SOME OF THE SUBMARINE SONARS
DEVELOPED AND MANUFACTURED BY MASSA

• HFCA Projector - Massa High-Frequency Chin Array for the Virginia Class Submarine developed under subcontract for Lockheed Martin.
  
  
• BQG-2 and BQG-4 Hydrophones - This Massa design for the PUFFS System is the most precise hydrophone ever mass-produced.
  
  
• DT-276A/BQR-7 - This Massa produced hydrophone forms a conformal array around submarines.
  
  
• TR-316/BQS-8,14 - This Massa produced transducer is used for under ice navigation.
  

Air/Ultrasonics • Underwater • Fundamentals of Electroacoustics
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