I think that you'll be very happy with the Vandy's. They will definitely have more "bloom" and "body" along with greater extension than your current Spica's. The NAD will drive them, but it may come across as being "TOO warm & smooth" sounding. Then again, this is typically preferable to something that sounds "ear bleedingly bright". If need be, you can always resort to a bit of treble boost on the NAD. Sean
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