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To All: A good selection of the "sound transducer for solids" used in the broadband voice transmitter of the underwater communications consoles is now listed on ebay under "underwater speaker". These go for $26.95 which includes shipping. Anyone wishing to build such a system could aquire one of these for future use. The overall block diagram is also available in the special projects page under uw comms behind my name David Bartsch. Should you decide to attempt such a console and run into problems, send me an e-mail and I will attempt to assist you. David Bartsch Windows Live™ SkyDrive™: Get 25 GB of free online storage. Check it out. |