The Tellurium Q Blue Diamond speaker cable (previously known as Green) is designed as the natural partner to the Ultra Black. It tends to suit systems that lean a little bright, adding a gentle touch of warmth and ease. That subtle “mellowing” quality can be especially welcome with class D and T amplifiers, where a bit of refinement goes a long way.

The original green‑jacketed version earned plenty of praise, but it also came with a famously long burn‑in period. Straight out of the box, it could sound almost like a completely different cable compared to its fully run‑in self — the transformation was that dramatic.

With the latest redesign, TQ have kept everything that made the cable special while significantly reducing the burn‑in time. The result is a cable that reaches its stride far more quickly and delivers an even more polished, confident performance overall.