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-   -   6.5" Subs in rear deck (http://forum.e46fanatics.com/showthread.php?t=940189)

albarran9 08-22-2012 02:24 PM

6.5" Subs in rear deck
 
I'm looking to place some CDT M6 drivers (or similar) in the rear speaker locations. Dose anyone have them installed? I'm looking to add some bass to the rear, but not looking to take the trunk because I need it. I know it's not going to sound like a 12" in a box, but figured better than nothing. My biggest concern is the magnet width and depth. I don't have the HK sub's in my car, just the two holes for the stock mids. I already applied some sound-deadning to the bottom shelf of the rear deck inside the trunk.

The_Don 08-22-2012 02:35 PM

I put CDT 6.5 inch woofers in the rear shelf. I had to do a little trimming to accommodate even those. The depth wasn't really an issue and would be fairly easy to overcome, it had more to do with the width of the top opening relative to the speaker mounting points. With some pre-fitting and a little trimming you should be able to get your speakers to mount properly.
Another consideration will be the space requirements between the stock speaker grill and the top of the speaker- rubber surrounds, woofer movement, etc. I JUST had enough room for my speakers without having to adapt the mounting depth for this clearance.
Good luck, and I am curious to how it all works out for you. Keep us posted.

albarran9 08-22-2012 08:56 PM

What model of CDT woofers did you use? I was thinking of making some MDF rings and stacking a couple of them to mount the woofer to the sheet metal under the speaker grills and not the actual deck. If I can just drop the in with some 6.5 adapter rings like the stock speakers, that would be awesome. I've seen some 12' and 8' subs in the rear deck when I was searching the forums, but I'd rather not cut holes in the rear deck.

N4NOOK 08-23-2012 01:41 AM

why not make up a new rear deck (easy to do) and go with some 8's like sundown, they like to get low for an 8

sfcjetjr 10-02-2012 09:30 PM

I put in Kicker 6.5 subs in the rear, cut out the bottom of the stock enclosure on the bottom and added passive crossovers. Sounded really good! But tonight am in the middle of adding a 400 amp to them. Mounted subs in stock location. Have done a lot of setup experiments. The 6.5 Kickers can handle the extra power. Will have to experiment with amps built in crossovers to get perfect balance from front to rear but still providing the thump. Will thump but I don't think it will boom boom. I don't care for the over the top boom boom of huge enclosures that take away from true sound of something, or taking up my truck space. From the head unit I run the stock tweeters, and the 6.5 kicker ds65' s in the doors. Then upgraded from the 3 inch mids in the doors to 4.5"'s. had to mod the doors for the 4.5's. but look great and sound awesome. The only thing that was a little work was the 6.5 in the rear. Had to remove basket from mount, then attach 6.5's to them to use stock bolt holes. Plenty of room from top of speaker and cone from grills.

sfcjetjr 10-02-2012 09:36 PM

My buddy did the 8 thing to the bottom of the deck and ran 800 to them. Had to glue down grills over the hole where the 6.5's were. Just used the trunk as the enclosure. Plus some expand foam to fill in space between deck and package shelf to stop vibrations.

RichReg 10-04-2012 09:40 PM

Quote:

Originally Posted by albarran9 (Post 14672732)
What model of CDT woofers did you use? I was thinking of making some MDF rings and stacking a couple of them to mount the woofer to the sheet metal under the speaker grills and not the actual deck. If I can just drop the in with some 6.5 adapter rings like the stock speakers, that would be awesome.

I just installed these:
http://www.woofersetc.com/p-10525-cl...aker-pair.aspx

..and they sound great. A nice match for the stock system because they have a 2 Ohm version option. If you
don't want to pony up for BSW speakers, these are the way to go. Mounting depth is fine....I used brackets from here:

http://www.car-speaker-adapters.com/

sfcjetjr 10-05-2012 07:19 AM

After a day with the amp installed I did not like it. Took it out and went back to HU with the passive crossovers. Sticking with that. The crossovers came from a set of Memphis audio component set I believe they are crossed at 1500 and below.


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