Speaker wire for Pure Audio Project Speakers... advice needed....!

Hello blissed out fellow PAP lovers! 

I have been chasing a next level system (for me) and I am on my final decisions / tweaks. I am looking for advice on speaker wire,.

The qualities I seek are golden midrange, reduced high frequency shrill (current issue with system is painful highs), while pushing incredible soundstage, depth, detail, etc... I listen to mostly acoustic, classical, jazz, vocals...

My system currently:

• SPEAKERS: Pure Audio Project Duet 15 Horn (Mundorf Silver Gold Oil Cap upgrade and high pass filter, Anticable 4.2 Flex Internal wire)

• STREAMER: Nagra Streamer (Cardas Clear Coaxial)

• DAC: HoloAudio Spring 2 Level 3 Kitsune edition (Silversmith Fidelium RCA Interconnects)

• AMP: PrimaLuna Dialogue Premium HP Integrated (Gold Lion KT77 power tubes, Mullard NOS gain tubes)

• PHONO: Music Hall MMF-9 and McIntosh MP 100 Preamp

Speaker wire I am considering (10-12’ runs)

• DUELUND 12GA: $500

• ANTICABLES: 3.1: $430

• ANTICABLES: flex 4.2: $800

• SILVERSMITH: $1595

• CARDAS CLEAR: $4500

Cost is of course an issue, until it the obsession takes hold...! Big fan of high dollar - delight ration.... big fan of not feeling like I am pinching my most glorious machine anywhere... 

I am currently running Duelund 16GA, and the high frequency shrill I think I have determined is most likely attributed to this... 

Thank you for your suggestions and insight! 

r.