Operating instructions
9 
Features 
•  Ultra-low noise 44.1kHz – 192kHz A/D and D/A converters 
•  Low jitter internal clock source provides 44.1, 48, 88.2, 96, 176.4 and 192kHz sampling 
rates 
•  DC-coupled, fully dual-differential, matched-FET, all discrete Class-A, no-compromises analog 
signal path  
•  No capacitors in the signal path to degrade sound quality or introduce phase distortion 
•  2 channel ADAT S-MUX I/O for 44.1kHz to 48kHz transmission of 44.1kHz to 192kHz 
audio 
•  2 Channel transformer coupled AES/EBU I/O (44.1kHz – 192kHz) 
•  Support for single and dual wire AES/EBU at 176.4kHz and 192kHz rates 
•  2 Channel transformer coupled S/PDIF I/O (44.1kHz – 192kHz) 
•  Realtime transcoding between digital formats 
•  Independent digital and analog output routing 
•  4 parallel 75 ohm BNC Word Clock outputs for jitter-free and reflection-free clock distribution 
•  2 separate 75 ohm BNC Word Clock inputs capable of synchronizing to 1x house clocks while 
running at higher 2x and 4x sample rates 
•  Front panel Sync-Lock indicator 
•  Sturdy front panel rotary switches provide Clock, Sample Rate, Analog Output and Digital 
Output source selection 
•  Full 24-bit digital signal path throughout 
•  No digital processing of the audio signal 
•  Multi-segment LED bargraph metering on all analog inputs and outputs, with timed peak-hold 
digital overload (input) and digital peak (output) indicators 
•  Internal universal auto-sensing, filtered, multi-stage regulated power supply supports 100-
240VAC and 50-60Hz power for trouble-free operation world-wide 
•  Rugged 1U rack mount steel chassis 










