Low-frequency Performance
The M74 features low-frequency, ceramic arrays for exceptional deep-water performance and sub-bottom detail. This transducer can be “chirped” with a longer pulse over a wide-frequency band.
Applications:
- Survey echosounding
- Sub-bottom profiling
Features:
- Long acoustic paths
- Matching transformer provides pure resistive load
- Transducer has a transformer-access pocket for simplified field repair
- Housing has six threaded mounting points
- SEALCAST™, seamless, urethane housing for long life underwater
Options:
- 12 or 15 kHz array
- Impedance to customer’s specifications using matching transformer
- Bulkhead or in-line connector to customer specifications
Specifications:
- Weight: Varies depending on the cable length and configuration (call for weight)
- 12 kHz: 74.5 kg (164 lb.)
- 15 kHz: 40 kg (88 lb.)
- Acoustic Window: Urethane
- Cable Type: C43, one shielded twisted pair (2-14 AWG) with braided shield, black neoprene jacket, 10 mm (13/32") diameter