Recommendation for a replacement speaker cable

Under $600, you should at least try Speltz Anticables in your system.  They were the cable that beat all others tried in my system until I hit on a couple that were new like Cerious Graphene Extreme $640 that you can get well under $400 used and Amadi Maddie Signature at $625 new or under $400 used.  

Bob

For some reason, taking the advice of someone who's named dorkwad is really troublesome. However, I will try to look past the name.

Meatwad was already taken. 

Have you looked at Duelund wire? 

@simao

i think i will change my username to slimebucket... 🤣

on a slightly more serious note, fyi...

i use mapleshades helix when running my harbeths and spendors, which benefit from a little more forwardness/drive and zing on leading transients

conversely, i use the 4s11 or tuneful/belden for my proacs and spatials (esp. w solid state amps) where the job is maintain the incredible soundstage while taming the treble a touch and/or add a lil more body/weight to music (bear in mind my spatials are the m3 sapphires, where clayton dialed up the 'transparency' with the new wide dispersion broad range tweeter)