatic inversion function. It features Dolby B and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-performance model that combines automatic inversion and noise reduction functions.
WM-F101
The WM-F101 is a Walkman with a built-in radio. It features Dolby B and auto-reverse, and is compatible with AA batteries and gum-type rechargeable batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-W800
The WM-W800 is a Walkman with radio and recording capabilities. It features Dolby B and uses AA batteries. It has an early combined configuration that combines radio and recording functions.
By 1985, the product line had expanded from simple playback devices to application-specific equipment. This configuration was subsequently applied as part of the segmentation design.