Neptune T335: Low Frequency Transducer
Unique Group offers Neptune T335 Transducer which is a single piston transducer offering a high power, broad band performance at an affordable price and totally replaced the older Massa 3.5khz transducers. They are now the OEM transducer of choice for many leading manufacturers of Sub Bottom Profilers.
3.0 Khz Broadband projector
High power and high performance
Directional beam pattern
Long range transmission
Resonant frequency: 3.0 kHz
Useful frequency band: 2 kHz to 8 kHz
Beam pattern: 90 degrees
Nominal impedance: 220 Ohms
Input power max: 750 Watts
Used in many sub bottom profilers such as Knudsen 3260, Geoacoustic Pingers etc.
Often fitted in sea chests firing through the hull of the survey vessel
2 x 2, 3 x 3 or 4 x 4 arrays are common.