B75C-12-L-MM - Airmar B75C-12-L 12d Tilt Low CHIRP With | Aztek Computers
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SKU: GKZ1QLHKUA |  Mfg. Part: B75C-12-L-MM  | 
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B75C-12-L-MM - Airmar B75C-12-L 12d Tilt Low CHIRP With Mix-n-Match Plug

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$880.02  $1,188.03
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Product Overview

Airmar B75C-12-L 12d Tilt

Low CHIRP

Model: B75C-12-L-MM
  • Depth & fast-response water-temperature sensor
  • Low—CHIRPS from 40 kHz to 75 kHz, 32° to 21° beamwidth
  • 300 W of power with a maximum depth of 353 m (1200')
  • Great deep-water performance
  • Low-profile, thru-hull housing provides good display resolution at speed when installed properly
  • Recommended for stepped, planing, or displacement hull
  • Bronze housing for use in a fiberglass or wood hull

Airmar’s low-profile, Chirp-ready transducer models are the perfect addition to smaller boats such as center consoles. The low-frequency band, operating between 40 and 75 kHz, is a deep-water performer, providing excellent coverage and tracking. The B75L transducer delivers up to 35 kHz of total bandwidth in just one installation.

When the transducer is installed almost flush to the hull, the tilt of the element corrects for the hull deadrise, orienting the beam directly down. This ensures maximum echo returns to the transducer for more accurate depth readings.

Provides greater depth range, wider beamwidth, and ultimately more coverage under the boat

Chirp signal processing technology used with AIRMAR broadband, Chirp-ready transducers provides more detail at greater depths and is less susceptible to noise

Great for operating at high boat speeds

Specifications
Cable-Length9 m (30')
Deadrise Range8 to 16°
Frequency BandLow
Low Frequency40-75 kHz
Low Frequency Beamwidth32°-21°
Max Depth366 m (1200')
Power Rating300 W
Retractable housingNo
Single or Dual FrequencyCHIRP-Ready Single-Band
Transducer FunctionsDepth, Temperature

What's in the Box:
  • B75C-12-L-MM



Expert Overview

The Airmar B75C-12-L-MM is a low-profile, thru-hull transducer designed for marine applications, specifically for smaller vessels such as center consoles. This unit provides depth and fast-response water temperature sensing capabilities. It operates within a low CHIRP frequency band of 40 kHz to 75 kHz, offering a beamwidth that ranges from 32� to 21�. With a 300 W power rating, it supports a maximum depth of 366 meters (1200 feet). The bronze housing is suitable for installation in fiberglass or wood hulls. The 12� tilt element corrects for hull deadrise between 8� and 16�, orienting the beam directly downwards for accurate readings, even at speed. This transducer is intended for IT professionals and procurement managers seeking reliable deep-water performance and detailed echo returns for navigation and fish-finding systems on compatible boats.

Product Details

  • Manufacturer:
  • Model Number:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
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  • Airmar
  • B75C-12-L-MM
  • New
  • 5 lbs
  • 5 X 5 X 5
  • Aug 02, 2026
  • Nov 24, 2025
Product Identifiers: Brand: Airmar • Part #: B75C-12-L-MM • Category: Marine/Air Band Radio Antennas

Frequently Asked Questions

What type of hull is this transducer compatible with?

The Airmar B75C-12-L-MM transducer features a bronze housing, making it suitable for installation in fiberglass or wood hulls. It is recommended for stepped, planing, or displacement hull types.

What functions does this transducer provide?

This transducer provides both depth and fast-response water temperature sensing functions. It utilizes CHIRP-ready single-band technology for detailed readings.

What is the maximum depth capability of this transducer?

The Airmar B75C-12-L-MM has a power rating of 300 W, supporting a maximum depth of 366 meters (1200 feet).

What is included in the box with this product?

The box includes the B75C-12-L-MM transducer itself. It features a 9-meter (30-foot) cable and a Mix-n-Match plug.

B75C-12-L-MM - Airmar B75C-12-L 12d Tilt Low CHIRP With Mix-n-Match Plug

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$880.02