Incorporated two pieces of PCM1792A DAC chip set from TI company for digital filter and D/A

converter. A fully balanced design for the output circuit.

Deploy dedicated, high quality Op-Amp for Low pass Filter circuit and I/V converter circuit.

Deploy four pieces of 6922EH vacuum tubes and audio grade capacitors for audio output. Separate

tube circuit for Balanced and Unbalanced output.

Deploy one 12DT5 for tube regulation so that it can have a superb power supply for the tube audio


Versatile digital output and you can select between Optical, Coaxial or AES/EBU digital output.

Deploy USB Audio, Optical, Coaxial or AES/EUB for different input source selection.

Support Coaxial and Optical digital input and it is up to 24 bit/192 kHz.

Employ state of the art high resolution USB Audio technology, will accept and decode Hi-res digital

audio through USB interface and support up to 24 bit/192kHz.

Independent power supply to digital circuit and analogue circuit. Reduce power interference among

different circuit and make sure all components will have clean power all the time.