What speaker cable made a major difference in the sound quality of your speakers??

@jbrrp1 - several of the second paragraph points from your excellent commentary exactly mirror my own experience with the Clear Days...
- equivalent to a component upgrade
- detailed without crossing the line
- a tad warm -- surprising for silver
- a clearer window into the music..."visually"

Same as Grannyring, Duelund DCA16GA per 8-10 foot speaker pairs, beats all comers that I have tried/owned. Best, mikirob

The biggest change I've ever heard with speaker cables, was when I double biwired my Vanderdteen. 2 sets of AQ Type 6's sounded much better than my $3800 Tara 2's.

Other than that, the best way to deal with cables is to properly match your components. Do that, and you won't want or need cables that make big differences.

For real low cost cables, Speltz Anticables consistently bested all that I tried until I bought some MG Audio Planus III copper ribbons.   They moved the bar well beyond anything I had heard prior.  I then bought some Amadi Maddie Signature cables that were better in most ways than the MG's.  My final cables are the Cerious Technologies Graphene Extreme.  In my VMPS RM40 ribbon speakers, they are better in all ways than any I've had.  The price of an 8 ft. pair is $649, and I bought 14" jumpers for an additional $80. The MG's were $1995, plus I had Harmonic Technology Pro 9+ cables that were $1595.  The CTGE's have better transparency, fuller and better defined bass, airier highs, and the vocals were more lifelike.  This wasn't a knock your socks off difference.   Any of the last 3 cables I tried would have made me quite happy forever, had I not heard the others.  You've got to love the forum write-ups--just like reading the audio rags for giving you the itch. I'm sure there are many others that sound wonderful, also, but at the price of the CTGE's or Amadi's ($600 for 8 ft. pair), I'm not so sure.

Second the Speltz anti-cables. Because I got fine sound for a whole lot less $$.