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[Good Sound Train♪Video Series] Two types of sounds are recorded: the 22 Series Hitachi (also Mitsubishi) GTO-VVVF and the 30000 Series (32 Series) Mitsubishi IGBT-VVVF sounds used on the Osaka Subway Tanimachi Line. Good Sound♪Level 22 Series: ★★★★★5 30000 Series: ★★☆☆☆2 *Personal evaluation