sub box behind seat?
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New User
Joined: Aug 2003
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sub box behind seat?
I was just wondering if anyone has succesfully bought or built a sub box for a 1992-1996 ford regular cab pickup that allowed the seat to go all the way back. If so what were the mesurments/where did you by it. Thanks for any help.
Tuned
Joined: Nov 2002
Posts: 395
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sub box behind seat?
Cut yourself a piece of cardboard in a wedge shape, about 3 3/4" on top and 7 1/4" at the bottom. I think those were the measurements I used to fit 3 10" JL Audio W-0's. The speakers with grills stick out about another 1/4" from the box. You can leave the seat back and reach in to see if the wedge fits. It is easy to trim the cardboard, you may want to start with 8 inches on the bottom but I think I ended up with 7 1/4. You can take the wedge with you to the stereo shop and hold it up to the speakers you are looking at buying to see if they will clear. I also removed the carpet on the back of my cab where the box would be, that gave me another 1/2 inch of space.
Elder User
Joined: Jul 2003
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From: TEXAS!!!!!!!!!!!!
sub box behind seat?
cardboard or partical board?
How do the subs behind the seat of a regual cabseat sound?
I am thinking of getting a 12 and i am afraid it will sound muffled because the seat will absorb all the sound.
How do the subs behind the seat of a regual cabseat sound?
I am thinking of getting a 12 and i am afraid it will sound muffled because the seat will absorb all the sound.
Tuned
Joined: Nov 2002
Posts: 395
Likes: 11
sub box behind seat?
I used cardboard to do all the test fitting. After that was done and everything looked good I made a box out of 5/8's MDF not particle board, and kept it to the outer dimensions of the cardboard test box.
I got my first box sizes from the stereo shop. They usually have custom boxes, I picked the speakers I wanted and asked to look at the smallest box they had, I measured the box to see how big it needed to be. You can make up for any loss in height and depth with width. The space behind the seat is wide so you can gain air space going wider.
I got my first box sizes from the stereo shop. They usually have custom boxes, I picked the speakers I wanted and asked to look at the smallest box they had, I measured the box to see how big it needed to be. You can make up for any loss in height and depth with width. The space behind the seat is wide so you can gain air space going wider.
Freshman User
Joined: Aug 2003
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sub box behind seat?
Don't worry about it sounding muffled- worry about getting enough internal volume in the box- don't forget to subtract the speaker diplacement...and use interior dimensions for air volume calculations...
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Posting Guru
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sub box behind seat?
Dimensions for a dual ten sub for alpine type R 10 inchers:
15 height x 49 Length or width X 6 top depth and a 7-1/4 bottom depth. The alpines require about 0.8cubic feet of air space each and the mounting depth at the top is about 6 to 6-1/4.
That is the box I have now that is made out of 3/4mdf and fiberglass overlay in my 1992 Ford F-150 regular cab pickup. Really nice box. He is awesome at building boxes out of mdf and fiberglass like you see you in custom stereo setups for audio companies like Alpine!!!
Give this guy an email and you will be amazed at his art for a cheap price: Kevin Geary - kgeary@wakescene.com
I figured this information might help a few fellows here in the audio forum.
))
15 height x 49 Length or width X 6 top depth and a 7-1/4 bottom depth. The alpines require about 0.8cubic feet of air space each and the mounting depth at the top is about 6 to 6-1/4.
That is the box I have now that is made out of 3/4mdf and fiberglass overlay in my 1992 Ford F-150 regular cab pickup. Really nice box. He is awesome at building boxes out of mdf and fiberglass like you see you in custom stereo setups for audio companies like Alpine!!!
Give this guy an email and you will be amazed at his art for a cheap price: Kevin Geary - kgeary@wakescene.com
I figured this information might help a few fellows here in the audio forum.
))
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Tuned
Joined: Nov 2002
Posts: 395
Likes: 11
sub box behind seat?
Your regular cab must have way more room behind the seat when the seat is all the way back! I only have about 3 and 3/4's inches behind my seat when it is all the way back if I measure 15 inches up from the floor. I have about 8" at the bottom.
Tuned
Joined: Nov 2002
Posts: 395
Likes: 11
sub box behind seat?
My box dimensions were 15 3/4" tall, 3 3/4" wide at the top, 7 1/2" wide at the bottom, 48 3/4" wide. My cab has a 1/2" deep grove in the back where the sound deadening fit in that was glued on the back of the carpet. The indentation is about 15 3/4" tall so I made the box fit in that, the 2 plastic trim panels were 48 3/4" apart so the box fit snug in between them. I cut the carpet off and tucked it in between the top of the box and that indentation. The total internal volume when put together is 2.2 cubic feet without the speakers, the 3 10's share the entire encloser so they are kind of tricked into thinking they each have about 2 cu/ft of box space to play in. I am totally happy with the outcome, it pounds hard and goes low. In a truck cab I would take 3 10's over 2 12's anyday.
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Joined: Mar 2003
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sub box behind seat?
Thanks a lot for those dimensions, I've been looking to put a nice box in my truck for a while. In the meantime I"ve just had to settle for a 10 in a single truck box (just not cutting it). Thanks again.
