In 1988, the enclosure design and size were optimized. The design was changed to a configuration that prioritizes perfection.
WM-52
The WM-52 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-F52
The WM-F52 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-F404
The WM-F404 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-505
The WM-505 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-509
The WM-509 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-F509
The WM-F509 is a Walkman with a built-in radio. It features Dolby B, remote control operation, bass boost, 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-F550C
The WM-F550C is a Walkman with a built-in radio. It features 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-701C
The WM-701C is a Walkman with a built-in radio. It features automatic reversal. It belongs to the early Walkman lineage that integrated radio functionality.
WM-F701C
The WM-F701C is a Walkman with a built-in radio. It features remote control operation, bass boost function, 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.
By 1988, the product line had a stable configuration. At the same time, we've entered a stage where perfection is prioritized over novelty.
