Brand: Sony
The Sony WM-51 is a portable cassette tape recorder released by Sony in the late 1980s. Its compact and lightweight design made it a convenient and popular choice for anyone on-the-go who wanted to record their favorite radio shows, lectures, or conversations. The WM-51 featured advanced functions such as Dolby NR (Noise Reduction), adjustable bass, treble, and balance levels, as well as a built-in microphone for voice recording. Its ergonomic design, with large buttons and clear labeling, made it easy to use, making it a popular and successful product for Sony.