Transducers
A good transducer is the heart and soul of your fishfinder! Incorporating some of the latest transducer technology, such as alternating or spectrum scanning transmitters or the use of 1000-watt in-hull or transom mount units, will allow incredible depth finder performance.
There are 4 main transducer models available, defined by how they are mounted on your vessel: Thru-Hull, Shoot-thru-hull (most often used for fiberglass hulls), transom-mount (best suited to trailerable size vessels) and portable transducers. The best transducer for you will depend a lot on your budget, boat type, shape and hull material and the fishing conditions it will be used in. Ideally a transducer needs to 'look' directly down and be mounted so that clean, turbulence-free water passes over its face.
Which is the Best Transducer for My Boat?
Hull Material Considerations:
Hull Material | Recommended Transducer Type |
Aluminium Hull (Tinny) | Transom Mount or Plastic Thru Hull |
Wooden Hull | Transom Mount or Bronze Thru Hull |
Fiberglass Hull | Transom Mount, Thru Hull (Bronze or plastic), Shoot Thru Hull/In-Hull |
Transducer Do's and Dont's:
- Plastic housings are recommended for fibreglass or metal hulls only. Never mount a plastic thru-hull housing in a wooden hull since swelling of the wood may overstress the plastic causing it to fracture.
- Bronze housings are recommended for fibreglass or wood hulls only. Never mount a bronze housing in a metal hull as electrolysis will occur.
- Never install a thru-hull transducer & leave the boat in the water unchecked for several days.
- Never use solvents on the transducer's face or the plastic housing.
- Always site the transducer so that external noise is minimised. Possible sources include air bubbles, propellers, generators, other echosounders.
- Transducer surfaces that can be painted must use a water based antifouling.
With the range of transducers available, selection can appear confusing and with the next generation of Lowrance Transducers and Airmar Broadband/CHIRP transducers arriving in-store – the definition will astound you! So speak with the marine electronics
Garmin GT22HW-TM CHIRP Transom or Trolling Mount Transducer
RRP: $289.00
NOW: $275.00
Humminbird Transom TR HD SI 200/50/455/800khz ION ONX
RRP: $1,239.00
NOW: $987.00
Humminbird XNT 9 SI 180 T Transom Transducer
RRP: $689.00
NOW: $622.50
Humminbird Thru Hull Mega+ SI HW MSI G3 Transducer
RRP: $1,519.00
NOW: $1,444.00
Humminbird XNT 9 20T Transducer
RRP: $399.90
NOW: $356.50
Humminbird Transom 200/50kHz ION ONX
RRP: $439.90
NOW: $392.50
Garmin 200/50Khz T/M Standard Biducer - 8 Pin
RRP: $149.00
NOW: $128.50
Garmin TM275LH-W 1kw Depth/ Temp CHIRP
RRP: $3,199.00
NOW: $2,716.00
Humminbird XD Transducer
RRP: $409.90
NOW: $373.00
Furuno TM165H-W Wide Beam 600W T/M Chirp Transducer
RRP: $847.00
NOW: $813.50
B175 Chirp Single Frequency Thru Hull Transducers
RRP: $1,999.00
NOW: $1,760.00
Furuno CM265LH CHIRP Transducer
RRP: $2,541.00
NOW: $2,356.00
Airmar PM275LH-W Chirp Transducer
RRP: $2,218.99
NOW: $2,046.00
Airmar B175H-W CHIRP Transducer
RRP: $2,199.00
NOW: $2,120.50
Simrad SS75M 80-130Khz 24-16 Xsonic Beam 20° D/T T/H T/D
RRP: $1,149.01
NOW: $1,075.50
Garmin SS60-20 200/50KHZ 600W T/H S/S Transducer Inc Temp
RRP: $569.00
NOW: $541.00
Simrad SS75M 80-130Khz 24-16 Xsonic Beam 12° D/T T/H T/D
RRP: $1,149.01
NOW: $1,075.50
Garmin DST810 Depth/Speed/Temp Thru-HullTransducer
RRP: $719.00
NOW: $611.00
Simrad xSonic SS60 Stainless Steel 50/200kHz Thru Hull Transducer - 0°
RRP: $569.00
NOW: $533.00
Raymarine R509 Thru-Hull Transducer - Depth/ Temp
RRP: $8,239.00
NOW: $8,192.00