a review "The Caldera are large cables! Thicker than my garden hose but much more attractive. Green jacket encased in a black mesh. Nicely terminated in silver clad, copper spades. These cables are a combination of Audioquest's PSC and PSC+ copper. The 16, 18, and 20 guage wires in each cable are PSC. The 22 guage is PSC+. This copper simply allows the music to flow completely unencumbered. No barriers between you and the music to speak of. The different guage wires are said to transmit the full harmonic spectrum with maximum efficacy. I hear it! Every instrument has it's true timbre. Trumpets have their "blattiness" but also their brassy richness, giving them a truly realistic sound. Bass is tight and tuneful. The amazing thing though is the harmonic richness of the bass. I've heard tight and tuneful before, but this is different. You can sense the true size of bass producing instruments and their distance from the listener. Their natural power and impact are right there. Music just seems to flow out of your speakers. The soundstage is focused and spacious. The soundstage, when musically appropriate, extends beyond the speakers and resolves the natural hall ambiance of the recording venue. Close to a "virtual experience". I am using two, 8 foot runs of Caldera into my Vandersteen 3A Signatures. Vandersteen's have always loved Audioquest wire and nothing has changed. I know that running two 8 foot runs may seem like overkill, but I wanted totally unrestrained power delivery to my … read morespeakers. These cables are a considerable investment but they're worth it. They allow you to hear what your system is truly capable of. I am also using 2 one meter runs of Audioquest Python interconnects to round out the resolution and ultimate musicality of my system. I am delighted with my investment in top quality cable. It is the essential link to complete an already capable system. "