The HD Audio DAC by Burson Audio was custom designed for a single purpose of extracting all the musical detail from any digital format with maximum dynamism and accuracy. The entire design is free from the constraints of standard circuit building blocks such as IC Opamps or low cost 3 pin regulators.
The well known Burr Brown PCM1793 DAC chip sits at the heart of the HD Audio DAC. This classic 24 bit DAC chip is well known in a number of classic audio designs. While it lacks some of the Wow effects of its counterparts, sonically the PCM1793, struck the right balance between musicality and accuracy and presents music consistent with the preferences of team Burson Audio.
It was not easy to realize the full potential of this classic DAC chip and the low noise power supplies were designed to operate in Constant Current Source (CCS) mode, in order to eliminate noise and distortion at each stage of DAC processing. Our trade mark HD opamp is fully utilized from the critical LP stage to the output buffer stage, to ensure that untainted and completed sonic information is passed down to the headphone amp stage and preamp stage.