Best Preamp for Ayre Acoustics CX-7eMP?

My system :
Ayre Acoustics CX-7eMP
Belles Aria preamp
Maker Audio G7 Amp
Tyler Dx2 speakers

I'm considering replacing the Belles Aria with a Ayre K- 5xMP preamp.
Any other suggestions or comments on the Ayre preamp?

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You might want to try the Aesthetix Calypso which is a great sounding preamp. The only question is whether your amp has balanced inputs. All of the Ayre gear is designed to perform best using balanced connections. Same with the Aesthetix gear. Good Luck!
Go with the K-5xeMP and use balanced connections.  I used a K-5xeMP with my C-5xeMP before upgrading to a KX-5 Twenty and VX-5 Twenty combination, but the K-5xeMP gave me most of what I was seeking, i.e., the depth of soundstage and a bit of warmth I experienced with a pair of Cary tube monoblocks.  Warning: The Ayre stuff can be addictive.

can i use xlr adapter for my Silkworm rca connectors with the Ayre K-5xeMP??
can i use xlr adapter for my Silkworm rca connectors with the Ayre K-5xeMP??
I use the Ayre CX-7eMP with the K-5xeMP preamp. Yes you can use single ended interconnects with the Ayre K-5xeMP as it provides 2 inputs. Please see the attachment from Ayres web page regarding converting all incoming signals to balanced.