Best integrated for SF Guarneri Homage?


Hi - looking for some advice on the best options out there to match a pair of Sonus Faber Guarneri Homage speakers. I currently own a fantastic Acoustic Plan Sitar integrated (40 watts per channel - hybrid design)in a 6 x 4 x 3 mt dedicated room - but have the feeling that I need more power.

I listen to Jazz, Alternative and Blues 75% of the time and reasonable levels.

Thanks for your feedback.
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I do not know what is the current model, but I had an wonderful time using a Jadis DA60 with the Guarneri Homage.
Do not forget to try the Iter cables with them. If you need more bass a Rel subwoofer can do wonders!
I believe Microstrip was suggesting the Yter cables (with a "Y"), not the Iter cables (with an "I").

I guess if ya' said both of those names aloud they would sound similar, however the heck you're 'sposed to pronounce them...
Surely , Yter cables from Franco Serblin, the designer of the Guarneri.
Apologies for my mistake.
Thanks all for your comments so far, here are my responses to some of your notes above:

i) I have all SIltech wires from AC to speakers (G5 level mostly) will take a look at Yter thou (never heard of them before)

ii) Budget is not an issue really - I am not rich but have good credit score :-) (The Sitar is at $9,500 MSRP)

iii) I had the Jadis Da50 Signature some years back while my time with the Avantgardes UNOs, nice amp and can give it a try again.

iV) I have not had good experiences with subs, they fix some issues but add some other sonic artifacts that mush mids most of the times - I have a friend with a REL Strata and can try as well.
This has been discussed many times in previous posts. Consider Jadis, BAT and Gryphon. I use Jadis DA88S with nice results.