Os Modelos de Walkman Que Definiram Cada Época - Como a Sony reinterpretou a música portátil ao longo de quase cinco décadas - EP4

 

1992: WM-EX909 Walkman: Perfected Playback

Auto-reverse made cassette players convenient but introduced trade-offs. The WM-EX909 rejected them by using a specialized dual-head mechanism to preserve alignment in both directions. Playback stayed consistent, the transport stable. Paired with an LCD remote, it looked oddly futuristic for a cassette machine. This was not reinvention, but refinement pushed to its practical limit. Sony wasn’t redefining tape so much as finishing it.

Walkman: A História Ilustrada (1979–2004) A timeline of Sony’s cassette Walkman models from 1979 to 2004 - EP.27 - 1992: SONY WALKMAN WM-EX909

 

Released in 1992, the WM-EX909 used a rare dual-head playback system. Instead of a single

 auto-reverse head, it employed two fixed playback heads, each aligned for one direction. This

 preserved consistent sound in both directions without mechanical adjustment, a solution

 reserved for Sony’s top-tier models.