The metal-cased blue-and-silver Walkman TPS-L2, the world’s first
low-cost personal stereo, went on sale in Japan on July 1, 1979,
and was sold for around $150.00.
Though Sony predicted it would sell about 5,000 units a month, it
sold more than 30,000 in the first two months. It would spark a
revolution in portable electronics.
I purchased mine in January 1980. It was $100 at Pacific Stereo in San Francisco. I still have it