Infinite Baffle and/or ported for front trunk


adulbrich

Lock up your daughters!
5,000+ posts
May 11, 2014
14,022
2
Ames, Iowa
Hey, I got my XS D3100 yesterday and am about to start on my box.

I have a 1986 Pontiac Fiero. It was my first car and I love it, but has been difficult to put subs in. I recently removed the dash, AC, spare tire, jack, and heater. The front trunk is now empty except for the brake cylinder that I cannot remove/relocate. I'll post pictures in a few minutes.

There is a large hole between the front trunk and cabin area. I was considering a few different options:

1. Make a ported box. This would be extremely difficult and time consuming because the space is odly shaped. I would also have to use an external aeroport.

2. Put a baffel where the dash was, leaving the back open to the trunk. This would be the easiest option and I have heard a lot about the sound quality of IB.

3. I think this is a new idea, so I'm not sure it would work... Make an infinite baffel setup and port it with 6" PVC. I could change the length of the pipe inside the trunk and add elbow joints. If I went this way, i would buy a car kit of Q-mat and sound deaden the trunk.

For this build I'll be using my Sundown X-10 powered by my Visonik v4000xd (same board as MA HK4000D). I will be upgrading to two Z4 12's or Ermagerd 12's in about a month or so. I'd really not like to build another box for them.

If you have any IB experience or thoughts on my options, I'd appreciate your help. Thanks!

 

adulbrich

Lock up your daughters!
5,000+ posts
May 11, 2014
14,022
2
Ames, Iowa
  • Thread Starter Thread Starter
  • #2






 

350zspl

CarAudio.com Veteran
10+ year member
Mar 30, 2008
4,241
10
WPB Florida
remove passenger seat and built a box where the seat was

or

just put in a really good head unit , wiring , battery , 4 channel amp , and have some really nice kick panels made with 8" in them

do 6.5 " in the doors

1" tweets in the a pillar

call it day

 

350zspl

CarAudio.com Veteran
10+ year member
Mar 30, 2008
4,241
10
WPB Florida
or build a center console and put the sub sealed where the glove box is

 

adulbrich

Lock up your daughters!
5,000+ posts
May 11, 2014
14,022
2
Ames, Iowa
  • Thread Starter Thread Starter
  • #5
remove passenger seat and built a box where the seat was
or

just put in a really good head unit , wiring , battery , 4 channel amp , and have some really nice kick panels made with 8" in them

do 6.5 " in the doors

1" tweets in the a pillar

call it day
I am getting 6.5's, tweets, and a 4 channel amp later. I think my headunit is pretty good. I had an SA 8 V2 in a ported box, but it wasn't loud enough.

I used to have a 15 in a ported box on the passenger side. It was loud, but I wanted to be able to have a passenger, so I took it out.

I know you're really knowlegable, but I really want the most bass I can get out of this car.

 

350zspl

CarAudio.com Veteran
10+ year member
Mar 30, 2008
4,241
10
WPB Florida
I did google Pontiac Fiero subwoofer boxes

when the results came up I chose images

there was some cool stuff to draw ideas from

try it if you have not already

I am not a fan of a sub woofer in front of me

so I think the center console removal and re-build would be the direction I would go

maybe 1 really nice 10" that works sealed , and toss 1500 watts at it

and just build up the front stage

 

adulbrich

Lock up your daughters!
5,000+ posts
May 11, 2014
14,022
2
Ames, Iowa
  • Thread Starter Thread Starter
  • #7
I did google Pontiac Fiero subwoofer boxes
when the results came up I chose images

there was some cool stuff to draw ideas from

try it if you have not already

I am not a fan of a sub woofer in front of me

so I think the center console removal and re-build would be the direction I would go

maybe 1 really nice 10" that works sealed , and toss 1500 watts at it

and just build up the front stage
My first build was two type R 10's in a sealed box between the seats where the center console was.

 

adulbrich

Lock up your daughters!
5,000+ posts
May 11, 2014
14,022
2
Ames, Iowa
  • Thread Starter Thread Starter
  • #8
Bump, planning to start on box tomorrow...

 

adulbrich

Lock up your daughters!
5,000+ posts
May 11, 2014
14,022
2
Ames, Iowa
  • Thread Starter Thread Starter
  • #9
I'd like to do it tomorrow. Nobody has done an infinite baffle???

 

adulbrich

Lock up your daughters!
5,000+ posts
May 11, 2014
14,022
2
Ames, Iowa
  • Thread Starter Thread Starter
  • #10
Last bump before I start on my baffle. Any suggestions for an IB build?

 

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