WM-2 based model, but the casework was made from pressed metal. ≡

The world’s first Walkman equipped with a noise reduction system.

The KT-S3 was the 3rd in the KT-S series. It could be equipped with tuner pack RP-S2 for FM radio reception. ≡

Product developed based on creating a Walkman roughly the size of a cassette case. ≡

The WM-F20 was very similar to the WM-F10. The only changes of note were that the hinges and slides were made a little stronger...

KT-AS2 succeeds KT-AS1: KT-AS2 has only one headphone jack and the tuner cards are different. ≡

The first Walkman developed for use during outdoor activities. Marked the first appearance of the distinctive yellow seen in later sports models. ≡

This early auto-reverse model followed the WM-7, but was simpler and cheaper. ≡

The CP-7 was the first all-weather cassette portable. The entire unit had to be placed in a specially designed weather-proof carry case . This was just a few months before the debut of Sony's first Sports Walkman, the WM-F5.

The Sony WM-10 cassette player was released in the market in 1983. Its tiny size represents a tour-de-force of early 1980’s engineering. ≡

The world Way series’ basic single-release model, with front panel linkage button control, fast-forward and backward

Record a radio broadcast by using the radio card cradle TP-RS1, with the tuner card RP-AF2. The tuner card is compatible with the KT-VS1 too.

4-track 2-channel stereo playback

A 7-band radio cassette-corder, with built-in microphone. 4xAA caddy can also be found in the earlier D6 and later D6C. ≡

Sony's compact stereo radio cassette recorder with 9-band analog tuner, and a digital clock with alarm.

RQ-SJ1 "World Way" with remote mute/pause control, and golden backplate. Competitor for WM-2 and WM-5.

Basic, simple unit with auto-reverse, 2 belts.