Synergy between AR Ref 3 and Pass X amps

No issue with the impednace match. There have been numerous threads discussing about this topic. I have an LS-25 Mk I and X350.5. There are no issues. My friend is using Ref 3 with X350.5 without any issue.

My concern with your combo is that Ref 3 is fairly neutral, and the X1000 (non .5 version) is also very neutral. You may or may not like the end result. (Or the result may not be what you would expect.) I had compared the X350 and X350.5 side-by-side, and the differences are not subtle.

FrankC

I have tried my Ref 3 with Pass X-250, 350 and 350.5 - no problems at all (other than mentioned by Gundam91).

Thank you for all your responses. Looks like I should either go with the AR110/210 or switch to Pass completely. Any advice on that in terms of sound?

Gundam91, I almost hate to ask, but what differences did you hear between the X350 and x.5 amps?

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I've run the Ref3 with X-600 monoblocs and it sounds wonderful..I have no experience with the X-1000 monos.
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