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The Garmin GT15M-TH 8-Pin Brass Transducer is the right choice for fishermen and boat owners who need clear, accurate, and stable sonar readings. With CHIRP mid-band technology, this transducer helps display bottom contours, underwater objects, and fish arches in greater detail.
The Garmin GT15M-TH is designed as a through-hull transducer with a bronze or brass housing and stem. This construction makes it ideal for installation on wooden fishing boats. The product supports depth and water-temperature readings, helping with both fish-finding activities and navigation.
The Garmin GT15M-TH is ideal for fishermen who want a clear view of the bottom structure beneath their boat. Its traditional CHIRP mid-band sonar technology produces easily identifiable fish targets, clear and wide fish arches, and excellent target separation.
With a transmission power of 600 W, this transducer delivers reliable underwater performance down to a maximum depth of 1,900 feet in freshwater. For fish-finding applications, the GT15M-TH offers effective detection down to approximately 1,000 feet, depending on water conditions, installation, and the sonar device being used.
The variable beam angle of 24° to 13° provides suitable coverage beneath the boat at different depths. In shallower water, the wider beam scans a larger area. When the boat moves into deeper water, the beam becomes narrower, allowing underwater objects and bottom structures to be viewed with greater focus.
The Garmin GT15M-TH Transducer has the following specifications:
Transducer frequency: CHIRP mid-band, 85–165 kHz.
Transducer power: 600 W.
Transducer beamwidth: 24°–13°.
Maximum transducer depth: Up to 1,900 feet in freshwater.
Transducer cable length: 20 feet.
Transducer functions: Depth and water-temperature readings.
Transducer connector: 8-pin.
Supported deadrise angle: 0°–6° deadrise.
Installation type: Through-hull.
Housing and stem material: Bronze/brass.
Sonar technology: Traditional CHIRP mid-band sonar.
CHIRP technology transmits a range of frequencies rather than using only a single frequency. On the Garmin GT15M-TH, the 85–165 kHz CHIRP mid-band range helps produce a sharper sonar display compared with conventional sonar readings.
The main benefits of using a CHIRP mid-band transducer include:
Clearer fish arches.
Easier separation of fish located close together.
More detailed display of bottom contours and underwater structures.
Stable readings while the boat is moving.
Support for fish-finding in deep water.
Assistance in identifying potentially productive fishing areas.
This transducer can be a worthwhile investment for fishing boats equipped with a compatible Garmin fishfinder or chartplotter featuring an 8-pin connection and CHIRP mid-band sonar support.
The Garmin GT15M-TH uses a through-hull design, meaning that the transducer is installed through the boat’s hull. Its bronze or brass housing provides excellent durability and is suitable for use on wooden fishing boats.
This product supports installation on hulls with a deadrise angle of 0° to 6°. Therefore, it is important to confirm that the boat’s hull angle is compatible before installation to ensure optimal transducer performance and accurate sonar readings.
The transducer should also be installed in an area of the hull with clean water flow, away from the propeller, engine, and areas with excessive turbulence. Proper positioning helps reduce signal interference while the boat is underway.
Looking for a high-quality Garmin GT15M-TH 8-Pin Brass Transducer for your fishing boat? Contact Alnindo for information about product availability, device compatibility, product consultation, and special pricing.
For orders, contact us via WhatsApp at 081586838888 or visit our official websites:
Perkantoran, Jl. Taman Palem Mutiara No. 1 Blok A18, RT.7/RW.14, Cengkareng Timur, Cengkareng District, West Jakarta, Special Capital Region of Jakarta 11730, Indonesia.
The Garmin GT15M-TH is an 8-pin through-hull transducer featuring traditional CHIRP mid-band sonar technology with a frequency range of 85–165 kHz. It is used to read water depth, water temperature, bottom contours, and fish targets beneath the boat.
The Garmin GT15M-TH has a transducer power output of 600 W.
Yes. This transducer supports both depth and water-temperature readings.
The transducer can reach a maximum depth of up to 1,900 feet in freshwater. Actual performance may be affected by water conditions, installation, boat speed, and sonar-device compatibility.
Yes. Its bronze or brass through-hull housing and stem make the Garmin GT15M-TH ideal for use on wooden fishing boats.
The Garmin GT15M-TH uses an 8-pin connector.
The Garmin GT15M-TH transducer cable is 20 feet long.
No. The Garmin GT15M-TH supports installation on hulls with a deadrise angle of 0° to 6°. Make sure that your boat’s hull specifications are compatible before purchasing and installing the product.
For orders and pricing information, contact Alnindo via WhatsApp at 081586838888 or visit the official Alnindo websites at alnindo.com and alnindo.id.
