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Barrow in Furness MBC regatta and submarine event, Sunday 22nd Sept 2019,10am

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david f


Most users ever online was 94 on Tue 13 Aug 2019 - 2:03

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    Pingers and Hydrophones

    profesorul
    profesorul
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    Pingers and Hydrophones  - Page 2 Empty Re: Pingers and Hydrophones

    Post  profesorul on Sun 22 Mar 2015 - 20:46

    I'm interested too .
    I think I steel have some were a Walkman tape cassette with his original helmet ! .

    Yap , I know I'm a sentimental guy !.

    MARIUS
    david f
    david f
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    Pingers and Hydrophones  - Page 2 Empty Re: Pingers and Hydrophones

    Post  david f on Mon 23 Mar 2015 - 14:36

    Just try it. You are not going to do any damage!

    The more hydrophones floating about the better (See my other post today!)

    Piezo elements are fairly "high impedance" but a lot of reasonably sensitive audio amplifiers will do the trick.

    The sort of sensitivity you are looking for (with the hydrophone element on a table) lightly tapping or scraping the table should give a noise over the headphones. (Headphones are always better, for some reason.)

    David

      Current date/time is Tue 17 Sep 2019 - 15:38