Custom Sub Install for all you S14 guys out there- take a look! DIY!

[97ka-t]

(This was originally more detailed, but it ended up being deleted because of a popup, so I had to create a shortened version.. Sorry guys!)Hey guys, I haven't really posted anything to help out my fellow S14 owners, so I figured why not now. Now this isn't going to help you shift faster, boost higher, or weigh less- but I thought that this was a nifty little design to make use of that space that is directly under your rear 6 1/2" speakers. Anyways- on with the DIY sub enclosure!

Materials Needed:MDF Board- the dimensions are designed for 3/4" MDF, can be purchased at any local hardware store for around $20-$25 a sheet. Electric DrillDrill BitsPhilips Head Bit1" Wood Screws8" Subwoofer (I used a Polk.. Personally, I'd recommend JL Audio or Eclipse)Silicone Caulking Gun

If you trust your local hardware store's wood cutting skills, you can tell them the following dimensions:

Dimensions Qty15" x 10" 211.5 x 6.75" 215" x 6.75" 2

Put the pieces of wood together- I put the screws 1" or 2" apart, depending on which piece of wood I was drilling.

You now have a nice box assembled, get out the silicone and caulking gun and fill all the cracks. At this juncture, get a beverage of your choice, and a snack of course. Wait till dry.

The hardest part is to make the circle for your 8" sub.App. 4 1/2" in on the wide side, and 2" in on the short side. That should be the outer edges of the circle.You can use your method of drilling for this, sawzall, hack saw, whatever you want, just make sure your sub fits snugly.

As far as wiring goes, I just drilled a small hole and stuffed 12 gauge wire through it, and put a little silicone over it.

You can choose to carpet over it or not, I just left it plain MDF, hard to see when mounted anyways.

This sub will clear the trunk and everything. It fits perfectly, and still leaves enough room for it to hit hard without the sub itself hitting anything!

I know the sub may be putting some pressure out over the 6 1/2" speakers, but it should not significantly distort or affect the SQ.

Anyways, there ya have it- a secret, concealed sub, that will produce enough bass for any type of music you want to listen to! I'd suggest powering it with some type of amp that has an output of maybe 125RMS at most. Besides the 8W7 , not too many 8"s can comfortably handle more than that anyways.

I'll post some pics if you'd like- please feel free to ask any questions. Thanks again!


Modified by 97ka-t at 10:10 PM 7/28/2005

[PoorManQ45]

Pictures?

Also, about the JL audio and Eclipse recommendation. I wouldn't recommend either of those. JL is good, but their stuff costs more then twice what it should. Eclipse is great in terms of SQ, the sensitivity is absolutely horrible. I'm talking 79dB 1w/1m in the enclosure

I would recommend polk audio. They have some excellent products that arn't too overpriced

[97ka-t]

JL's SQ and SPL is great- if you eBay it, it's not too pricey.Eclipse is a great sub for SQ, like you said.My Polk is the "Momo" edition- not much to brag about..

zerothread?id=128413The post for all the info/pics