Don't know if you have made a decision, but I'd keep this in the mix. Brand new, of course it isn't a MBL6010D, but I've seen the boards in both and have to say that they do look like a direct knock off. I suspect this would be superb at its price point.
I hope this helps, Tim
http://www.ebay.com/itm/Full-balanced-preamplifier-Remote-control-volume-Clone-MBL6010D-Finished/182680304546?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908103841%26meid%3Dd65f990b05aa4a699a11254cf541df5e%26pid%3D100227%26rk%3D3%26rkt%3D15%26sd%3D253105674854&_trksid=p2054502.c100227.m3827
I hope this helps, Tim
http://www.ebay.com/itm/Full-balanced-preamplifier-Remote-control-volume-Clone-MBL6010D-Finished/182680304546?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908103841%26meid%3Dd65f990b05aa4a699a11254cf541df5e%26pid%3D100227%26rk%3D3%26rkt%3D15%26sd%3D253105674854&_trksid=p2054502.c100227.m3827