Re: Best mic for recording with Tascam portable dat?

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Olivia,

I found the following list of available hydrophones:
http://www.dal.ca/~whitelab/marmam/hp.htm

The great news is that there are a variety of hydrophones listed in a
variety of price ranges.  Unfortunately, apparently a lot of them require
some sort of charge amplifier to convert the signal to something useful.
That is why phantom power would seem to be a good thing.  Getting a
high-impedance device like a hydrophone to work while immersed in salt
water, and to keep working, must be a tough engineering job.  If you were t=
o
make it battery powered, then that implies that you would have to be able t=
o
open it up and that implies an entrance for corrosive salt water...

Eric