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Speakers: Ultrasonic cross beam
Old 11th March 2018
Here for the gear

Speakers: Ultrasonic cross beam

Hi, I'm trying to find out about this speaker technogy and brands? I'm new, and don't know much except what I read, but figure it might also be worth making if it can't be found.

I read about this technology in the New Scientist in the late 80's I think. The speakers work by crossing two ultrasonic directional beams, and produce a frequency in mid air which is the frequency difference between the two ultrasonic beams. They were said to be the only speaker technology with perfect sound reproduction. However, I haven't heard anything since about them, and figure they must be in very high end equipment. They were speaking about concert use, but it sounds perfect for monitoring.
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