Lyngdorf Audio (Tact) DPA 1 Digital Preamp Crossover and Room Correction

This is a full digital preamp with volume control, DAC, A/D converter, multiple digital and analog inputs, digital crossover (high and low pass, numerous filters and infinitely adjustable crossover points) and Lyngdorf's Room Perfect correction. In very nice shape, but I am downsizing so am offering it below Agon bluebook value. No USB .
Includes all accessories, i.e., measuring microphone, remote, original box and manual.
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From Stereo Times Oct 2011 -

"The DPA-1 is a digital preamplifier that also offers “RoomPerfect” room correction, an excellent DAC, and a digital bass crossover that can be programmed for just about any crossover point with user-selectable Butterworth or Linkwitz-Riley filter types.
The DPA-1 incorporates both balanced (XLR) and unbalanced (RCA) analog inputs (one pair and three pair respectively) and five digital inputs including three coaxial RCA-type S/PDIF, one AES/EBU, and one Toslink optical input. There is also a balanced microphone input and a 12-volt trigger for powering up other linked gear.
The Lyngdorf comes with a calibrated microphone and mic stand. It also comes with a 24’ balanced microphone cable, remote control, and basic black AC power cord. The DPA-1 is delivered preloaded with the latest firmware and can be updated online via computer if and when new firmware is released "

Please note-in removing the unit from the shelf, I noticed that two scratches on the top seem to have been covered up with magic marker. I will upload additional pictures. Everything else on the unit works perfectly.