CR-MAX Conditioning Amplifier

CR‑MAX Conditioning Amplifier — multi-channel filtering for hydrophones and arrays
CR‑MAX is a multiplexed active filter/preamp designed to optimise hydrophones and hydrophone arrays, particularly in environments where low-frequency rumble, cable noise, and vessel noise can dominate recordings.

Best for
Multi-channel field setups, towed arrays, DAQ-based recording, and projects needing flexible filtering per channel.

What it does

• Selectable high‑pass and low‑pass filter cards per channel
• Built-in rumble filter to reduce low-frequency tow/cable noise
• Variable gain control for level management across operating conditions