Overview
600 W The B45 is Airmar’s smallest and most economical, dual-frequency, bronze, stem transducer.
It features a single, 50/200 kHz ceramic element. The included fairing streamlines the transducer and increases the performance—even at higher speeds.
Technical specifications
| Acoustic Window | Urethane |
|---|---|
| Common Use | Cruising/Racing Sailboats, Leisure/Yachting, Fishing |
| Conventional Beam | 45°/12° |
| Frequency | 50/200 Khz |
| Functions | Depth, Temperature |
| Hole Size | 22 mm (7/8″) |
| Housing | Bronze |
| Hull Material | Fiberglass or wood |
| Max Deadrise | Up to 26° with fairing |
| Max Deadrise Angle | 26° |
| Max Depth | Low frequency- 366 m (1200′), High frequency- 206 m (700′) |
| Max Vessel LOA | Up to 9 m (30′) |
| Mounting Style | Thru-Hull with Fairing |
| Power Rating | 600 W |
| Product Family | Marine |
| Retractable housing | No |
| Single or Dual Frequency | Conventional Dual Frequency |
| Tilted Element | No |
| Usable Shaft Length | 92 mm (3.62″) |
| Weight | 2.5 kg (5.5 lb.) |
FAQs
What is the threaded mounting size for installation?
Threaded mounting is M22 x 1.5, and mounting hole diameter is 22 mm (7/8″).
What is the maximum hull deadrise supported with the included fairing?
With the fairing, hull deadrise up to 26° is accommodated by the transducer design.
How is the acoustic window of the B45 constructed?
The acoustic window material is urethane for durability and signal clarity.
How precise is the temperature sensor on the B45?
The fast-response water-temperature sensor provides ±0.2°C (±0.1°F) accuracy.
What is the configuration of the ceramic element?
The transducer features a single, 50/200 kHz ceramic element.
Is the B45 suitable for high-speed performance?
Yes, the streamlined fairing and design provide optimal results even at higher speeds.
Who do I contact for help with installation, servicing or advice?
Contact the SailRACE team — as certified marine experts we’re happy to help with product selection, installation and after-sales servicing, before and after your purchase.
Variant selection
Select the reference, connector and configuration that match your equipment. The options below identify the variants available in this listing.
- 31-696-1-01 — Generic
- 31-272-2-02 — Furuno 10-pin
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