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SQ26-08 product photo for maximum enlargement, click on thumbnail; --- for medium-sized, scroll down

The Sensor Technology SQ26-08 hydrophone is a general purpose hydrophone ideal for whale watching, full audio-band signal detection, and mobile underwater recording. This hydrophone has a very slick, compact design. 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 MicroTrack II used in our SQ26-MT system.

Frequency Range [kHz]		0.030 to 30
Transducer Sensitivity* [dB, re 1V/µPa]		-193
Preamplifier Gain [dB]		25
Effective Sensitivity* [dB, re 1V/µPa]		-168
Power Requirement [Vdc]		2 to 5
Maximum Operating Depth [m]		N/A
Operating Temperature Range [ºC]		-25 to 60
Overload Acoustic Pressure [dB, re 1µPa]		170
SPL Equiv. Self Noise at 1kHz [dB, re 1µPa]		tbd
Dimensions [cm]		7.0 L x 3.2 dia.
Shielded Cable Length [m] cable includes 3.5mm stereo phone plug		10
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.