Airmar Transducers

Airmar B45 - 50/200KHZ Bronze TH Depth/Temp - Navman

Brand: Airmar
Part Number: B45-DT-6N

The B45 is Airmar's smallest and most economical, dual-frequency, bronze, stem transducer. Its streamlined shape deflects aerated water from the transducer's face for strong return echoes and clear display images.


  • Recommended for planing-hull powerboats and cruising sailboats up to 9 m (30’)
  • Good sensitivity in a compact housing
  • Fast-response water-temperature sensor
  • 50/200 kHz
  • 600 W RMS
  • Mid-performance
  • Bronze transducer housing


  • Weight: 2.5 kg (5.5 lb)
  • Hull Deadrise: Up to 26° with fairing
  • Acoustic Window: Urethane

A 6-pin female connector used by Navman equipment, including some that was later rebranded Northstar. Although this is physically the same connector as the -6G, the wiring in the cable is not identical. Also used by the Simrad NX.