Duelund hook up wires in a Sonus Faber Cremonas speakers??


Looking to replace my wires inside the Sonus Cremona speakers.   All scanspeaks drivers.   Please advise which hook up wires will work best.  

Duelund 26awg copper
Duelund 20awg stranded copper
Duelund 1.0, 2.0, 3.0 flat silver

which will work best in this application.  If any members can help out. 
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Thanks all for your recommendation!

I was just curious?   Any members try the duelund foil 1.0, 2.0 or 3.0 flat silver wires?  Can it be use as main speaker wires?? Please advise?? 
Grannyring... on main speaker cables, each channel single run of the 16ga stranded tinned copper or you recommend 3 runs per channel.  
I need 12ft long from amp to speaker.  What is your suggestion?? 

Im now using the Duelund Silver foil 2.0 & 3.0 from xover to tweeter and 8in mid woofer, 12 g silver tinned copper from binding posts to xover. Previously running the Mundorf Silver / Gold. Has mentioned in previous post from other members the Mundorf emphasis the mid and upper frequencies while the Dueling is coherent from top to bottom, fantastic soundstage, tonal balance. Just sounds natural.