Sony Walkman WM-EX631- Cassette Player Tested, Fully Working, Serviced, Japan

• Model: Walkman WM-EX631(SERIAL NO.5346000). Fully serviced in Japan. • Fully tested and working perfectly. • Wow & Flutter: RMS 0.1753% (tested). 　・Battery case. Technical Details • Demagnetization completed.

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