Garmin
Garmin GT41-THP Thru-Hull Transducers 12 pin
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010-12221-11
The Garmin GT41-THP is a matched pair of 12-pin stainless steel thru-hull transducers delivering traditional 50/200 kHz sonar plus Garmin ClearVu and SideVu CHIRP scanning sonar. Joined by a Y-cable to a sonar black box, the pair suits hulls of up to 25 degrees deadrise.
✓
Collection or delivery in 1-2 weeks
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Garmin GT41-THP is a matched port-and-starboard pair of 12-pin thru-hull transducers combining traditional 50/200 kHz sonar with Garmin ClearVu and SideVu CHIRP scanning sonar (260 and 455 kHz). With 600 W traditional power and 500 W per scanning element (1,500 W total), the pair gives strong traditional returns to 1,500 ft, ClearVu detail to 1,000 ft and wide SideVu coverage to 750 ft. Splitting SideVu across two hull-mounted transducers keeps clear side coverage on hulls of up to 25 degrees deadrise. Two fairing blocks, isolation plates and bushings are included, with at least one anti-rotation bolt required per transducer, and a built-in fast-response water temperature sensor. The two transducers join via the included Y-cable to a Garmin sonar black box (GCV 10) and compatible 12-pin chartplotters.
PRODUCT DETAILS
- Matched pair of all-in-one thru-hull transducers: traditional plus ClearVu and SideVu CHIRP
- Traditional 50/200 kHz at 600 W; scanning sonar 500 W per element (1,500 W total)
- ClearVu reads to 1,000 ft; SideVu reads to 750 ft with wide structure coverage
- Two fairing blocks support hulls of up to 25 degrees deadrise
- Joined by a Y-cable to a Garmin sonar black box; built-in temperature sensor
- 12-pin connection to compatible Garmin chartplotters and the GCV 10 sonar black box
- Two GT41 12-pin port and starboard thru-hull transducers with stainless steel stems
- Two fairing blocks
- Y-cable
- Isolation plates and bushings
- Mounting hardware (including anti-rotation bolts)
- Installation instructions
No exploded diagram available for this product.
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No compatible products found.
Sonar
| Sonar types | Traditional sonar plus Garmin ClearVu and Garmin SideVu (CHIRP) scanning sonar |
| Traditional frequency | 50/200 kHz |
| Traditional power | 600 W RMS |
| ClearVu / SideVu frequency | CHIRP 260 kHz (245-275 kHz) and 455 kHz (445-465 kHz) |
| ClearVu / SideVu power | 500 W per element (1,500 W total) |
| Maximum depth | Traditional 1,500 ft; ClearVu 1,000 ft; SideVu 750 ft |
Beam
| Traditional beamwidth | 40 degrees (low) / 10 degrees (high), -3 dB |
| ClearVu / SideVu beamwidth | 2.0 x 51 degrees at 260 kHz; 1.4 x 29 degrees at 455 kHz |
Mounting
| Mount type | Thru-hull pair (port and starboard) with cuttable fairing blocks; supported deadrise up to 25 degrees |
| Fairing block | Fairing block included; maximum cut angle 25 degrees; a fairing block should be used where deadrise exceeds 5 degrees |
| Installation | Must be installed with one or more included anti-rotation bolts; metal hulls use the included isolation plate and bushings |
| Anti-fouling | Apply water-based anti-fouling paint every six months; never use ketone-based paint |
Physical
| Housing material | Stainless steel stem |
| Temperature sensor | Built-in fast-response water temperature sensor |
Connectivity
| Connector | 12-pin |
| Cable | Each transducer 1.5 m (5 ft) plus a 9 m (30 ft) Y-extension combining the pair to the sonar black box |
Compatibility
| Compatible devices | Connects via a 12-pin sonar port to compatible Garmin chartplotters and sonar black boxes, including the STRIKER and ECHOMAP CHIRP DV/SV series, GPSMAP xsv series and the GCV 10 sonar black box. Some combinations require an adapter cable. |
General
| In the box | Two GT41 12-pin port and starboard transducers with stainless steel stems, two fairing blocks, Y-cable, isolation plates and bushings, mounting hardware and installation instructions |
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Why is the GT41-THP supplied as a pair?
Splitting SideVu across two hull-mounted transducers, one angled to each side, lets the GT41-THP keep clear side coverage on hulls of up to 25 degrees deadrise where a single transducer would struggle. The two transducers join to a sonar black box via the included Y-cable.
What sonar does the GT41-THP provide?
Traditional 50/200 kHz sonar (600 W, to 1,500 ft) plus Garmin ClearVu and SideVu CHIRP scanning sonar at 260 and 455 kHz (500 W per element, 1,500 W total; ClearVu to 1,000 ft, SideVu to 750 ft).
What do I need to display its sonar?
It uses 12-pin connectors joined by a Y-cable to a Garmin sonar black box (GCV 10) and compatible 12-pin chartplotters; some combinations require an adapter cable.
Does it read water temperature?
Yes, it has a built-in fast-response water temperature sensor.
