: A series of sine waves (e.g., 100Hz, 1kHz, 10kHz, 20kHz) at 0 dB for measuring output voltage, distortion, and channel separation.
The exclusivity of the YEDS-18 stems from its specialized manufacturing standards. Unlike standard consumer CDs, this disc was built to meet or exceed for physical characteristics that are impossible to replicate on home-burned CD-Rs: sony yeds18 test disc exclusive
If you are serious about CD calibration, you need to know the real deal. Here is the authentication checklist: : A series of sine waves (e