Found Sound Audio Davio is a tube DACs from the R2R family. It has two versions: one solid state rectified and one tube rectified. The tubes are 1x 6SN7GT for the buffer and 1x 6C5S for rectification. It is designed to provide natural sound.
Digital Inputs
USB type B PCM max. 24bit / 96kHz
Coaxial SPDiF PCM max. 24bit / 96kHz
Optical Toslink PCM max. 24bit / 96kHz
D/A Converter
Multibit type, oversampling & digital filter free, passieve I/V conversion
Tubes
Output...
Found Sound Davio
Digital Inputs
USB type B PCM max. 24bit / 96kHz
Coaxial SPDiF PCM max. 24bit / 96kHz
Optical Toslink PCM max. 24bit / 96kHz
D/A Converter
Multibit type, oversampling & digital filter free, passieve I/V conversion
Tubes
Output...
Found Sound Davio