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Old 21-08-2012, 05:58   #1
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Sonar Transducer - One Size Fits All ?

Hi all

Just bought a new boat and am stumped with one thing ( at the moment ) The yacht has a sonar but at the moment the display doesn't work as the switch is a bit corroded.

The issue I have is that I don't have a depth sounder and being in an Archipelago I really need one.

So the question is can I use the sonar transducer and use it with a depth sounder such as tac tic etc? As you can see on the below picture it is a lot more than a small through hull ( the massive hunk sitting out of the hull on the left) it is actually pretty big and pic doesnt do it justice. Its at least 30cm long and 12-15cm wide.

The through hull on the inside is pretty blank and doesn't give away any detail of what it could be brand wise etc. I imagine I would need to cut it and just wire it if it is possible. I have not had to much around with instruments as yet.

Any advice appreciated.
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Old 21-08-2012, 06:07   #2
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Re: sonar transducer, one size fits all?

this is on the inside. Crappy iphone pic
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Old 21-08-2012, 09:39   #3
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Re: sonar transducer, one size fits all?

As I understand it, most transponders are made by one company, but are specific to the manufacturer.
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Old 21-08-2012, 09:48   #4
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Re: sonar transducer, one size fits all?

Unfortunately, most transducers are not compatible with most sounders.

There are so many nice sounders out there now with a number of features that it is probably worth buying a new one and changing out the old transducer for a compatible one.
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Old 21-08-2012, 09:49   #5
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Re: sonar transducer, one size fits all?

Airmar Triducer DST800 is used on almost every boat built today.
Its the same unit made for all systems and they just change the cable end connector.


DST800 —Thru-Hull, Smart™ Sensor - Airmar Marine Transducers
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Old 21-08-2012, 17:33   #6
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Thanks guys. Was just hoping not to have to haul out again as I just did it, and being in a remote location makes it a bit of a mission. Will buy a new one and look into putting a new thru hull in, she is a ferro so should be fun!
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Old 21-08-2012, 17:39   #7
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Re: sonar transducer, one size fits all?

Quote:
Originally Posted by David M View Post
Unfortunately, most transducers are not compatible with most sounders.

There are so many nice sounders out there now with a number of features that it is probably worth buying a new one and changing out the old transducer for a compatible one.
this!

I had an old Hummingbird and an old Strek. When I upgraded to the Garmin 740s the Hummingbird transducer didnt work. additionally, they are set for certain frequencies. a larger freq transducer can work on certain lower frequency systems but not vice versa.
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Old 26-08-2012, 18:44   #8
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Re: Sonar Transducer - One Size Fits All ?

Well it turns out that it is an interphase forward facing sonar. I took it apart and there was one loose chip on the board. Plugged it back in and she works a treat. Pretty impressed actually!
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