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Diy Parametric2

If you’re familiar with the audio spotlight, then you now how very awesome narrow beam ultrasonic speaker devices can be. They can project a sound efficiently over long distances without spreading like common speakers. One can essentially walk into the ultrasonic line-of-fire and begin to hear sound abruptly – certainly an interesting effect.

Though not much for documentation & details – this instructable shows off a transducer packed parametric speaker design. Hrmm, it seems the author is selling kits and sharing a good deal of info here. Apparently this setup will introduce a substantial amount of distortion to your signal – ultrasonic audiophiles be warned. – How to make parametric speaker

Collin Cunningham

Born, drew a lot, made video, made music on 4-track, then computer, more songwriting, met future wife, went to art school for video major, made websites, toured in a band, worked as web media tech, discovered electronics, taught myself electronics, blogged about DIY electronics, made web videos about electronics and made music for them … and I still do!


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