TWO SPEAKER INTERFERENCE

Demo Number	281
Location	Shelf 49
Description	Speakers in phase are mounted at the ends of a rotatable bar.
Related Demos	271,291, 299, 285, 281, 295, 9012
Tips	Observe how the speakers can seem to go out of phase as the bar rotates. This behavior changes for different frequencies. Effect heard best with high frequency. Not good for large lecture halls. You will need: Signal generator (shelf 61) Lab stand

Colorado State University