Garmin GT17M-THF SS Mid Band Chirp Transducer - 20° - 1kW - 8-Pin
Garmin GT17M-THF SS Mid Band Chirp Transducer - 20° - 1kW - 8-Pin — Product description
Unlock Crystal-Clear Underwater Insights with Mid-Band CHIRP Technology
Imagine gliding through open waters, your chartplotter revealing razor-sharp images of fish schools weaving around submerged structures, even at staggering depths. The Garmin GT17M-THF delivers exactly that. This stainless steel thru-hull transducer harnesses mid-band CHIRP sonar across 80-165 kHz, transforming vague sonar blips into vivid arches and precise bottom contours. Fishermen chasing trophy bass in deep lakes or offshore anglers targeting snapper swear by its ability to cut through thermoclines and pinpoint baitfish with unmatched clarity.
Built for boats that demand performance without compromise, its flush-mounted design minimizes drag, letting you cruise faster while maintaining optimal sonar beam projection. Whether you're trailering to remote lakes or running bluewater charters, this 1kW powerhouse ensures you never miss the action below.
Why Mid-Band CHIRP Outshines Traditional Sonar
Unlike fixed-frequency transducers that compromise on detail or coverage, CHIRP sweeps continuously across frequencies, adapting to conditions for superior target separation. In the mid-band sweet spot of 80-165 kHz, you'll enjoy beamwidths from 9 to 18 degrees—wide enough for broad searches, narrow for honing in on individual fish. Expect saltwater depths up to 1,800 feet and freshwater prowess reaching 2,400 feet, ideal for Great Lakes walleye runs or Gulf Stream pelagics.
Its rapid-response temperature sensor tracks water column changes, helping you dial in lure depth during seasonal shifts. Low noise and high resolution mean fewer false echoes, so you spend less time guessing and more time hooking up.
Seamless Thru-Hull Setup for Any Hull
With a 20-degree tilt, this transducer perfectly suits hulls with 16-24 degree deadrise angles—no fairing block needed, saving install time and hassle. The rugged stainless steel housing thrives in fiberglass, aluminum, steel, composite, or wood hulls, resisting corrosion from saltwater spray or freshwater minerals.
Plug-and-play Auto-ID tech auto-configures with compatible Garmin units, eliminating manual tweaks. A 50-foot cable gives flexibility for routing through tight bilges. Pro tip: Pair it with RapidReturn sonar for hyper-fast update rates during high-speed trolling, revealing dynamic fish behavior in real-time.
- Drag Reduction: Flush mount keeps your hull sleek for top speeds.
- Beam Optimization: Tilt aligns sonar cone perpendicular to water for distortion-free reads.
- Versatile Fit: Jam nut, spacers, and isolators included for secure, vibration-proof mounting.
Real-World Wins for Anglers and Cruisers
Offshore guides use it to map wrecks teeming with grouper, spotting structure amid sandy bottoms. Inshore enthusiasts track reds along oyster bars, where mid-band frequencies excel at separating targets in murky bays. Cruisers appreciate the reliable depth and temp data for safe navigation in unfamiliar anchorages.
Maintenance is straightforward: Rinse after saltwater use, check stem seals annually, and you're set for seasons of service. Compared to plastic housings, stainless steel shrugs off impacts from dockside bumps or debris strikes.
Technical Specifications at a Glance
| Feature | Details |
|---|---|
| Frequency Range | Mid-band CHIRP (80-165 kHz) |
| Power Rating | 1 kW |
| Beamwidth | 9°-18° |
| Max Depth | 1,800 ft saltwater; 2,400 ft freshwater |
| Sensors | Depth and temperature |
| Cable Length | 50 ft |
| Connection | 8-pin |
| Deadrise Support | 16°-24° (20° tilt) |
| Housing | Stainless steel |
| RapidReturn Compatible | Yes |
Complete Kit for Effortless Installation
- GT17M-THF transducer
- Jam nut
- Spacer
- 2 washers
- 2 set screws
- Thread isolator
- Hull isolator
- Documentation
Frequently Asked Questions
What frequency range does the Garmin GT17M-THF use?
It operates on mid-band CHIRP from 80-165 kHz, perfect for detailed imaging in medium-depth waters.
How deep can this transducer detect fish and structure?
Up to 1,800 feet in saltwater and 2,400 feet in freshwater, making it ideal for offshore and deep lake fishing.
Which hull deadrise angles does it support?
The 20-degree tilt version fits hulls with 16-24 degree deadrise, common on many planing hulls.
Does it include a temperature sensor?
Yes, it provides fast-response water temperature sensing alongside depth data.
Is installation plug-and-play?
Absolutely—Garmin's Auto-ID technology auto-configures it with compatible chartplotters.
What materials is the housing made from?
Durable stainless steel, built to withstand harsh marine environments.
What's the cable length for routing?
A generous 50 feet, offering plenty of reach for complex boat wiring setups.
Can it handle high-speed operation?
Yes, its flush thru-hull design reduces drag, and it's compatible with RapidReturn for fast sonar updates.
GT17M-THF SS Mid Band Chirp Transducer - 20° - 1kW - 8-Pin
Designed for reduced drag and optimum sonar performance on fishing and cruising boats, this flush-mounted 1 kW mid-band CHIRP (80–165 kHz) transducer clearly defines fish arches, structure, and bottom depth returns on the display.
Features:
- See maximum depth performance to 2,400’ in freshwater
- Access CHIRP sonar frequency range from 80–165 kHz
- Search with beamwidths of 9–18 degrees
- Count on fast-response water temperature sensing
- The thru-hull design offers flush installation with a 20-degree tilt
- Auto-ID enables simple plug-and-play operation
Midband Chirp Traditional Sonar
This 8-pin 1 kW stainless steel thru-hull transducer features high-definition mid-band CHIRP sonar that clearly defines fish targets and structures down to 1,800’ in saltwater and 2,400’ in freshwater.
Broad Frequency Range
Use the perfect frequency for the waters in which users are fishing. Covering the medium frequency range, this transducer pulses from 80–165 kHz, displaying a wide coverage area, clear fish arches, and accurate depth readings.
Optimum Ping Sensitivity
Offering excellent sonar sensitivity, low noise, high resolution, and good separation of targets, this robust transducer makes it easier than ever to distinguish fish and structure on the compatible chartplotter display.
Thru-Hull Installation
A durable stainless steel housing and stem offer straightforward thru-hull flush mounting for minimum drag and optimum beam orientation for clear sonar returns.
Auto-ID Technology
Enjoy simple plug-and-play operation with Garmin auto-identification technology, which enables the sonar to automatically configure itself to the transducer being used.
Fits Various Hull Types
Configurable for a wide variety of boat hull materials, including fiberglass, composite, steel, aluminum, and wood, the transducer is available in a range of tilt versions to accommodate deadrise angles of 0–24 degrees without a fairing block.
In the Box:
- GT17M-THF transducer
- Jam nut
- Spacer
- 2 washers
- 2 set screws
- Thread isolator
- Hull isolator
- Documentation
Specifications:
- Transducer Frequency: Medium band CHIRP (80-165 kHz)
- Transducer Power: 1 kW
- Transducer Beamwidth: 9°-18°
- Transducer Maximum Depth: 1800 ft saltwater; 2400 ft freshwater
- RapidReturn™ Sonar Compatible: Yes
- Transducer Cable Length: 50 ft
- Transducer Depth/Speed/Temperature: Depth, temperature
- Transducer Number of PINs: 8-pin
- Transducer Supported Deadrise/Transom Angles: 20° supports hull deadrise angles from 16° to 24°
- Housing Material: Stainless steel
SKU: NVN-104651
MPN: 010-02930-02
UPC:
Technical specifications
| Brand | Garmin |
| Model | Garmin GT17M-THF SS Mid Band Chirp Transducer - 20° - 1kW - 8-Pin |
| SKU / MFR# | 104651 |
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