Garmin AIRMAR B175M 0° Tilt

Garmin AIRMAR B175M 0° Tilt

Garmin AIRMAR B175M 0° Tilt are designed for the serious angler and offshore navigator. Operating on a Medium Frequency (85–135 kHz) band, it strikes the perfect balance between depth penetration and high-resolution target separation.

This specific 0° Tilt model is engineered for boats with a hull deadrise of 0° to 7°. Because the ceramic element is fixed at a 0° angle inside the housing, it ensures your sonar beam is aimed vertically for the most accurate echo returns, while the low-profile design sits nearly flush against your hull. This means less drag and no interference when loading onto trailer rollers or bunks.

Garmin AIRMAR B175M 0° Tilt Key Features

• 1kW Power Output: Delivers a powerful signal for exceptional performance in mid-to-deep waters, reaching depths of up to 457m (1,500ft).
• Medium Frequency CHIRP: Sweeps across the 85–135 kHz range, providing 50 kHz of total bandwidth to distinguish individual baitfish, game fish, and underwater structures with surgical precision.
• Low-Profile Bronze Housing: Protruding less than 6.35mm (1/4") outside the hull, this durable bronze fitting is ideal for fiberglass or wood hulls and ensures excellent resolution even at high speeds.
• Integrated Sensors: Provides highly accurate Depth and Fast-Response Water-Temperature readings directly to your Garmin chartplotter.
• Tilted Element Technology: The internal ceramic element is fixed to compensate for your hull's deadrise, eliminating the need for a cumbersome fairing block while maintaining a vertical beam.
• Target Separation: The 16° to 11° beamwidth is perfect for bottom fishing, allowing you to resolve targets tight to the seabed or tucked into wrecks.

Technical Specifications

• • Frequency: Medium CHIRP (85–135 kHz)
  • Power Rating: 1,000 Watts (1kW)
  • Beamwidth: 16° to 11°
  • Hull Deadrise: 0° to 7°
  • Housing Material : Bronze (Suitable for Wood or Fiberglass)
  • Hole Diameter: 95mm (3.75")

Morgan Marine Pro Tip: Always ensure your hull material is compatible. If you have a metal hull, please contact us about the stainless steel (SS175) equivalent to prevent galvanic corrosion.

Garmin AIRMAR B175M 0° Tilt FAQs

What does the "0° Tilt" actually mean?

The B175M is a "Tilted Element" transducer. This means the ceramic sonar element is fixed at an angle inside the bronze housing to compensate for your boat’s hull deadrise. The 0° version is designed specifically for hulls with a very flat bottom—specifically those with a deadrise angle between 0° and 7°. By using the correct tilt, the sonar beam points straight down to the sea floor rather than off to the side, ensuring you get the most accurate depth readings and strongest echo returns.

Why should I choose Medium Frequency (M) over High or Low?

The "M" in B175M stands for Medium Frequency (85-135 kHz). We often call this the "Goldilocks" frequency because it offers the best of both worlds:

• • Better Depth: It reaches deeper than High-frequency transducers (up to 1,500ft/457m).
  • Great Detail: It provides much better target separation and crispness than Low-frequency models.

It’s the ideal choice for anglers fishing in mid-depth waters who want to see individual fish hovering near bottom structures or wrecks.

What are the benefits of the "Low Profile" design?

Unlike older 1kW transducers that required a large, bulky fairing block (which can cause drag and affect your boat's handling), the B175M sits almost flush. It protrudes less than 6.35mm (1/4 inch) outside the hull. This makes it perfect for trailed boats, as it won't get knocked by trailer rollers or bunks.

Is this transducer compatible with my hull material?

The B175M features a bronze housing. This is suitable for:

• • Fibreglass (GRP) hulls
  • Wooden hulls

Please note: You should not install a bronze transducer in an aluminium or steel hull, as this will cause galvanic corrosion. If you have a metal boat, please ask us about the Stainless Steel (SS175M) equivalent.

Does it provide water temperature data?

Yes, absolutely. The B175M includes a highly sensitive, fast-response water temperature sensor alongside its depth-sensing capabilities. This is vital for finding "thermal breaks" where fish are often most active.

Will I get a clear image while travelling at speed?

Because of its flush-mounted, low-profile design, the B175M creates very little turbulence. When installed in a "clean water" location (away from strakes or water intakes), it provides excellent signal-to-noise ratios and can maintain a solid bottom lock even at higher cruising speeds.

What power output does it have?

This is a 1kW (1,000 Watt) transducer. This high power rating allows the CHIRP technology to "punch" through the water column more effectively than standard 600W transducers, providing much greater detail at depth.

How do I know if it will plug into my Garmin unit?

This specific model usually comes with an 8-pin or 12-pin Garmin connector (depending on the exact part number). It is fully compatible with Garmin’s GSD 25, GSD 26, or any GPSMAP "xsv" series chartplotter. If you aren't sure which connector your unit needs, just give us a ring at the shop and we’ll check for you.

What size hole needs to be drilled for installation?

For a standard installation in a fibreglass or wood hull, you will need to drill a 95mm (3-3/4") hole. We always recommend professional installation for thru-hull fittings to ensure a watertight and high-performance finish.