Yes indeed Steve, where do we start!
More clarity and detail, well IMO you need to venture away from stranded cables and get into some solid core. Initially suggest some magnet wire as its coated in a thin insulator already, start at a single strand per conductor and work up until the sound is balanced from top to bottom , you'll probably end up at between 3 and 4 strands per conductor. When final number reached (min 3) plait together.
The inductors made for speaker crossovers also make fine cables for high level use and once unravelled offer pretty good value for money being cheaper than by the metre from most. Thare are several manufactures of flat ribbon inductors out there and they also do silver ones too but they are getting pricy.
A slightly more wacky cable can be made from refrigerent tubing (pure OFC copper small bore 4mm OD) which can be air gapped using spacers, this will be like opening a huge window onto your sound but a lot of speakers just cannot handle the additional bass and go bloated in the bottom end; it's one of my favorites for bass duty as it maintains a good damping control due to very low resistance and skin effect of large surface area keeps the highs coming nicely too.
If DIY does not suit then beg / borro / steal (?) some DNM speaker cable as these offer good value and will possibly bring better detail than what you currently have. More money to spend, then check out the wireworld range and the skies the limit thereafter.
