Ayre KX-5 preamp with V-3 amp

I'd like to try my Ayre KX-5xeMP preamp with an Ayre V-3 amp to drive a pair of KEF LS50s augmented by a pair of KEF KC62 subs.  Source would be Roon provided via ultraRendu with LPS 1.2 and Ayre QB-9 DSD DAC.  If anyone knows of an Ayre V-3 for sale I'm a buyer.
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My Roon endpoint is an Ayre QX-5 Twenty that receives Ethernet and sends balanced analog to the KX-5 Twenty preamp. It is stereo only.

Before the QX-5, an iMac sent USB to the DX-5 DSD for Roon. Now the DX-5 DSD is used only for discs. Stereo can be balanced analog to the KX-5 or HDMI to a Bryston SP3; multichannel is HDMI to the SP3 that forwards balanced front LR to the KX-5 by-pass, balanced center to the JC 1, and balanced surround to a pair of NAD C-268s. Video is sent directly via HDMI from the DX-5 DSD to the projector, because the DX-5 has an excellent video processor.
Excellent!  I had forgotten that you have a H/T set up as well as 2-channel stereo.
Happy Listening!