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L7 With Earthquake SW-8’s Questions
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11-05-2008, 04:28 PM | #1 |
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L7 With Earthquake SW-8’s Questions
I have a ’07 335i with the L7 audio system and I have a few questions. I am looking for some additional bass, and after reading many posts, it looks like the Earthquake SWS-8’s are my best bet. Here are my questions:
1. Do they add any bass if you do not add an additional amplifier? 2. Is it worth ($ vs. what you get out of it when finished) installing the SWS-8’s without an additional amplifier? 3. Does one order the 2 or 4 ohm versions? 4. Where can one find the best price on these sub-woofers? Any responses and or suggestions would be greatly appreciated. |
11-05-2008, 07:41 PM | #2 |
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L7 systems run 4 ohms to the subs.
I get my 2 next week, but i have a professional system (basic one) and it runs 2 ohms to the subs. So, I bought the 2 ohm version. I'll let you know how much better it sounds after I install them. I dont plan on adding an amp to begin with. I bought mine at http://www.caraudiocraze.com/. They seem to have the cheapest price. Even have a coupon code for a discount. (e90post).
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2007 328i (01/07 Production)
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11-05-2008, 08:11 PM | #3 |
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I put earthquake 8's in with the stock amp. There was no more bass than there was with stock subs. It actually was probably a little less. You need an amp.
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11-06-2008, 03:13 PM | #4 |
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11-06-2008, 03:31 PM | #5 |
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Let me ask you this. I bought the 2 ohm version and im hoping it does something for my stock professional system. Did you test those or the 4 ohm?
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2007 328i (01/07 Production)
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11-06-2008, 06:02 PM | #6 |
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I actually noticed a difference in sound quality and I haven't hooked up my new amp yet. You can hear different tones out of them rather than just just the mud from the factory ones.
I'm really happy with them just off the factory amp(no logic 7) and can't wait to put some power to them. It changed the whole sound of the car by adding them - the first day I was blown away when I turned it up. |
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11-06-2008, 06:05 PM | #7 |
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11-06-2008, 08:34 PM | #8 |
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There is a thread w/ the code in it. I searched for SWS-8 and found it yesterday.
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11-07-2008, 12:00 AM | #9 |
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11-07-2008, 10:31 AM | #10 |
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11-07-2008, 02:16 PM | #11 |
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Just installed mine. Sounds better, but if your looking for the BOOM, BOOM thing, it doesnt give you that. Took about 2 hours. I ordered an amp to power them and I'll decide next week whether I should install it or not.
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11-08-2008, 02:12 AM | #12 |
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hmm, so the lows (bass) is not really noticeable compared to stock??
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11-08-2008, 12:23 PM | #13 | |
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Quote:
Im not looking to rattle or annoy people, so i picked up a Rockford Fosgate P200-2. Im gonna run it at 200W x 1 @ 4-Ohms bridged RMS. This amp is really small and I'm hoping to do a stealth install somehow. Since the SWS-8 is rated for 300 I should be well within its limits. Only thing im concerned about is the clearance above the subs. The stock grill and carpet worry me. Gonna have to check on those after i power the subs with the amp.
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11-08-2008, 10:27 PM | #14 | |
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Do you have the L7 sound in your car? I have L7 and I've read like 20 different things on this forum. Some say you cant add an amp to L7, then I see a DIY/amp install and somebody has completed an add on amp w/ SWS upgrade. Same with the L7 'theory'...some say 'if you have premium you'll have L7' but thats not true. I have the center speaker and 2 under seat subs and speakers in teh rear hatches and doors....but I dont have premium. I believe 07-08 335s all came with L7 standard as it wasnt an option for my car either. BMW professional vs BMW business.....all too confusing... |
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11-08-2008, 10:58 PM | #15 | |
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For the types of OEM sound systems look here: |
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11-08-2008, 11:14 PM | #16 |
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^^great thanks as always. Ive searched and read many pages in the audio section on this forum and all your posts are very knowledgeable and insightful... was a huge audiophile back from 1995-2002 but have fallen off teh map. I actually started out reading car audio & electronics magazine when I was 15 and spent my first 1k on a system (a sealed JL enclosure with 2JL10W0s). I also had an RF amp I bought from bestbuy (where i worked). although I have done many installs, things have really changed from those days. I remember back then a HU with a 2V was the shiet...now thats like unheard of..
lol, brings back memories.... I always wanted a soundstream tarantula is that company still around?? Soundstream and Orion... |
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11-08-2008, 11:25 PM | #17 |
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My system is NOT L7. Its my understanding that L7 has a digital connection from the HU to the amp. I could be wrong.
Have a look at this post: http://www.e90post.com/forums/showthread.php?t=138949 Pretty good information there on wiring.
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