Marantz Project D-1 [work] -

The D-1 utilizes four TDA1547 chips in a dual-differential mode. This layout cancels out common-mode noise and drastically improves the signal-to-noise ratio.

In the early 90s, Marantz set out to create a digital reference series that would define the brand's capabilities. While the CD-15 and CD-7 players are legendary, the Project D-1 was their statement piece in the standalone DAC market. It was designed as a companion to the Project T-1 vacuum tube drive, forming a digital playback system that challenged the best from manufacturers like Mark Levinson and Accuphase. marantz project d-1

Like the finest Marantz "Reference" gear, the interior is heavily copper-plated. This provides an exceptional shield against Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI). The D-1 utilizes four TDA1547 chips in a