Marantz Project D-1 __top__ Jun 2026

In the late 1990s, while the audio world was rushing toward "Bitstream" and 1-bit Delta-Sigma technology, a small group of engineers at Marantz (then part of the Philips family) decided to look backward to move forward. The result was the Marantz Project D-1

3x BNC Coaxial, 3x TOSLINK Optical, and 1x AES/EBU (XLR). marantz project d-1

They found a compromise in modularity. The D-1 shipped as a core unit with standard inputs and outputs, and optional expansion modules—one focused on analog inputs and phono preamps for vinyl enthusiasts, another on networked streaming, and a miniature tube-stage add-on for those seeking a more overt tube coloration. The modular approach kept the base price manageable while preserving customization. In the late 1990s, while the audio world