Cd Jean Marie Reynaud Flac [better] - Magic

Centered at 500Hz to stabilize the mechanical junction between the cone, spider, and voice coil. Crossover Networks

Wide-band pink noise (20Hz–20kHz) to "open up" interconnects and internal wiring. Magic Cd Jean Marie Reynaud Flac

Centered at 10kHz to activate tweeter suspensions at safe, low-energy levels. System Cables & Electronics Centered at 500Hz to stabilize the mechanical junction