Raymarine

Raymarine B258 Depth, Temp 50-200 kHz Bronze Through Hull Transducer

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A80172
High-sensitivity 1 kW bronze thru-hull transducer with four internal ceramics, 50/200 kHz dual frequency, depth and temperature and an included fairing block for clean returns at speed.

Collection or delivery in 1-2 weeks

Pickup available at Mercury Yacht Harbour

Usually ready in 2-4 days

Description

The Raymarine B258 features four internal ceramics for increased sensitivity and better deep-water performance, and ships with a custom-fit, high-performance fairing block for uninterrupted performance even at speed.

The B258 is 25 times more sensitive than a single-element 50/200 kHz transducer. This 1 kW transducer makes 600W fishfinders perform like their more powerful big brothers, especially at 50 kHz. Its high-performance ceramic-element construction produces narrow beams that clearly distinguish individual fish and bottom fish from their habitat at depths down to 670 m (2200 ft).

Operating at 50 / 200 kHz with an elliptical beam pattern of 15° x 21° at 50 kHz and 3° x 5° at 200 kHz, the B258 records depth and temperature and suits hulls with a deadrise of 0 - 26°. Properly installed with its fairing block it produces clear images and a clean bottom trace at speeds over 30 knots (34 mph). The B258 uses a DSM-style connector and can be adapted to current sonar systems with an optional adapter cable.

PRODUCT DETAILS

  • 1 kW bronze thru-hull transducer with four internal ceramics
  • 25 times more sensitive than a single-element 50/200 kHz transducer
  • Dual frequency 50 / 200 kHz; narrow elliptical beams (15° x 21° @ 50 kHz, 3° x 5° @ 200 kHz)
  • Depth and temperature; depths to 670 m (2200 ft)
  • Includes a custom-fit high-performance fairing block
  • Clean bottom trace at speeds over 30 knots; deadrise 0 - 26°

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Performance

Operating Frequency50 / 200 kHz
Power (RMS)1 kW
Beamwidth15° x 21° @ 50 kHz, 3° x 5° @ 200 kHz (elliptical)
Maximum Depth670 m (2200 ft) @ 50 kHz / 305 m (1000 ft) @ 200 kHz
Internal Ceramics4

General

MountThrough-Hull
MaterialBronze
RecordsDepth / Temperature
Deadrise Angles0 - 26°
FairingIncluded (custom-fit high-performance fairing block)

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Why is the B258 so much more sensitive?
The B258 uses four internal ceramics, making it 25 times more sensitive than a single-element 50/200 kHz transducer. It lets a 600W fishfinder perform like a more powerful unit, especially at 50 kHz.
How deep will the B258 read?
Its narrow beams distinguish individual fish and bottom features at depths down to 670 m (2200 ft) at 50 kHz.
Is a fairing block included?
Yes. The B258 ships with a custom-fit, high-performance fairing block that keeps performance clean at speeds over 30 knots (34 mph).