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hydrophones idrofoni
The SQ26-08 standard
  • SQ26-08
  • SQ26-08
  • SQ26-08
Made in Canada by Sensor Technology, multipurpose hydrophone, with great performance.

Frequency Range [kHz] 0.020 to 50 and over
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] 44
Power Requirement [Vdc] 2 to 5
RMS Overload Acoustic Pressure [dB, re 1µPa] 154
Maximum Operating Depth [m] 100
Operating Temperature Range [°C] -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 **
* Transducer Sensitivity + Preamplifier Gain = Effective Sensitivity.
** powered by most of the plug-in powered microphone inputs, such as the Zoom F1 digital recorder

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 with a voltage below 5V.
Minijack connector, stereo format, with same signal on both channels.


Environmental science
General cetacean research
Educational outreach programs
Contact microphoneRecreation
Capturing the sounds of the natural underwater environment for eco-art
Adding underwater sound to video recordings


SQ26-08 10m cable, standard configuration


SQ26-08 30m cable, standard configuration


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