Exploring modern that mimic this classic sound profile
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.
Unlike the "Multi-bit" ladder DACs of the era, the Project D-1 focused on perfecting the 1-bit Bitstream technology, aiming for superior linearity and a more "analog" fluid sound.