The Quantum Gran Corona is the turbo charged version of the Gran Corona and Sablon Audio’s flagship AC cord. The Gran Corona itself was an outstanding AC cord but to have a Quantum Resonant Technology circuit (the box you see attached to the cord) mapped into the Gran Corona, it raises the performance level of the Gran Corona up several notches. Like the Gran Corona, it still has the noise reducing crystals and anti-vibration Magic Paint in critical parts of the cord but with the QRT box, the cable benefited from further reduced crosstalk and ground noise and improved clarity/resolution. This cable would pair positively with any components. There were varying degrees in improvement so some experimentation is recommended.
Cable is in nice shape with the usual scuff marks from use. We don’t have the original packaging but will securely pack it for safe shipping.