Best speaker for Manley itube Stingray?


My set up: Project debut carbon w/ Ortofon 2M red cartridge. Oppo bdp-95,
Manley itube Stingray.

I have 3 speakers in mind. Sonist Concerto 4, Sonus Faber Cremona M, Vienna Acoustics Beethoven Baby Grand.

I listen to all kinds of genre. These are some of the artist: Bread, Carole King,
Sting, Men at Work, Dire Straits, Alicia Keys, Sade, Beatles, Flesh for LULU, Dishwalla, Script, Mindy Smith, Adele, Norah Jones, Kat Edmonson, Jim Brickman, Kenny G, B.B. King, Etta James, Joe Bonamassa ETC.

Please advise.
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Yes, the C4 is the newest model, and what has been at the past couple of Audio shows. It is somewhat similar to the C3 in size, but has an extra bass driver.
Anyone else has experience with these speakers? What do you think about the new Zu Omen Def MK.l-B? I audition the older MK.l-A at the show in Newport CA was too bright. Maybe it's the amplifier they used?
I have the Manley Mahi mono-blocks... more or less the Stingray in two separate chassis. They have sounded great with anything I've paired them with: Merlin TSM, LSA1 Statement, Reference 3A Dulcet. Hard to make a bad choice unless it's such a power hungry speaker that the Manley runs out of juice. They're great amps and crazy good at the price. :-)