The Garmin GT51M-THP Transducer THRU-HULL Pair is a rugged CHIRP sonar solution for coastal and offshore anglers, combining traditional depth with high-contrast CHIRP ClearVü and CHIRP SideVü imaging in a durable THRU-HULL design.
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Transducer type: THRU-HULL pair with stainless steel stems and mounting hardware for robust hull integration
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Imaging & frequencies: CHIRP Mid-band 80–160 kHz for traditional depth; CHIRP ClearVü/SideVü at 260 kHz (245–275 kHz) and 455 kHz (445–465 kHz) for detailed underwater views
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Power: CHIRP Traditional 600 W; ClearVü/SideVü 500 W per element
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Depth performance: Traditional up to 1,800 ft; ClearVü up to 1,000 ft; SideVü up to 750 ft
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Beamwidth: Traditional 24°–13°; ClearVü/SideVü 2.0°×51° @ 260 kHz and 1.4°×29° @ 455 kHz
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Construction: Stainless steel stems with fairing blocks, designed for hulls with up to 25° deadrise
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Cable & installation: 5 ft cable plus 30 ft Y-extension; includes installation hardware, fair blocks, isolation plates, bushings, and Y-Cable
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In‑box contents: Port transducer, starboard transducer, fair blocks x2, isolation plates and bushings x2, mounting hardware, documentation, and Y-Cable
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Temperature sensor: Built-in fast-response temperature sensor for fish behavior interpretation and environment tracking
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Model: 010-01966-11
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Number of pins: 12-pin
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Maximum deadrise support: Up to 25° deadrise
The GT51M-THP package provides a comprehensive sonar experience, delivering precise target separation and detailed underwater views from coastlines to offshore venues. Its through-hull construction, robust power, and built-in temperature sensing support reliable performance in varied conditions, while the included installation kit and extended cable options simplify mounting on a wide range of vessels.
| General |
| Frequency |
| CHIRP Mid-band |
(80-160 kHz) |
| ClearVü/SideVü CHIRP |
260 kHz (245-275 kHz) & 455 kHz (445-465 kHz) |
| Power |
| CHIRP Traditional |
600 W |
| ClearVü/SideVü |
500 W |
| Beamwidth |
| Traditional |
24°-13° |
| ClearVü/SideVü |
2.0°x51° @ 260 kHz and 1.4°x29° @ 455 kHz |
| Maximum depth |
| Traditional |
1,800 ft |
| ClearVü |
1,000 ft |
| SideVü |
750 ft. |
| Depth/Speed/Temperature |
Depth and Temperature |
| Number of pins |
12-pin |
| Cable length |
5 ft. + 30 ft. y-extension cable |
| Supported deadrise/Transom angles |
Up to 25° deadrise |