Marantz PM-KI Ruby Integrated Amplifier and SA-KI Ruby SACD Player with DAC

I’ve abbreviated the names of these two components in the title of this review so that they wouldn’t occupy half the page. Their full names are a mouthful: Marantz PM-KI Ruby Ken Ishiwata Signature Reference Integrated Amplifier and Marantz SA-KI Ruby Ken Ishiwata Signature Super Audio CD Player with DAC. “KI” are Ken Ishiwata’s initials, the redundancy, I assume, because the full moniker might not survive a parsimonious copyeditor’s blue pencil. Ishiwata has been with the Marantz Corporation since 1978 and was its principal design auteur for most of that time. The first product to sport his initials and be …