AH-series Preamplifiers and Accessories

A broad mix of in-line preamplifiers and accessories are offered to enhance hydrophone measurements by increasing the gain, preserving the flatness response, extending the dynamic range, and minimizing reflections.  

Key Features and Benefits
  • Flat frequency response
  • Low noise - up to 78 dB dynamic range
  • Fully immersible
  • Only one cable in the tank
  • Waterproof mating to Onda hydrophones
  • Compatible with any hydrophone
A broad mix of preamplifiers are offered to support your application. There are several submersible preamplifier models offered: AH-2010, AH-2020, and AG-2010. The ATH-2000 in-line attenuator is also available to provide a larger dynamic range. Finally, there are a variety of hydrophone mounts, adapters and cables available to provide best access to the measurement working area.
AH-2010-100 AH-2020-100
Bandwidth 50 kHz - 100 MHz
Voltage Gain 20 dB -Hand or TTL switchable 0 or 20 dB
Input Impedance 1 MΩ in parallel with 6 pF 1 MΩ in parallel with 7 pF
Output Impedance 50 Ω
Max Output into 50 Ω 4 Vpp below 50 MHz
1 Vpp above 50 MHz
1.2 Vpp
Power Consumption (max) 2 W 2.5 W
Noise Level 20 dB: 360 μVrms 20 dB: 400 μVrms
0 dB: 350 μVrms
Calibration Included

Specifications are subject to change without notice.

Related Resources

AH Preamplifier Data Sheet

AH Preamplifier Data Sheet

Get technical specs and information on the AH Preamplifiers by Onda.

Get Data Sheet

AG Preamplifier Data Sheet

AG Preamplifier Data Sheet

Get technical specs and information on the AG Preamplifiers by Onda.

Get Data Sheet

Hydrophone Handbook

Hydrophone Handbook

Learn how to select the best hydrophone for your application.

Read Handbook

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