In 1989, the cassette mechanism and sound quality performance reached the highest level. The product was entirely based on cassette technology.
WM-DD9
The WM-DD9 is a playback-only Walkman that employs a disc drive mechanism. It is compatible with AA batteries and gum-type rechargeable batteries. It uses a disc drive system and belongs to a lineage that prioritizes stable playback.
WM-150
The WM-150 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-170
The WM-170 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-171
The WM-171 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-172
The WM-172 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-F180
The WM-F180 is a Walkman with a built-in radio. It features Dolby B and auto-reverse. It belongs to the early Walkman lineage that integrated radio functionality.
WM-F181
The WM-F181 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-F501
The WM-F501 is a Walkman with a built-in radio. It features Dolby B, bass boost, and automatic reversal. It belongs to the early Walkman lineage that integrated radio functionality.
WM-506
The WM-506 is a playback-only Walkman with an automatic inversion function. It features Dolby B. It is an early high-performance model that combines automatic inversion and noise reduction functions.
WM-F606
The WM-F606 is a Walkman with a built-in radio. It belongs to the early Walkman lineage that integrated radio functionality.
WM-607
The WM-607 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
WM-609
The WM-609 is a playback-only Walkman with an automatic inversion function. It features Dolby B. It is an early high-performance model that combines automatic inversion and noise reduction functions.
WM-701S
The WM-701S is a playback-only Walkman with an automatic reversal function. It is compatible with AA batteries and gum-type rechargeable batteries.
WM-702
The WM-702 is a playback-only Walkman with an automatic reversal function. It features Dolby B and remote control operation, and is compatible with AA batteries and gum-type rechargeable batteries. It is an early high-end model that enhances convenience through the introduction of electronic control functions.
WM-F702
The WM-F702 is a Walkman with a built-in radio. It features Dolby B, remote control operation, and automatic reversal, and is compatible with AA batteries and gum-type rechargeable batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-703C
The WM-703C is a playback-only Walkman with an automatic reversal function. It features remote control operation and is compatible with AA batteries and gum-type rechargeable batteries.
WM-F707
The WM-F707 is a Walkman with a built-in radio. It features Dolby B and auto-reverse, and supports recording and both AA batteries and gum-type rechargeable batteries. It belongs to the early Walkman lineage that integrated radio functionality.
WM-R707
The WM-R707 is a Walkman with recording capabilities. It features Dolby B, remote control operation, and automatic reversal, and is compatible with AA batteries and gum-type rechargeable batteries. It belongs to the early lineage of portable devices that incorporated recording functionality.
WM-3000
The WM-3000 is a playback-only Walkman equipped with an automatic reversal function.
By 1989, analog technology had reached a stage of completion. It became clear that this structure would be difficult to adapt to new technologies.
