In Hydrophones & Projectors

Hydrophone GP1516



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Hydrophone GP1516

Preamplified cylindrical hydrophone, suitable for a wide range of applications. The simple construction, high quality materials and a great number of accessories makes the GP1516 a reliable sensor, robust and configurable, yet affordable.


• High sensitivity
• Low noise
• Double output: single/differential
• Calibration input
• High materials quality
• Robust
• Small and light

Technical specifications

• Working band: 5-70.000 Hz

• High pass filter on preamplifier: Customizable (on demand)

• Sensitivity differential output : -166dB re 1V/uPa@5KHz

• Sensitivity single output. -172dB re 1V/uPa@5KHz

• Orizzontal directivity: Omnidirectional on entire bandwidth

• Vertical directivity: Omnidirectional up to 40 kHz

• Max working depth : 500m

• Gain @5kHz: 30dB (single output), 36dB (differential output)

• Input acoustic equivalent noise @5kHz: 39dB re 1uPa/sqrtHz

• Input impedance: 10 Mega Ohm

• Power requirement: 11.5– 30VDC

• Current consumption: 9mA@12VDC

• Max voltage output: 7Vpp (single output), 14Vpp (differential output)

• Weight in air: 270 gr.

• Body: Stainless steel AISI 316 

Accessories and optional configurations

• Protective frame

• Protective frame with suspension system for vibration damping

• Portable and rugged receiving unit fitted with variable gain adjustment, rechargeable battery, audio output, headphones output with volume knob, calibration signal.

Also available

GP1516M model (without connector)

Hydrophone GP1516 Download

Product sheet – Hydrophone GP1516