I agree with most of what was said above, living now with the NL10 a few years and having auditioned the #33 for a few hours, and the #33H for a little bit longer (though that was a long time ago in a galaxy.... well, you know). I owned (and still do) the Levinson 20.6 reference monoblocks, the precursor to the #33H and considered upgarding a number of times... but...
The #33s can seem a little lifeless, in comparison with the 20.6 (which, however, was more grainy) and especially in comparison with a fast amp like the Edge. However, the NL-10 is a stereo amp and the Levinsons, being monoblocks, will likely have better separation and slightly improved (wider, deeper) soundstaging.
JFYI, the Edge also builds monoblocks, the G8+ and the Signature Ones, both laser-biased like the NL10.
Enjoy!
-Mike (Edge dealer guy)
The #33s can seem a little lifeless, in comparison with the 20.6 (which, however, was more grainy) and especially in comparison with a fast amp like the Edge. However, the NL-10 is a stereo amp and the Levinsons, being monoblocks, will likely have better separation and slightly improved (wider, deeper) soundstaging.
JFYI, the Edge also builds monoblocks, the G8+ and the Signature Ones, both laser-biased like the NL10.
Enjoy!
-Mike (Edge dealer guy)