Aiwa was a Japanese consumer electronics company, founded in 1951. It experienced considerable success in the 1970s and 1980s producing audio and video equipment that was sold around the world. Aiwa had a number of electronics 'firsts' including: Japan's first cassette tape recorder, Japan's first stereo cassette deck, the first company to manufacture digital audio tape (DAT) products, the first to market a recording headphone stereo, and leading in mini systems.

During the 1990s the market for Aiwa's core products, stereo HiFi systems and analogue radios, saw considerable competition, softening prices and slack demand. Aiwa became a volume producer competing on price and gradually reduced its spending on research and development of new products. When the digital revolution began in the late 1990s Aiwa was ill-equipped to provide the products that consumers desired.

As a result, the Corporation slid inexorably towards bankruptcy until it was saved by its old rival, Sony Corporation. As of October 1, 2002, Aiwa ceased to be a separate company and became a wholly owned division of Sony Corporation.    read more at Wikipedia

The phonograph, or gramophone, was the most common device for playing recorded sound from the 1870s through the 1980s. The limitations that lead to the decline in popularity include the fragility and tendency to wear, the size and means of playback that make it impractical for use in an automobile, and it's imperfect reproduction when compared to a bit-by-bit no loss system. Record pressing has been slowly growing in recent years and is available for a reasonable price. You can find vinyl record manufactures by searching google for "record-pressing services".