I auditioned a Linear Tube Audio Z40+ with Audio Note AN-E/SPe HE loudspeakers (hemp cones).
The match was very good. Great frequency extension. Clear, yet sweet upper mids and highs. I think you’d be happy.
I suggest using the same speaker cable that’s used in the crossovers of the loudspeakers. So, if you buy AN-J/LX, then buy Lexus LX copper speaker cable. Same advice applies if you buy any of the AN-J models wired with silver cable (SPe, SPx). Use bi-wire rather than single runs.
If you’ve not decided on a Linear Tube Audio amplifier (excellent amplifiers), then I encourage you to consider an Audio Note amplifier like an OTO SE Phono or OTO SE Phono Signature, or SORO SE Phono or SORO SE Phono Signature. Audio Note amplifiers and loudspeakers are designed to work together in a holistic fashion that results in a system greater than the sum of its parts.
That said, if you’re focused on a Linear Tube Audio amplifier, I can attest it will match nicely (but it won’t bring out the full, uncanny naturalness of the AN-J loudspeakers).

