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Originally Posted by baitkiller
Thank you so much for responding David.
The boat has seen some heavy mods'
There is a glass over wood rear seat assembly that will have the two 8s in its face firing fwd, basically through or at the passengers calves. Plenty of space in there until it gets filled with stuff. The space is shared, should it be separated?
I also ran a bolster board full length with a tear drop just behind the two fwd seats that goes to deck level. This is where the 6.5s will go. It is all open behind the boards and they will be firing cross cabin. Its all 1/2 marine ply with fiberglass front and back.
Infinite baffle? Does that mean box them in for a given area?
Salt water use.
John
Thank you again, I know most are interested in big dollar loud systems. I appreciate your input.
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John,
No need to partition between the two 8-inch coaxials in such a large space. Filling the space as in 'packed completely full' will indeed affect the bass performance. With those speakers essentailly against the sole, that will be okay when and if the bench seat console is ever over loaded with storage.
'Infinte baffle' means an expansive enclosure similar to what you would have in a car trunk or car door or large boat coaming cavity.
The larger the better. You do not want to box them in.....unless this is the only means available to create front to rear isolation. You do not want the front radiation of the speaker to meet the rear radiation within several feet away from the speaker. The front and rear speaker air motion is polar opposite. If F & R are allowed to meet within a close proximity, you cancel bass, lose power handling, reduce output, and defeat damping which affects sound quality even into the midrange. This was my main concern in a vintage boat. If you need to introduce better front to rear acoustic isolation for the forward speakers, then fabricating rough partitions would be more effective than totally boxing the speakers in. You don't need absolute perfect air tight isolation via the partitions, especially if the space behind the speaker is large, just reasonably good F to R separation.