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B117 Transducer

Low-profile through-hull 600W 50/200 kHz fishfinder transducer.

The B117 is the equivalent of a zero-tilt version of the B60. Plastic (P319) and Stainless (SS60-0) models are also available.


Type Standard non-CHIRP fishfinder transducer
Frequency50 kHz / 200 kHz
Beam Width45° at 50kHz / 12° at 200kHz
Power Rating600 watts
Mounting Low-profile through-hull
Housing Bronze
Hull Aperture2" (51mm)
Usable Shaft Length2.62" (66.5mm)
Cable Length 10 meters
Mix and Match
Temperature Sensor
Speed Sensor Χ
Retractable Insert Χ
Tilted Χ
Status In production
Reference Page View the B117 page on the Airmar website


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Base Models

These Mix and Match base models must be combined with a Mix and Match cable for installation. The suffix '-MM' in the Gemeco part number designates a Mix and Match base model.

TransducerGemeco Part #Airmar Part #Description
B117-DT-MM31-366-6-01B117 base transducer

Mix and Match Cables

This transducer uses the Mix and Match system. Installation requires two parts - a base model plus one of the Mix and Match 600W cables (MM) listed below.

Each base model has a 2 meter pigtail cable permanently attached. This cable ends in an Airmar 5-pin female connector. The Mix and Match cables are 9 meters long and have a male Airmar 5-pin connector at one end (to connect to the transducer pigtail) and a brand-specific connector at the other end (to connect to the sounder or fishfinder). If an owner changes their fishfinder or sounder, a different MM cable can be installed without disturbing the transducer itself.

Gemeco sells kits containing a base model and a Mix and Match cable. For example, the B117-8G kit contains a base transducer and an MM-8G cable.

Cable ConnectorGemeco Part #Airmar Part #LengthEquipment
MM-033-480-019 metersBare wire applications
MM-10FUR33-564-019 metersFuruno 10-pin
MM-10N22-860-019 metersNorthstar 490S, 491
MM-233-240-029 metersRaymarine ST50
MM-333-244-019 metersOlder Fuji 3-pin
MM-5P-5P33-247-0212 metersExtension cable for 600W Mix and Match
MM-6DO33-271-019 metersGarmin 6-pin depth-only
MM-6DT33-966-019 metersGarmin 6-pin
MM-6NAV33-914-019 metersNavman/Northstar/Simrad 6-pin
MM-733-396-019 metersOlder Simrad, Raytheon, JRC 7-pin
MM-833-898-019 metersOlder Furuno/SiTex/Fuji 8-pin
MM-8G33-1178-019 metersGarmin blue 8-pin
MM-8S33-628-019 metersSiTex CVS, SVS
MM-DT-LOW33-636-019 metersLowrance/Simrad blue 7-pin
MM-FISO33-259-019 metersRaymarine instruments with spade connectors
MM-HB33-630-019 metersHumminbird #9
MM-RAY33-621-019 metersRaymarine DSM300 and equivalent
MM-RAYA33-622-019 metersRaymarine current series 6/9-pin
MM-RCA33-238-029 metersDatamarine

Replacement Parts

PartAirmar Part #Description
02-030Bronze Hull Nut
117WR-1Crows Foot Wrench
117WR-2Single Handle Wrench
117WR-3Double Handle Wrench
117WR-4Single Handle Wrench