Marantz has unveiled the new 50W/ch MODEL 70 integrated amplifier and CD 70 player ($750), bringing updated styling, HDMI ARC, Bluetooth, and upgraded performance to its entry-level hi-fi lineup. The catch? While North American audiophiles can buy the CD 70, the MODEL 70 won’t be sold here. Find out whether these new stereo components are worthy successors to the acclaimed PM6007 and CD6007.