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Underwater and Bioacoustics Instrumentation & Consultation


« Underwater Sound Recording Systems, portable recording « SQ26-08 model
« Underwater Sound Recording Systems, autonomous recording « SQ26-08 model

The Sensor Technology SQ26-08 has a very slick, compact design, and is a component in several Cetacean Research hydrophone systems, and is also sold separately. The SQ26-08 is a general purpose hydrophone ideal for whale watching, full audio-band signal detection, and mobile underwater recording; except that it can NOT be used as a stand-alone hydrophone.

The SQ26-08 hydrophone must be used with a recording device or preamplifier that has a bias powered (a.k.a. plug-in powered) microphone input, and thus is included in the following Cetacean Research underwater recording systems:

  • SQ26-H1 portable hydrophone system
  • µRUDAR™ autonomous underwater recording system
  • mRUDAR™ autonomous underwater recording system





Frequency Range [kHz] 0.020 to 50
Transducer Sensitivity* [dB, re 1V/µPa] -194
Preamplifier Gain [dB] 25
Effective Sensitivity* [dB, re 1V/µPa] -169
SPL Equiv. Self Noise at 1kHz [dB, re 1µPa/√Hz] 57
Power Requirement [Vdc] 2 to 5
RMS Overload Acoustic Pressure [dB, re 1µPa] 154
Maximum Operating Depth [m] 100
Operating Temperature Range [ºC] -25 to 60
Dimensions [mm] 70 L x 32 dia.
Shielded Cable Length [m]
cable includes 3.5mm stereo phone plug
10 or 30
Directionality omnidirectional below 10kHz

Battery / Connector box

N/A - powered by most of the plug-in powered microphone inputs, such as the M-Audio MicroTrack

*  Transducer Sensitivity + Preamplifier Gain = Effective Sensitivity.






If you are looking for a general purpose hydrophone for listening to underwater sounds without recording, then please see our SS03-10 Sea-Phone hydrophone. The SQ26-08 must be used with a recording device or preamplifier that has a bias powered (a.k.a. plug-in powered) microphone input, such as the Zoom H1 used in our SQ26-H1 system.

  

Applications:

  • Kayaking
  • Recreation
  • Tourism
  • Environmental science
  • General cetacean research
  • Educational outreach programs
  • Contact microphone
  • Geophone
  • Capturing the sounds of the natural underwater environment for eco-art
  • Adding underwater sound to video recordings

 

Tools for Research, Education, & Conservation since 1994

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