180 gram audiophile edition.
Phono cartridges usually need a running-in period to reach their fullsonic potential. This can take anything from 40 to 100 hours,depending upon the manufacturer, design and construction of thephono cartridge. This Clearaudio Cartridge "Break In" Test Record isa unique tool. One of its features is to play an endless groove cutwith pink noise, which significantly reduces the length of the break-inperiod.