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From: Los Angeles, CA.... I know a guy who has a Lambo with Corvette doors
I don't have that setup, but if it's a real subwoofer, it shouldn't make much difference. The reason: The real low frequencies are not heard by your ear, they are felt by your whole body.
We at www.corvettepartitions.com have made a couple for customers that have a few holes in them prior to upholstering to allow some sound to pass through. This does in fact effect the usefulness of a partition as far as sound deadening, but does still allow for seperation of cabin and trunk.
I have both. I was almost afraid to buy the partition as I already had a sub. In the end I was ready to sell the sub if it made that much difference. I put the partition in and the sub still sounds great. I have a Infinity Kappa Perfect 12.1d. Not quite as loud as before but it still sounds a lot better than without the sub.
Does anyone have a partition in addition to a good subwoofer in the back? Does the partition interfere greatly with the subwoofer sound quality?
One of my first decisions was to install a special partition I made from 1/2 inch sound board. Sound board is much ligher and more effective than fiber board. The change was amazing. Before the partition it sounded like my hatch was open at times whereas after there was little coming through from the rear. But the music from my Bose speakers was muffled with not much highs and lows. So I added Eclipse 6" 2-way speakers front and back with an Eclipse 4 chnl 200 watt amp. This gave me crystal clear highs and easy power, but did not do much for the bass. Then I added a 10" Eclipse subwoofer. Installing the subwoofer gave me the music the way I was used to hearing it in my home. I am convinced that the subwoofer does its job in spite of the partition. None of what I installed above is what might be called high end equipment, just major improvements over the Bose. They were not able to add the Alpine CHAS 634 changer without changing the Bose player so I have the Alpine CDA 7998 as the front unit. In the small space these improvements are on a par with my home unit, but they were not cheap.
If you are still worried about the partition and the subwoofer just spend one morning and make your own partition for about $40. Whittling down a piece of cardboard to fit the space is the only tricky part, but if you make a mistake just staple more cardboard onto the area. Then get a 4' x 8' 1/4" piece of sound board and fit two sections together to make your 1/2" partition. Visit a local fabric store and pick out some plush material to fit your interior design. Unless you get fake fur it is inexpensive. Lay the partition on the fabric on the floor and cut the bottom fabric so that there is a 1/2 inch allowance to fold over the edges of your partition. Then fold the upper part of the fabric over the top of the sound board and cut it to match the partition. Get carpet thread and an appropriate sewing needle from the fabric store and get directions for sewing the cover on, about 10 to 12 inches at a time. Anything plush will easily hide your stitches as you sew the cover on your sound board. Just make sure that the fabric is a tight fit when you sew which is easy to do. The plush material helps insure a snug fit, but I still needed velcro to keep the partition in place and it has not worked itself loose yet. You can staple the fabric onto the sound board if your fit is too loose, but my cover was tight as is. The plush fabric hides the staples if you use them.
I recently heard of a solid partition on the forum selling for $150, but anything over this is overpriced in my opinion. If I can make one for $40 then $150 seems fair compensation to a commercial dealer.