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Old 02-17-2012, 03:24 AM
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Question Transducer advice for Simrad NSS

I just installed a Simrad NSS8 (which is SWEET!!) in a Maritime Skiff 20 Defiant. Now I'm trying to figure out what transducer to use. The specs say the NSS7/8 have a broadband sounder with 250w max but a Simrad rep at a West Marine told me it was actually the full BSM-1

The easiest (and least expensive) option would be a P66 on the transom but I wanted to see if I should consider something else.

I guess I should say that it will be used around New England and I don't have much experience using a FF.

Thanks in advance!
Josh
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Old 02-17-2012, 05:05 AM
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Around NE the P66 is ideal.
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Old 02-17-2012, 06:15 AM
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Boathik .......

Jim is spot on I have a NSS8 .... the P66 will suit your needs.

Here's what it looks like installed.

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Old 02-17-2012, 06:53 AM
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Have the NSS12 and the P66 works great.
Love the Simrad!!
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Old 02-17-2012, 08:55 PM
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Quote:
Originally Posted by boathik View Post
The easiest (and least expensive) option would be a P66 on the transom but I wanted to see if I should consider something else.

Josh
If as you wanted to learn about options beside the P66....look into the thru the hull B60.

About $70. more than the P66.
Not hard to install in most hull types.

Same element paramaters but of a higher build quality as it is brass vs plastic.
But there is an an advantage in that it it is running in cleaner water and Airmar states it has an advantage in that regard.
You have spent good money on a quality system ...not a bad idea to top it off a little higher quality transducer.
You get what you pay for with transducers.


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Old 02-17-2012, 09:17 PM
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A thru-hull transducer is not really advisable in a foam filled boat with a sealed deck.
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Old 02-17-2012, 09:22 PM
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Right..I missed the boat type.

Best to avoid this...lol
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Old 02-19-2012, 04:11 AM
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Quote:
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A thru-hull transducer is not really advisable in a foam filled boat with a sealed deck.
My 20 Defiant had a bilge area with a pump. I asked Maritime Skiff and they gave me measurements for a suitable location.

I guess one thing i was wondering is is it is worth the extra money and expense to put in a through-hull or maybe even an in-hull. Would the NSS's built in sounder be taking full advantage of the better transducer?

Thanks again!
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Old 02-19-2012, 06:29 AM
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Any FF will benefit from a "Better" transducer because of the added senstivity. The three ducers you are comparing are all identical in performance. In other words, they have the exact same guts, literally. So just figure out which mounting opton suits you the best. Sounds to me like any of the thre will work. With the in-hull P79 you'll lose about 30% of your range but not any sensitivity. It should work great at al speeds. With the transom mount you won't lose anything but you do have something hanging off your transom and if it is mounted wrong it will not work well at higher speeds. The B60 is very forgiving with how it is mounted and should work well at any speed.
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Old 02-19-2012, 08:53 AM
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NSS & B60 is a very good allround combination.
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Old 03-29-2012, 02:13 AM
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I ended up going with the 12 B60.

Installing it was a PITA because I couldn't get both arms into the bilge area to hold the ducer and turn the nut. As soon as the nut encountered the 4200 the ducer would spin. I had to pull it out, clean up the big mess and regroup. I figured out that if I taped the handles of some channel locks and wedged them against the transom I could then spin the nut on.... but I also used way less goop. No leaks!
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Old 03-29-2012, 06:14 AM
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Looks good ..........
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Old 03-29-2012, 08:17 AM
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Same combo (NSS8 + B60) for me and I am very happy with it.

I had owned Furuno FCV 620 + P66 in the past (old boat), and although the thru-hull is possibly a more difficult install, it is actually easier to get it right, imho. For me, the performance at speed is night and day (mostly likely due to P66 install error but I was never able to figure it out).
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Old 04-18-2012, 08:46 AM
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Boathik, can I get the location Maritime suggested you mount the thru hull on your 20D. The dimensions must be x forward of the transom and y from the keal. And I guess the 12 degree is best based on the deadrise.
thanks
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Old 11-11-2014, 03:00 PM
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what about the TM150M transducer for the NSS7? I was suggested this.

I will be boating in Long Island/ Great south bay and new England with a 23 ft center console.

What will be the better transducer?
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Old 11-11-2014, 03:05 PM
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Is your NSS7 an evo2? If not, then the Tm 150M is a waste.

You have dug up an old thread. The NSS7s at the time were not CHIRP capable. The new NSS7s are.
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Old 11-11-2014, 03:13 PM
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Quote:
Originally Posted by capecodder86 View Post
what about the TM150M transducer for the NSS7? I was suggested this.

I will be boating in Long Island/ Great south bay and new England with a 23 ft center console.

What will be the better transducer?
This post is for old NSS7, you are talking Evo2. The TM150M will do well.
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Old 11-11-2014, 08:44 PM
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I am talking about the old nss7. So the p66 will do me well?

What is chirp?
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Old 11-11-2014, 08:52 PM
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Quote:
Originally Posted by capecodder86 View Post
I am talking about the old nss7. So the p66 will do me well?

What is chirp?
CHIRP is a different way to do sonar. It provides increased target resolution and deeper performance. The Evo2 has a built in CHIRP sonar. The TM150M is a CHIRP transducer, so I would probably go with the P66 if you have the old NSS7. Someone might have thought you were referring to the new NSS7 when they recommended the TM150M.
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Old 11-11-2014, 09:32 PM
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Quote:
Originally Posted by capecodder86 View Post
I am talking about the old nss7. So the p66 will do me well?

What is chirp?


"CHIRP ?.. ....isn't that what we do?"

"No,...CHIRP is a very sophisticated sonar technology available for use by the fishing and boating public. The word itself is an acronym for Compressed High-Intensity Radiated Pulse."

"Oh..."


................................

From Garmin:



Standard Sonar
Standard sonar sends 1 single frequency at a time. Since the only feedback is from this 1 single frequency, there is little information to work with, limiting the clarity and resolution available with standard sonar.





CHIRP Sonar
Instead of sending just 1 single frequency, CHIRP sends a continuous sweep of frequencies ranging from low to high. CHIRP sonar technology then interprets frequencies individually upon their return. Since this continuous sweep of frequencies provides CHIRP with a much wider range of information, CHIRP sonar is able to create a much clearer, higher resolution image.




Improved target resolution enables you to differentiate between big fish and tight clusters of baitfish.






CHIRP doubles the power put on the target.



Improved target resolution enables you to actually see individual baitfish separately.
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Last edited by semperfifishing; 11-11-2014 at 11:22 PM.
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