Cables and AC adapter should be 100V for Japan. I think it produces one of the best sounds among plastic tubes.
Shakuhachi 1 Shaku 8 Sun Japanese Traditional Instrument
Shakuhachi 1 Shaku 8 Sun Japanese Traditional Musical Instrument Bamboo
Shakuhachi 1 Shaku 8 Sun Japanese Traditional Musical Instrument
Shakuhachi 1 Shaku 8 Sun Kinpu Japanese Traditional Musical Instrument