The Project D-1 was a "rebellion" of sorts within the industry. By 1998, Philips had largely shifted toward 1-bit "Bitstream" technology
For those lucky enough to find a pristine set, the Marantz Project D-1 offers a timeless experience: closing your eyes and forgetting whether you are listening to a CD or a master tape. That was the project’s goal. And it succeeded. marantz project d-1