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Old 09-24-2013, 06:57 PM
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Default Garmin 546s vs 740s

Just bought my first salt water boat yesterday, an '08 Sea Hunt Ultra 232 with an outboard. Came with a busted Garmin 545s that needs replacing. I'm trying to decide between a new 546s (exact same dimensions, probably making install easier/cheaper, as I assume they wouldn't have to adjust the hole in the console) and the 740s (since it's bigger, I'm assuming the installation would be more involved with having to alter the mounting?). I've read up on both, just looking for some opinions between the two systems.

Also, if I'm going to be fishing in 500' of water or less, what's a good transom mount transducer that Garmin makes to go along with either system?

Thanks for the help.

Vic
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Old 09-24-2013, 07:16 PM
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I've had both, or nearly. Mine were non S versions, but I went from a 541 to a 740. I'm assuming you are talking about flush mounting when you mention altering the mounting. If gimball mount, the mounting will be easier. If flush mounted, non only will you have to cut a wider hole, but you'll also have to fill (roughly 1/2") on the top and bottom. I opted to go with a CF dash panel as I already had a CF dash panel for the gauges.

If you want a bolt in, you'll need to get another 54Xs. But the 740 is much nicer. If you can put in the time to fix the hole, you'll be much happier with the 740s.
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Old 09-24-2013, 07:40 PM
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Awesome, thanks a lot man. I appreciate the info.
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Old 09-24-2013, 08:13 PM
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If you go with the 740s then you have the option of adding radar later if you ever choose.

As to the transom mount transducer for that depth...500' and less.

A 4 element 1 kw TM258 is a good option...and the Tm260 is even better.
Using the P66 at 50 kHz as the benchmark:
The Tm258 is 25 times more sensitive..and the Tm260 is 50 times better than the P66.

Make sure whatever you get is a mix and match connector system..that way you can your the same transducer with almost any other sonar manufacture.


Mix and match.
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Link to Electronics SALE..NSS16evo2, NSS9evo2 & NSS7evo2 in stock plus Simrad TM150 / B150 in stock.......:
http://www.thehulltruth.com/parts-fo...now-stock.html


Link to Furuno SALE:
http://www.thehulltruth.com/parts-fo...ml#post6315849


GARMIN UNITS ON SALE>>>
Click on link:
http://www.thehulltruth.com/parts-fo...now-stock.html

Last edited by semperfifishing; 09-25-2013 at 07:57 AM.
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Old 09-25-2013, 03:21 AM
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Thanks for the help Devil Dog. I appreciate it. S/F.
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Old 09-25-2013, 07:14 AM
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Buy the 740S & don't look back! I have two on my 24' Seaway & LOVE them. Give Semperfifishing (Gil) the business. He is one of the best vendors here on THT. At $795.00 it's a steal!
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Old 09-25-2013, 08:35 AM
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X2 for the 740S @ the $795. Great unit at a great price!
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Old 09-25-2013, 09:06 AM
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What about going with a 547xs? It would be a better sonar than the 740s and 546s, and probably fit your hole pretty well (maybe someone has experience with this?). Plus it will be a better sonar than any of your other options. You could also go 527xs with a 740s and have dual screens, or 547xs and 740s if you want two with full maps.
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Old 09-25-2013, 09:08 AM
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Went 546s to save money.... 3 months later sold 546 for muchh less thani paid for it and bought a 740s from Gil... Dont go 546 if you are debvating. it is a fine unit in its correct application but if you can swin the 740s buy it.
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Old 09-25-2013, 09:53 AM
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Quote:
Originally Posted by stiletto View Post
What about going with a 547xs? It would be a better sonar than the 740s and 546s, and probably fit your hole pretty well (maybe someone has experience with this?).
Good idea..
That is certainly a better sonar but the OP wants to use a transom mounted transducer and fishes depths down to 500'.

For the xs series the only transom mount is the Tm150m..it will read bottom well past 500' but for targets I think its limit is about 300'..and then it starts to lose a good bit.

But with a B75 or B175 thru hull the OP would be in great shape..those would be fine for targets down to 500' .
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MARINE ELECTRONICS & TRANSDUCER SALES
PM me here on THT or
travis.g@sbcglobal.net
GiL @ 1 (800) 925-0341
Feel free to contact me for any help & technical assistance or THT memeber pricing on all electronics and transducers.
-----Gil-----




Link to Electronics SALE..NSS16evo2, NSS9evo2 & NSS7evo2 in stock plus Simrad TM150 / B150 in stock.......:
http://www.thehulltruth.com/parts-fo...now-stock.html


Link to Furuno SALE:
http://www.thehulltruth.com/parts-fo...ml#post6315849


GARMIN UNITS ON SALE>>>
Click on link:
http://www.thehulltruth.com/parts-fo...now-stock.html
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Old 09-25-2013, 01:51 PM
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Quote:
Originally Posted by Magnolia Sun View Post
Buy the 740S & don't look back! I have two on my 24' Seaway & LOVE them. Give Semperfifishing (Gil) the business. He is one of the best vendors here on THT. At $795.00 it's a steal!
Actually now they are $785 . shipped ...plus good deals on ducers for them also for THT members.

Plus the new Furuno 1870F combo is now $745. shipped...a major price reduction from Furuno.


Link:
http://www.thehulltruth.com/parts-fo...plus-more.html
__________________


MARINE ELECTRONICS & TRANSDUCER SALES
PM me here on THT or
travis.g@sbcglobal.net
GiL @ 1 (800) 925-0341
Feel free to contact me for any help & technical assistance or THT memeber pricing on all electronics and transducers.
-----Gil-----




Link to Electronics SALE..NSS16evo2, NSS9evo2 & NSS7evo2 in stock plus Simrad TM150 / B150 in stock.......:
http://www.thehulltruth.com/parts-fo...now-stock.html


Link to Furuno SALE:
http://www.thehulltruth.com/parts-fo...ml#post6315849


GARMIN UNITS ON SALE>>>
Click on link:
http://www.thehulltruth.com/parts-fo...now-stock.html

Last edited by semperfifishing; 09-25-2013 at 05:39 PM.
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