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[Good Sound Train♪Video Series] A collection of VVVF sounds from JR West's 321 series trains. The 321 series is equipped with a mix of the four major manufacturers of railway electrical equipment (Mitsubishi, Hitachi, Toshiba, and Toyo Electric) for each train formation. Therefore, you can enjoy the subtle differences in sound for each car. ◎Toyo/Mitsubishi 2:23~ , 7:17~12:05 The modulation sound is typical of Toyo IGBT, and since Mitsubishi and Toyo have the same design, the difference in sound is almost indistinguishable. ◎Hitachi 3:33~ This Hitachi IGBT is a type that you don't hear often, and the sound when stopping is different, perhaps because it is compatible with all-electric brakes. The modulation sound is somewhat similar to the E233 series suburban type. ◎Toshiba 4:47~ The sound is like a mix of Tokai's 313 series and TX1000 series, and the modulation sound seems to be closer to Toyo. Good sound♪ Level Toyo Mitsubishi: ★★★☆☆ 3 Hitachi: ★★★☆☆ 3 Toshiba: ★★☆☆☆ 2 Photo location: Hoshida, Shinobugaoka, Nishinomiya Nashio, Yamazaki Photo date: December 2016, November 2018