http://www.deqx.com/product-hdp4-overview.php
one solution for Preamp, dac and crossover with phase correction ......
gonna do the measurement and all whole nine yard this weekend...
sample review...
http://www.soundandvisionmag.com/blo...t-amazing-demo
http://www.audiocircle.com/index.php?topic=77634.0
pics
https://d1xw7fnq30zy05.cloudfront.ne...d_DSCF0483.JPG
https://d1xw7fnq30zy05.cloudfront.ne...d_DSCF0480.JPG
https://d1xw7fnq30zy05.cloudfront.ne...d_DSCF0493.JPG
V