Homebrew parametric speaker

Homebrew parametric speaker

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

4 thoughts on “Homebrew parametric speaker

  1. Brett says:

    I’m interested in the kit, but I have some questions and can’t seem to ferret out an email address for the person/company/whatever that sells the kit. Anyone have better luck?

    That being said I’m wondering how much volume I can get out of this rig over longer distances, say 50 meters.

  2. Collin Cunningham says:

    I have too have similar questions.

    also thinking, the kit would be pretty easy to source parts for – keep an eye out for good deals on appropriate transducers

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  4. sax says:

    What if i make the modulation in dsb without carrier? should i use one transducer with the dbs without carrier and another with the carry?

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