What speaker cable for Martin Logan motion series (AMT) tweeter.

I’m a card- carrying CARDAS CLEAR fan with my “A” 2-channel. system, and I was an ex-NORDOST FREY user in my prior 2-channel system,

The CARDAS are all-Cu build, whereas the NORDOST are Ag-over-Cu materials, that predicates an accentuated brightness with the Ag component.

I also have a full 7,2 MARTIN LOGAN home theatre system that meshes very well with VAN DEN HUL speaker cables, that tame the ML’s own bespoke “bright” sonic signature. Your upstream electronics choice are also a very large influence in the audio performance with ML. It’s when I upgraded the HT to YBA power discrete amps, is when the VDH  audio performance was maximized .

Thanks, I just picked up a Musical Fidelity A1 integrated. Class A. New version. I never tried the upper line of Cardas cables. Man, you know your stuff. 

Depends.  What cables are you using now, and what specific improvements/sound characteristics are you looking for?  Also, what’s your budget and are you looking new or used, and do you want bi-wire or not?

I dont need to biwire, I am using some cheap Mogami now. I can go up to $1,000 for a pair of speaker cables. I just don't want anything to sound too bright.