: Increase volume slowly while watching the woofer cones. Significant movement is expected even at low audible noise levels.
Centered on 1500 Hz specifically for breaking in crossover filter components. Magic Cd Jean Marie Reynaud Flac
The is a specialized technical instrument designed to accelerate and optimize the "break-in" (burn-in) process for high-fidelity audio equipment. Developed by the late French audio engineer Jean-Marie Reynaud, this disc uses a series of narrow-band random noise signals to stabilize the mechanical and electronic characteristics of speakers and cables significantly faster than standard music playback. What is the "Magic" in the Magic CD? : Increase volume slowly while watching the woofer cones