Subwoofer Install Tutorial: TONS of pics, none of my buttcrack

[StereoInstaller1]

Bandpass in that tiny trunk? I wouldn't think so....plus woofers that work well in bandpass are hard to find.

[einstein57]

Very true. Last one i liked was the orion extreme.

[StereoInstaller1]

JBL GTi1200 in 4 cubic feet of bandpass...clean and fucking violent.

I also did 2 XTR DVC 12s in 6.5 cubic feet bandpass tuned for LOUD...hit 148db at 52Hz on 88 watts of Autotek. Well, actually half of that because it was a 4 channel running the whole car ('79 Monte)

Would not play ANYTHING below 35Hz, but unbelievably loud above that.

[Sha1234]

after the port tube have been installed in their home in the rear deck, how do you secure them in the box? cause there is nothing worse than port leaking, i just want to know your process of getting them air tight


Tim

[h82crash]

If you have a non-armrest seat, do you need to cut out all of the foam from in front of the woofer? My seat looks perforated but it is not, theyr'e just dimples. I was thinking of cutting a hole in the seat and trimming the opening with vinyl or something. Has anyone done that?

Tom

[StereoInstaller1]

Tim, the ports are a pain in the butt to get in because they are so damn tight.

I use a cardboard tube between the plastic trim port adn the ABS coupler in the box to assure a tight fit.

There is no cardboard available that fits correctly (that I can find, anyway) so I trim both the inside and the outside to make it fit.

Tom, as far as re-working the rear seat....well, I highly recommend finding an armrest, that much I can tell you. I am not an upholsterer, nor do I pretend to be one...no sewing machines here, I can tell you. I am sure that anyone competent in auto upholstery can handle it just fine.

Luke

[Tree18is]

If you look at your picture of the box where you are drilling the hole, down to the lower right of the box there is a "port" looking hole. is that what it is?
if it is why is there two? the ones you made custom in the stock speakers, and the custom box port?

and let me get this straight, there is just front speakers and a 12?
nice!

[AndrewBird]

In that picture, the box is on it's back/side. The hole is one of the ports that go up through the rear shelf.

And yes, front speakers, meaning tweeters and mids, and a 12" sub. That is all you need in an e30.

[StereoInstaller1]

Or, in my case, more than you need.

[blck325is]

So what would be an optimum, cost effective sound setup, assuming one can get a hold of one of Luke's super boxes?

[Turf1600]

So what would be an optimum, cost effective sound setup, assuming one can get a hold of one of Luke's super boxes?

I called up luke and told him what I had to spend - and he sent me the best he could. It included a box, sub, components, tweeters and wiring. I already had a HU.

[StereoInstaller1]

Cost effective? Stock premium sound up front, but using aftermarket 2 way crossovers.

A cheap 4 channel amp with variable crossovers.

A cheap SVC 12" sub, with a Qtc under .5

Fronts speakers run off of half of the 4 channel, the other 2 channels bridged to the subwoofer.

Including deck, you could have great sound for under $600 using my box (about $200 shipped, typically)

[joshuaaa]

just got my box.. its better than christmas..

but luke, is it better to get a armrest back seat? or will i be fine to just keep my current seats?

[StereoInstaller1]

Josh, an armrest is basically the same as tripling the subwoofer power.

If you can, do it. If you can't, do it anyway.

I got mine from an '85 325e, my 87 325is didn't have one. It was shabby, so I got leather paint from Select Products and painted it. Looks great, a year later.

[joshuaaa]

how much did you pay for it so i have a ballpark idea of what to spend? im gonna be sad if i cant find the nice maroon interior to match.