Marschall Acoustics Instruments, the source for innovative ideas and science applications.
Marschall Acoustics developed and owns fundamental patents in hydrophone design, underwater acoustics, and sonars -
  particularly in solid towed hydrophone array seismic streamer design.  Some of this technology is licensed to various
manufacturing companies.  Contact us directly if you have any questions in this regard.

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Marschall Acoustics Instruments Pty Ltd

Marschall Acoustics Group
Marschall Acoustics®

Bespoke Geophysical & Audio Domain Solutions
Transition Zone Equipment

Shallow Marine Transition Zone Geophysical Seismic Survey Sensor Equipment and Instrumentation

Transition zone geophysical seismic equipment from Marschall Acoustics Instruments P/L.

 
A small crew can deploy and retrieve a Trout Towed Hydrophone Array by hand. A Trout&trade IV array can operate in only centimeters of water.

Marschall Acoustics Instruments also manufactures economical bottom hydrophone cables, bottom geophone cables, and mixed sensor arrays for transition zone use.