> Fons Adriaensen wrote:
>
>> Don't know what Len will think of it, but putting a Tetramic
>> (or any such mic) in a plastic bag isn't likely to produce
>> anything usable. Basic problem is that the acoustic impedance
>> of water is around 3400 times higher than that of air, so the
>> water/air interface will reflect almost all energy. You need
>> a transducer that is more or less matched to the acoustic
>> impedance.
>
> I have read that the standard trick is to use a
> condom.  However, I puzzle whether this would
> work with a Tetramic.
>

Apparently there is a special size for precocious youth in Switzerland.
Might be your solution ... ?

Michael
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