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      01-05-2013, 09:06 PM   #1
boogysbmw
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Talking Subwoofer Installed

Installed my New Alpine PDX-M6 with one Alpine SWR-12D4!!!

Amp was rated at 658 RMS so using a Multimeter I tuned the amp to push 37volts at about 3/4 volume.

This thing rocks!! Not overly boomy and the SQ is simple amazing. Such a great addition to the Premium audio system.

Loss very little trunk space.

Here is a installed pic
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      01-16-2013, 07:49 PM   #2
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How much was the total cost and how did you tap into the existing radio to get the signal to the unit? Thanks.
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      01-16-2013, 07:53 PM   #3
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I did it myself. The amp is a Alpine PDX-M12 and that cost me $500. The sub is Alpine Type R 12D4 that cost me $175. Box ran me like $30. So roughly $700.

I used the left and right underseat subwoofer wires for the signal to the amp. I used the power antenna wire for a remote turn on switch. Every thing is right in the trunk so installation was quick, easy, and painless
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      01-17-2013, 11:09 AM   #4
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Why?
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      01-17-2013, 12:56 PM   #5
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DonC.... What is your question? Simply stating Why doesn't ask anything
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      01-17-2013, 03:24 PM   #6
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I have the same question as DonC, why? But I'll make my question a little longer...

IMHO the Professional sound system is perfect with a powerfull enough bass, weren't you satisfied with the standard sound quality?
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      01-18-2013, 09:05 AM   #7
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The premium sound in the x3 is lacking bass. As you turn up the volume the highs drown out the lows. There is no harmony between the lows and highs.

Now with my system, I have the gains set up perfect where the lows match the highs perfectly. It sounds great and of course if i want to to it up alil higher to get some thump (as much as possible from a sealed box that is :P ), i can
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      01-18-2013, 04:55 PM   #8
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Thanks for the motivation. I am putting in a JL audio 600W (XD6001) with a JL Audio 12" sub (12W3v34). using the LC2i 2 channel line output and a subwoofer control module (to increase or decrease sub volume). Thanks for the motivation. Will post pictures and reaction when i'm done.
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      01-18-2013, 05:17 PM   #9
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threadjacking....

i got the hifi option 12 speakers option for my car.

assuming $1000 budget here in Canada, what are my options?? BSW still hasn't release X3 version yet
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      01-18-2013, 05:44 PM   #10
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Just seems a little rice on a 50K + BMW...
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      01-18-2013, 07:54 PM   #11
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Quote:
Originally Posted by DonC
Just seems a little rice on a 50K + BMW...
Lol rice..what a knee slapper. I dont drive my car for status, I drive a BMW because they are great cars. Putting a quality sub and amp as clean as I installed it is far from reaching rice status. My x3 isn't rattling when it comes down the street. All the musical joy stays within the cabin
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      01-18-2013, 09:10 PM   #12
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threadjacking....

i got the hifi option 12 speakers option for my car.

assuming $1000 budget here in Canada, what are my options?? BSW still hasn't release X3 version yet
you have no options besides going straight custom. It takes alot of work and more than $1000 budget to reconfigure the stock hifi to a premium sound. There is a topic here on the forums of what somebody else did in your situation
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      01-18-2013, 10:14 PM   #13
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To each their own. Do what you want with your X. You're paying for it.
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      01-19-2013, 11:38 AM   #14
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I agree, it's your car...
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      04-03-2013, 06:36 PM   #15
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I'm trying to do the same thing with mine (was actually looking at Alpine also). How did you get power off of the battery, did you just use the screw-nut positive terminal or were you able to locate a clip to go into the battery safety device? I've tried googling every combination possible for the name of the battery clip but can't seem to find any..
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      04-05-2013, 06:18 PM   #16
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I screwed the amp power wire to the screw on the positive battery terminal
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      04-13-2013, 12:54 PM   #17
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Quote:
Originally Posted by boogysbmw View Post
I used the left and right underseat subwoofer wires for the signal to the amp. I used the power antenna wire for a remote turn on switch. Every thing is right in the trunk so installation was quick, easy, and painless
In the middle of my own install (lol..) - did you happen to have the wiring diagram you could share for this? I.e. what color pair these and the antenna wire are.
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      04-13-2013, 01:24 PM   #18
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go here for antenna lead

http://x3.xbimmers.com/forums/showthread.php?t=735758
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      04-14-2013, 06:14 PM   #19
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Thanks guys, great help. I'll post the pictures of my install.
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      04-15-2013, 03:56 PM   #20
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Quote:
Originally Posted by cfw
Thanks guys, great help. I'll post the pictures of my install.
Dude, you have to help me out in getting your same enclosure with a 12" opening
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