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Best Transducer for Swordfishing

Old 02-18-2020, 06:56 PM
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Default Best Transducer for Swordfishing

I currently have a B175Hw that doesnt mark bottom too well. I have the simrad evo3 and am looking for a good transducer to mark bottom and pick up fish. I know a 3kw is my best option just want to get more advice before i pull the trigger. Would also like to be able to mark tile.fish and bait better at deeper.locations? Any advice would be great?

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Old 02-18-2020, 08:07 PM
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How deep do you want to mark fish?.....and what size boat?

Old 02-18-2020, 08:13 PM
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I fishin between 1200-2000' for them. I have a 28' express
Old 02-18-2020, 08:27 PM
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The 2 kw in hull R111LM......for a 3 kw...R599LM
I think the 2 kw will work just fine at those depths.
To fire it you will need a S5100 sounder black box.
Old 02-18-2020, 08:36 PM
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Shew $5500 for the pair is a tough.one. i understand that this is the best tho
Old 02-19-2020, 01:49 AM
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You will be fine if you install a B175L low band chirp transducer, A Low and HW transducer is what most pelagic fisherman recommend, B175L can see down to 2000 feet driven by NSS EVO3 but not expect same performance as a more powerful S5100 black box with a 2-3KW transducer.
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Old 02-19-2020, 04:54 AM
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I use the 2kw PM111LHW and it works really well.
Old 02-20-2020, 09:19 AM
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If you fish them 3-4 times a month the investment is worth it. if less than a handfull of times a year, save your money.
Old 02-20-2020, 09:38 AM
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Probably a dozen to two dozen times a year. Brian, which would you go with
Old 02-20-2020, 10:41 AM
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BL175L is a 1KW transducer, i thought the NSS EVO3 could only drive a 600KW Ducer
Old 02-20-2020, 11:35 AM
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Originally Posted by ddombrowski View Post
Probably a dozen to two dozen times a year. Brian, which would you go with
Go all in.
Old 02-20-2020, 12:39 PM
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Originally Posted by InternationalMarineBrian View Post
Go all in.
On a boat 28ft to 40ft all in would typically be a pairing of Airmar R599 LH and a Airmar B175HW correct?

I can't see a fairing working on a 28ft boat that does over 30 knots and a pocket mount would be tough to find that much area to glass the unit in correctly with access. I know the engineers love fetting the face of a ducer in the water but even on my 40 Cabo that would req major sacrifices in other areas and potential issues that the fairing could cause.
Old 02-20-2020, 01:19 PM
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I have both a 3kw with a Furuno cv295 and a b265 powered by an evo3. I like the returns of the simrad better.... I don't mark individual fish on btm (perhaps I could on Furuno but i am usually on the rod and cant tune it while fishing, it also is not chirp, but not sure that matters?). the simrad easily marks btm at those depths and has great returns on bait/btm. I would stick with the 1 kw for price and function. I am sure you will see what you are looking for......
Old 02-20-2020, 01:28 PM
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Old 09-15-2020, 03:23 PM
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I recommend a b 175 L ... For use with the fixed frequency of 40 kHz
Old 09-22-2020, 01:48 AM
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Originally Posted by busanga View Post
BL175L is a 1KW transducer, i thought the NSS EVO3 could only drive a 600KW Ducer
it has a max output of 1KW, transducer dependent it will drive a B175 at 1000w
Old 09-22-2020, 04:58 AM
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Would the B275L powered with the S5100 be able to mark fish well that deep? I may have some issues with the size of the R111L for the space and configuration i currently have
Old 09-22-2020, 09:42 AM
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During the 24-hour cycle, the deep layer performs a vertical migration. DSL was discovered during the second world war. It was thought to be a reflection of ultrasonic waves on the bottom. In the following years, other scientific studies discovered DSL. After this short parenthesis, I answer your question my friend. The photo of the screen of the published fish finder is made with low chirp. Because I was on a friend's boat with a magnificent airmar b275lhw transducer. Individual frequencies are best suited for deep penetration. Because the ultrasonic pulse works differently at single frequency. The photo was taken around 9:00 pm. Migration to the DSL surface had already begun. I decided to work at low chirp because when you move the DSL you have to have the highest possible definition. Taking advantage also of the "lateral lobes" generated by the transducer. The frequencies that best highlight the DSl are 38 - 70 - 120 kHz. swordfish fishing is closely linked to the identification of the Deep scatter layer...
None of these frequencies are available with the airmar b275lhw transducer. I decided to use low chirp to have two frequencies (42-65 kHz) very close to the famous 38-70 KHz simultaneously.
This image was created thanks to the airmar b275lhw transducer. this transducer works in its low chirp sector with a frequency modulation from 42 kHz to 65 khz. It should be remembered that the ideal frequency to identify the DSl in depth is 38 kHz ... therefore in this specific case we will always have to use the frequency closest to it.
Fishfinder passion from italy 😉

Last edited by Mexican Gulf; 09-23-2020 at 03:40 AM.

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