The major developments in air ultrasonic and underwater sonar transducers and systems since it's founding half a century ago are far too numerous to list.  In air ultrasonics, Massa has many times redefined the industry, designing several hundred different transducers and systems, some of which have been mass produced at rates exceeding 40,000 transducers per week. In underwater sonar, Massa has created an equally impressive number of industry firsts while successfully completing over 550 production and design contracts for the U.S. and Allied Navies.

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