inverted sub behind driver's seat
 

I saw a post a few months ago with an inverted sub installed behind the driver's seat. I searched, but I can't find that post. I had this same idea a while back. I'd like to know how it sounds from the owner of that car.

My question:
What is the volume of the area behind the driver's seat if I fiberglassed an enclosure back there to put in an inverted sub? (I am saying inverted because I don't think there is enough volume to have the sub front-firing and still have enough volume for it to sound good)

I want to install a Diamond Audio D6 10" and it needs about .87 ft^3 sealed as per Diamond Audio, I actually want to have the final volume around .95 ft^3. Is this cavity behind the seat going to be enough?

Do some searching. This has been discussed before.

I did in fact search and there are no specific answers to my question. And you are correct that it has been discussed before, but the closest I got was from a member who installed a front-firing Peerless sub and said he "thinks" it was "around .7 ft^3"; was this before or after sub displacement?, plus the baffle on his enclosure looks to be sunken in a bit which will reduce volume of the enclosure. That answer was not good enough for me.

I was hoping someone has already gotten an accurate measurement of the internal volume before any sub was installed. Perhaps Nazar, who makes a box for this compartment. I have emailed him from the WickedCAS site as well as PM'd him from this site over a month ago, but have received no answer.

Now, I know I can fiberglass a mold of the inside of the compartment and use some styrofoam peanuts and calculate the volume on my own, but I was asking to see if anybody already knew the answer to my question.

Why not just take a few mins and measure it yourself?

Well it would take more than a couple minutes and it would be messy, i would need to tape it all off and fiberglass it, let that cure and then find some styrofoam peanuts and a container that I know the volume of and fill the mold with the peanuts.

I will do that if nobody has an answer for me. Silly me for thinking someone might have actually created an enclosure and remembered the exact volume before sub displacement.

And once I know the volume, I will be sure to post it here for anyone to see in a search.

I hope you're a short guy. You'll be losing at least 6 inches of leg room when you have to pull the seat forward to compensate for the sub basket sticking out.

Mounting Depth/Diameter: 5.6 in. / 9.2 in.

http://www.diamondaudio.com/products...hSubmit=SEARCH

Inverted will put the woofer's magnet some 6-7" into the cabin ... if you're of a normal height you'll find that the seat is going to be all the way up against the steering wheel which will make operating the vechicle difficult.

Most subwoofers are designed for pretty small cabinets between 0.5 and 0.8. I think you'd get that much volume inside the area behind the driver's seat without much difficulty. I would guess that there's 2-3 cubic feet worth of space in there if you can grab all of it.

You don't have to make a box in it in order to take some measurements.

Even though it's a guess, that is the kind of answer I was looking for. If there really is that much, I can recess the inverted sub a few inches so my seat is not pushed all the way up to the steering wheel. If there was only .7 ft^3 as stated in another post, I was going to scrap the idea for that exact reason.

But since there is still no definite answer, I will still conduct my own measuring. I was just trying NOT to reinvent the wheel if this was a known measured area.

Thanks all for your replies.

The 10" D6 you're planning to use displaces .08 cubic feet. If you recess the baffle even 1", you've negated any internal volume gained by inverting the sub. If you're determined to mount your sub there, don't invert it.

By the way, Diamond Audio suggests .625 cubic feet sealed or 1.25 cubic feet ported for their D6 10" sub.

http://i6.photobucket.com/albums/y21...plifiers07.jpg

Just a SWAG but I figure 24 inchs across, about 18 deep and possibly 10-11 inches high. That's 4320 cu.in. or about 2.5 cubic feet - possibly more.

Paul350Z, thanks for that pic.....that explains it with the plastic panel off.....I didn't think that it was that deep or wide inside there. That changes my whole outlook. I was going based on another post that said the sub enclosure built was .7 cu ft and a shallow sub was chosen because a deep sub wouldn't fit. I assumed this was due to a limitation of room and wanted to know how close i could come to the desired .95 cu ft. Now I know I have no problem achieving that AND I can mount the sub front-firing. You have been very helpful. Thank you.

Looks like you've got what you wanted to hear but something like this might work if someone were determined to invert the sub.

http://www.pioneerelectronics.com/pn...564759,00.html

just get a free air subwoofer like Infinity's subs and you will be good.
I'm thinking of this set up because I want to have more space.