Sub position in enclosure

[cyclogenisis]

Hi guys. I'm trying to put a 15" DC level 5 in my trunk. I have a real small trunk and trunk opening to put the box into. I'm wondering if I make an enclosure and put the sub pointed upward if it would really reduce the effectiveness rather than having it pointed to the back or front of the car? Here is a picture of the 'would be' enclosure:

Second question: If I did a 12" instead of a 15" would i lose a ton of dbs? This would be running of a DC 3.5K.

P.s. I'm new at this and not sure if it would also matter what side the port exit is.

[Robert8252]

It all depends on the car. Yes, generally a 15 will be louder because there is more cone area. As far as sub direction and port direction. Some have great luck with sub up and some don't. Same with port, you will have to try and see what happens. I'm still a fan of sub and port back in a trunk but never got to test sub up or to the side.

[_paralyzed_]

Every car is different. Every enclosure is different. You have to try different positions to find out the best, if your box only fits one way, then you need to build multiple boxes to test.

I would say generally I've had the best luck with sub and port facing the back. Sub up tends to produce a ton of trunk rattle.

As long as you can build the box large enough for the 15", the 15" will be louder. If you have to compromise box size, don't. A 12" in a proper box will sound better than a 15" in too small of a box.

[Joe X]

Sub up = trunk lid rattle, and much worse with a high output sub. Think carefully what you are going to do. Best post what vehicle is it amd max dimensions for a box and then you can get more accurate feedback.

[cyclogenisis]

Facing upward would be the only way to fit the 15" in my trunk. Unfortunately the opening in my trunk is only 17" and I couldnt fit a box into my trunk that is higher than 15" once we consider the length of the box. I'm driving an accord '08 coupe. Would i just be better off going with a 12" level 5 pointed to the rear or cabin then ?

Also I'm not sure if anyone really answered my second question. Should the exit of the port on an enclosure be on the same side as the sub or can it be on a different side?

Max dimension with the above diagram is: 21" wide, 14" height, 32" long

can also sacrifice 6" on length to gain 1" of height to fit box into trunk.

Would it be possible to build an enclosure in the trunk so i wouldn't have to worry about trying to get it in the tiny a** opening.

[twisted1]

That's a large trunk compared to sport cars. I'm up firing hdc4 15 on 4k in mustang gt. Sound deadner helps alot

[philrab]

Facing upward would be the only way to fit the 15" in my trunk. Unfortunately the opening in my trunk is only 17" and I couldnt fit a box into my trunk that is higher than 15" once we consider the length of the box. I'm driving an accord '08 coupe. Would i just be better off going with a 12" level 5 pointed to the rear or cabin then ?

Also I'm not sure if anyone really answered my second question. Should the exit of the port on an enclosure be on the same side as the sub or can it be on a different side?

Max dimension with the above diagram is: 21" wide, 14" height, 32" long

can also sacrifice 6" on length to gain 1" of height to fit box into trunk.

Would it be possible to build an enclosure in the trunk so i wouldn't have to worry about trying to get it in the tiny a** opening.

Goddamned wheel wells and strut towers are killing you in that trunk man, and the size of the trunk opening.

Just a thought, but have you thought of building a narrower enclosure longer and seeing if you can load it from inside the cabin through the fold down rear seats? I mean, maybe I can't see it from the pic, but trying to figure out how to get some more airspace in there.

Not sure how you'd work it out with the spare tire (other than a AAA membership and praying) but all those curves and odd shapes looks ripe for a fiberglass enclosure.

[cyclogenisis]

That's a large trunk compared to sport cars. I'm up firing hdc4 15 on 4k in mustang gt. Sound deadner helps alot

Yeah, how is it pointed upwards? you still feeling that sub well?

And I can't put the box through the car and in via back seat opening. the opening is extremely small.. 15" tall. So I can;t do that if I make a box for the sub facing the rear. I'm smashing my head against the wall trying to figure this out. I can't even do 12's side by side.... >:| . I'd rather not buy a sub and find out it sounds like shit facing upward lol

I might be forced to do 2 10's...

[philrab]

That's a large trunk compared to sport cars. I'm up firing hdc4 15 on 4k in mustang gt. Sound deadner helps alot

Yeah, how is it pointed upwards? you still feeling that sub well?

And I can't put the box through the car and in via back seat opening. the opening is extremely small.. 15" tall. So I can;t do that if I make a box for the sub facing the rear. I'm smashing my head against the wall trying to figure this out. I can't even do 12's side by side.... >:| . I'd rather not buy a sub and find out it sounds like shit facing upward lol

I might be forced to do 2 10's...

Could build a bigger enclosure if you assembled it inside the trunk. Good luck if you get a flat. That, or wall behind the back seats and deaden/seal the trunk to act as your enclosure.

I know in talking crazy all around, but trying to think outside the box.

[cyclogenisis]

Already came up with building it inside the trunk, this seems like the only way, issue is getting the sub in as im doing the build... and when I do the front baffle the sub would have to already be in the opening and braced straight as glue drys. Lol, I have no issue doing this and I have a CAA membership, dont even need my spare. IF something happens to the sub though I'd have to destroy the box just to get it out =_=