Marantz KI Ruby is a luxury CD player and amp for the most demanding of ears

How far would you go to get pitch perfect performance from your CD collection? For Marantz brand ambassador Ken Ishiwata, it’s been a quest that’s stretched almost 40 years. The world-famous audio specialist worked on Marantz’s first ever CD player in 1982, the CD-63, and to mark his 40th anniversary with the company Ishiwata has …