Measuring 100V line audio systems

HowToAV explains how to measure the load on a 100v line installed audio system.
READ MORE: https://cie-group.com/how-to-av/videos-and-blogs/measuring-100v-line-audio-systems

100 volt line (or high impedance) audio systems are the most commonly used for commercial and large scale public address and background music.

But how do you measure the speaker load on a system?.. which the installer might need to do when planning to add more speakers (or alternative speakers) to an existing system.

#HowToAV