In Reply to: What a big disappointment; NAD M51 with OPPO 105d (long) posted by Loan Arranger on October 15, 2016 at 13:23:58:
When I first received mine, I put it in the system between my Pioneer DV-47ai (transport) and Cary SLP-308 line stage, feeding a Parasound A23 and Ascend Sierra 2 monitors. In fixed gain mode, the M51 was more resolving and dynamic then the internal DACs and output stage of the Pioneer (paralleled BB 1738s, if I remember correctly) but I wasn't bowled over by the improvement.When I removed the line stage, and ran the M51 as a digital preamp with volume control straight into my amplifier, I got what I was looking for... Transparency, detail, and slam.
I think the M51 does its best when used in this context... And that won't suit everyone's needs.
I continue to be very impressed with mine!
edit: I also note that you were using the HDMI output of the Oppo to feed the M51. I also use the HDMI inputs on the M51 for video sources, but my observations here are based on two-channel PCM over s/pdif (coax and optical)
SF
Edits: 10/18/16
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Follow Ups
- You may not have heard the M51 at its best... - SF tech 19:38:48 10/18/16 (4)
- Well - Awe-d-o-file 07:30:06 10/21/16 (2)
- That may be so... - SF tech 15:48:51 10/21/16 (1)
- RE: That may be so... - Awe-d-o-file 16:11:25 10/25/16 (0)
- +1 - PaulN 20:22:03 10/19/16 (0)