Subwoofer for 210

[cedarcreek216]

I agree with David, as the speaker continues to get broken in, I am more impressed with not only the volume of the sub but more so the range of the 8". I will add more vent area this winter as there is a significant difference when I either pop the seat up or open the access door in the walkway. Could not be happier with the solution and most of all the lack of space I had to give up.


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[David Analog]

scarbs,
I have also done a down-firing slim-line 13.5" sub under those same conditions. It was very good but not outstanding considering the size of the sub. A slim-line sub is inherently a little less sensitive with a little less excursion. Down-firing also reduces the radiating surface area which is costly to bass energy. All issues that would never be exposed in an enclosed vehicle cabin.

In that same space, using the JL Audio 8W3 in a side-firing bass-reflex enclosure would be impressive, and surprising for an 8". Using two 8W3s would be even better. Standard deep architecture sub drivers are preferred in open air use.

[scarbs]

I decided to go a completely different route. Like David expected, there was not enough room to get a proper enclosure in the void under the steering wheel. I still did not want to give up much storage so we went with a 8" Treo sub with a 1000 watt Treo amp in a ported enclosure tucked in the very front of the storage under the passenger seat. It sounds incredible, particularly for an 8". The installer wanted to louvre the access door for more venting but knew I was not hot on that idea so did the vent right in front of the sub and port. I will end up adding more vent surface at some point as it is a little restricted with the current vent surface area.

With all the restrictions I put in them, I could not be happier with the outcome.




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This looks like an awesome solution. I did something similar, but with a JL Audio 13tw5. But I have been curious about how the 8" subs would do in there ever since my son put an 8" JL ported sub in his truck that is incredible.

[Guntersville230]

Honestly, not only for stereo purposes but also for airflow and ventilation, nautique should vent under the seats like this under all the cockpit storage areas in my opinion.....seem like it would help when things need to dry out?!

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[cedarcreek216]

The original vent location was the access panel in the walk through, but he knew I was not excited about the integrity of the hatch door once chopped up and as David mentioned, we all though the chosen location was best for performance. If I add more, it will be in the same location but just around the bend.


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[David Analog]

Yes, you can add more vent surface area, and that's a good thing to do, however, you cannot beat of the location of the first, best, and existing vent location. It's low against the sole and focused directly into the cockpit listening area. I think it could be expanded a bit, be a bit more open and acoustically transparent, but I like the location. Just around the corner, facing starboard, and aft of the pass-thru would be my choice for a second vent. Small, but still low and within the context of the cockpit area.

[markj]

Have you tried opening that huge access door in the walk through to see the effects of that?

[cedarcreek216]

Yes, I have zero regrets having spent the money. Will be even better if/when I add more vent area.


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[Guntersville230]

True, I guess the main question would be is it SIGNIFICANTLY better than the stock sub?

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[cedarcreek216]

Not sure a video will do a whole lot to indicate the low range sound other than just sound weird. The cost can of course vary depending on equipment. I think the equipment total with box was about $1500. I won't be around the boat until next weekend for a video. One thing I will do eventually, as mentioned above, is add more vent area.


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[Guntersville230]

Can u post a video? If u dont mind me asking what was cost just for equipment (sub, box, amp)?

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[cedarcreek216]

I decided to go a completely different route. Like David expected, there was not enough room to get a proper enclosure in the void under the steering wheel. I still did not want to give up much storage so we went with a 8" Treo sub with a 1000 watt Treo amp in a ported enclosure tucked in the very front of the storage under the passenger seat. It sounds incredible, particularly for an 8". The installer wanted to louvre the access door for more venting but knew I was not hot on that idea so did the vent right in front of the sub and port. I will end up adding more vent surface at some point as it is a little restricted with the current vent surface area.

With all the restrictions I put in them, I could not be happier with the outcome.




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[David Analog]

Can't say. Even backing up to a compound angle, it looks possible with a creative build.
What worries me most is that I have seen way too many examples of when the sub box and bass-reflex port is modified in order to fit the boat and without the technician having a clue as to what consequences those changes make. Once a sub box is tucked inside the helm cavity, as a consumer, you never get to see what was done to make it fit. Smaller box? Shorter/smaller port? Less material thickness? So the correct way to proceed is once the boat is partially disassembled you assess what you have and make the best resulting selection at that time and not until that time. You know that a 12" bass-reflex is not an option. You know that a 10" bass-reflex will be a larger enclosure than a sealed 12" or two sealed 10". Stubbornly forcing one scheme into an application is not the way to go. I know I trust Joe with Earmark Marine to be conscientious, always do the right thing, and have the technical aptitude to make the right selection to match the application.

[cedarcreek216]

I wasn't aware that you would have adequate depth out front of the driver's helm console. However, if so, that is by far your best SQ avenue, especially if the sub(s) would be mounted a bit low and angled downward a bit into a little open space below. If you have the available depth, this could be done with some loss of legroom but without any loss of foot room depth.
With the JL Audio 10W6 subwoofer you could run two 10" subs sealed in acoustic suspension (optimized in net 0.5 cu.ft. per) in a smaller enclosure than a single 10" bass reflex. Double the surface area, smaller enclosure, and far more of a precision bass driver. Nothing sounds cleaner than more sub driver surface area not having to create as much excursion to produce the same output.
Direct radiation, versus concealed in a compartment, means a more linear response, no loss of output consumed by the compartment, faster with no phase delay, a far more seamless integration with the cockpit coaxial satellites and better midbass articulation, and more.....'IF' it will fit and is made to look good.

I know it's next to impossible to determine anything from a photo, not know measurements, but here is a photo of the area under the steering wheel. I'm 6'-2" and my legs fully extended barely touch the angled wall in front of the drain.

My though would be to do a sealed enclosure and have the bottom of the box bridge the depressed area for the drain which would give me foot space like you mentioned. You think there's enough room there?


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[David Analog]

I wasn't aware that you would have adequate depth out front of the driver's helm console. However, if so, that is by far your best SQ avenue, especially if the sub(s) would be mounted a bit low and angled downward a bit into a little open space below. If you have the available depth, this could be done with some loss of legroom but without any loss of foot room depth.
With the JL Audio 10W6 subwoofer you could run two 10" subs sealed in acoustic suspension (optimized in net 0.5 cu.ft. per) in a smaller enclosure than a single 10" bass reflex. Double the surface area, smaller enclosure, and far more of a precision bass driver. Nothing sounds cleaner than more sub driver surface area not having to create as much excursion to produce the same output.
Direct radiation, versus concealed in a compartment, means a more linear response, no loss of output consumed by the compartment, faster with no phase delay, a far more seamless integration with the cockpit coaxial satellites and better midbass articulation, and more.....'IF' it will fit and is made to look good.