Demo Merging Technologies ST2 Stereo DAC. I was a Merging dealer but no longer carry the line. I ran Ethernet from a Lonovo Laptop/J-River, to the NADAC and the sound was dynamic, organic and very natural sounding. I will be very sad to see this DAC go, but I will be reinvesting the money into the $25k Gryphon Kallope. The only issue I can find is there is some very light burn in on the screen. It can only be seen when the screen is active and the volume is changed. I always had the volume set to 0 and set to turn off after a period of time. Contact Scott at [email protected]
or call/text (972)754-8359 with any questions.
The Merging NADAC ST-2 has all the features of a typical high-end DAC. Its digital inputs include AES/EBU on a three-pin XLR connector (compatible with PCM resolutions of 44.1 to 192kHz), S/PDIF optical using a TosLink connector (44.1-96kHz PCM), and S/PDIF coaxial using an RCA connector (44.1-96kHz PCM). Analog outputs are stereo pairs of RCA and XLR connectors. What sets the NADAC apart is its Ethernet RJ45 EtherCon connection, which permits cable runs of up to 100m. Through this input the NADAC can accept 44.1-384kHz PCM, DXD, and DSD64/128/256. This connection is claimed to be asynchronous, meaning that the NADAC controls the rate at which digital data are sent from the computer to the DAC. Of course, you can easily find USB implementations that permit asynchronous hi-rez PCM and DSD transmission, though not with nearly the cable lengths offered by the NADAC. The Ravenna protocol allows the NADAC to interface with your computer using the Ravenna Audio Stream Input/Output (ASIO) driver for Windows, or the Ravenna Core Audio driver for Mac OS X (both are downloadable from Merging’s website). One of Ravenna’s advantages is said to be ultraprecise clocking of the digital input using its Precision Time Protocol feature; Merging specifies for the ST-2 a clock resolution of one nanosecond. Other rear-panel connections include a word-clock input using a BNC connector, and an IEC power-cord inlet.