Speaker cables for Joseph Audio Rm25xl

Joseph Audio speakers are some of the best in the business at the depth and holography thing in my experience. First thing to address is your distance to the back wall. Pull speakers out at least three feet from the rear of the speakers to the back wall if you haven't and and see what happens. AZ cables do depth well if it's in the recording. Surprised that's a limitation with the RM25s, even with your home brews.

Would help to know what aspects of sound are important to you and what you'd like to improve upon. Without knowing any of that, there's a pair of Acoustic Zen Hologram IIs (6ft, if that works for you) currently available in single or biwire at a little over your price range. I'd guess they're just a tad more detailed than the AP cables if that means anything. Anyway, they'd likely be a considerable step up from your homebrews, and if you don't like'em just turn around and sell'em. Best of luck.