Review of TDSS Upgraded
NuForce Ref-9 V3 by Phil H.
After listening to my amps for a month now I can testify that the difference is night and day. The Level-2 Upgrade made the high and low ranges beyond anything I could have imagined - WOW! Your quality of work is exceptional and I cannot thank you enough for my "new" amps. I would tell anyone that wants new sound from an old NuForce amp to go with a TDSS upgrade. Again what a difference it can make!!!