B258
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Catalog excerpts

The Cost Effective Choice The B258 is 25 times more sensitive than a single-element 50/200 kHz transducer. This innovative 1 kW transducer makes 600 W fishfinders perform like their more powerful big brothers—especially at 50 kHz. How does it do it? The B258 uses Airmar’s new and unique ceramic-element construction. The resulting narrow beams will clearly distinguish individual fish and bottom fish from their habitat at depths down to 670 m (2,200’). Streamlined Performance Maximize performance by installing the B258 with Airmar’s custom fit High-Performance Fairing. At speeds over 30 knots (34 MPH), screen displays show clear images and a clean bottom trace. • Inshore and blue-water trolling 1 kW Entry-Level Fishing Applications • The versatile 1 kW transducer for all types of fishing • Deep-water bottom and structure fishing up to 500 m (1,640’) Features • Elliptical beam covers more bottom area thus increasing your catch at all depths • Depth and fast-response water-temperature sensor • Recommended for sportfishing boats above 9 m (30’) and small to mid-size commercial fishing boats • Four 50/200 kHz ceramics as compared to one ceramic in 600 W units • Provides greater surface area resulting in better se

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Technical Information SPECIFICATIONS Number of Elements and Configuration Hull Deadrise: Up to 26° with fairing 15° x 21° Acoustic Window: Epoxy/urethane DIMENSIONS MAXIMUM DEPTH RANGE 441 m to 647 m BEAM DIAMETER VS DEPTH 50 kHz TRANSDUCER COMPARISON Model Rating Good 200 times more sensitive at 50 kHz 32 times more sensitive at 200 kHz 107 50 times more sensitive at mm kHz 50 13 times more sensitive(4.20”) kHz at 200 400 times more sensitive at 50 kHz 32 times more sensitive at 200 kHz Transducer and High-Performance Fairing Performance Increase 51 mm Benchmark model for comparison...

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