The Well-Tempered Computer, an introduction to computer audio

Tuesday, June 14, 2011

Stello U3 USB to SPDIF converter

Stello of South Korea has launched its successor to its successful U2 DDC (digital to digital converter) with the new Stello U3 192/24 USB Link.  The unit is based on the now-industry-standard XMOS chip which is capable of high speed (24/192kHz) asynchronous USB transfers.  Galvanically isolated SPDIF outputs (coaxial and AES/EBU).



  • USB Audio Class 2.0 compliant Asynchronous synchronization mode 
  • High Speed Bit Perfect Audio Data Stream up to 192kHz sampling rates
  • Master clock Super low jitter 2 external clocks
  • Sampling Frequency 22.5792mHz/24.576mHz for multiples of 44.1kHz/48kHz sampling rates
  • Resolution Standard sample rates 44.1, 88.2, 176.4, 48, 96, 192kHz/24bits Audio
  • Input 1 USB 2.0, Type B connector
  • Outputs Galvanic Isolated, Up to 192kHz sampling rates
  • 1 COAX 75 Ohms, Gold Plated RCA Connector
  • 1 AES/EBU 110 Ohms, Neutrik XLR Gold plated contacts
  • Lock indicator LED on the front panel
  • Platform Support Customized Windows Driver : Windows XP, Windows Vista, Windows 7
  • Natively supported by Apple Mac OS X
  • Dimension 100 X 36 X 100mm (WHD)