+44 (0)1262 490234    sales@neptune-sonar.co.uk
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  • 1.3kHz Flextensional Transducer
  • Omni-directional Beam Pattern
  • High Power
  • Long Range Transmission

The T473 is a low frequency, high power Flextensional transducer developed by Neptune Sonar.

The flextensional design creates a compact omnidirectional device with exceptional performance.

The T473 is available with or without acoustic calibration, traceable to national standards.

Technical Specification

Resonant Frequency (Nominal)
  • 1.3 kHz
Useful Frequency Range
  • 1 kHz to 2 kHz
Beam Pattern Horizontal
  • Omni +/- 2dB
Beam Pattern Vertical
  • Omni +/- 3dB
Transmit Voltage (Abs. Max)
  • 1500Vrms
Transmit Voltage / Duty Cycle (Max)
  • 1500 Vrms at 10%
  • 500 Vrms at 100%

Mechanical Specification

Weight Air/Water (including 10m cable)
  • 18.6 Kg / 13 Kg
Operating Temperature
  • -5 to +40 °C
Storage Temperature
  • -40 to +80 °C
  • Subconn BH2M w/ DLSA-M Locking Sleeve
Operating Depth
  • 50 m

Our Company

Formed in 1990, Neptune Sonar is now the leading company in underwater transducer technology, offering one of the world's largest and most comprehensive range of undersea defence and commercial transducers.

Based in the UK, our research and manufacturing operation is located on a 25-acre site in East Yorkshire. With a 60,000 square metre trials lake and a floating calibration laboratory, the site provides an extensive range of facilities supporting every aspect of acoustic transducer development from modelling and design to final product acceptance.

We also provide PZT components from our Zeus Piezoceramics facility in Hessle, East Yorkshire.

Neptune Sonar Limited
Kelk Lake
East Yorkshire
YO25 8HG

T: 01262 490234
E: sales@neptune-sonar.co.uk
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We design, manufacture and test acoustic sensors and electronics for...

  • Naval Defense
  • Maritime Security
  • Offshore Oil & Gas
  • Hydrographic Survey Industry
  • Oceanographic Science
  • Environmental Sectors
  • Aquaculture