Watch how to calibrate a sound system's frequency response and time-align a PA, using the TRACT System Calibration plugin and Rational Acoustics' Smaart. This way, you'll have a well-balanced foundation for mixing. Learn more: https://www.waves.com/tract TRACT is also available bundled with Smaart Di v2: https://www.waves.com/tract-smaart 1:17 Equalizing a full range PA 3:02 Time-aligning front fills to mains 4:57 Time-aligning subs to mains **Please note: at 4m40s the proper Delta value & delay time is 20ms. The plugin used in this video is an early beta version.