Inventor of the dual differential PVDF hydrophone front-end with driven transducer calibration input.

Trout TM IV Brand
Seismic Streamer
Solid Towed Hydrophone Array Sonars

Applications

Standard Trout TM IV 
Array Modules

Optional Trout TM IV 
Array Modules

Deckbox System

Ultra High Strength
Aramid Fibre Core

Hydrophone Assembly 
and Testing

Array Electronics

Trout TM IV Module 
Molding Operations

Factory Testing

Customers


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Copyright 1999 - 2006
"Trout" is a Trademark of Marschall Acoustics Pty Limited.
All information and photographs on 
this site are the property of the
Marschall Acoustics Group 
Australia

Shipboard interface maintains signal fidelity under adverse circumstances.


Front panels allow for hydrophone array depth and condition monitoring.The Trout deckbox system consists of two units: Array Power Unit and Array Receiver Electronics Unit. The system includes independent array and deckbox electronics power supplies. Array power voltage and current are continuously indicated. Deckbox electronics can include depth indicators as shown here. Two gain settings matching popular acquisition system full-scale ranges are standard, as is MAI's unique driven array sensor calibration system.




Easy to connect to BNC outputs or optional multipin connector outputs.

The rear panels of the Trout deckboxes include fully fused power connections, the array connections, and the signal outputs. Standard outputs are easy hookup BNC jacks. Customer specified multi-pin connector outputs are available as an option.




Analog arrays are limited to 32 channels.  Digital telemetered arrays start at 64 channels and presently go up to 256 channels.A look at the interior of a 24 channel Trout Array Receiver Unit. Input and outputs are fully protected. Power supply decoupling is extensive. Each individual channel is trimmable for precision gain matching.




Front panel usually has depth transducer displays, calibration inputs, and gain controls.

An interior view of the front panel of the Array Receiver Unit for a 24 channel TroutTM IV deckbox system.


12


An interior view of the 16 channel deckbox receiver.



An interior view of the Array Receiver Unit for a 16 channel Trout TM IV deckbox system, shown here atop of its power supply. Each unit is one rack unit smaller than the 24 channel system.


Next, some mechanical highlights.