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BMW 3-Series (E90 E92) Forum
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DIY: e90 Base Stereo Upgrade Project - Detailed installation instructions with photos
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09-30-2014, 12:35 PM | #45 | ||
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09-30-2014, 01:40 PM | #46 | |
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I am still confused selecting the proper subwoofer Ohm value. As per the specs of the XD600/1v2, the maximum power of 600w is achieved at 2 Ohm load. I need to understand the dual coil technology, i know that they are technically two separate coils for better performance and for providing different loading options. What i am confused about is the term "Dual coil 2 Ohm", does this mean there are two 2-Ohms coils, or two coils sums 2 Ohms in parallel? In my case do i need 4-Ohm or 2-Ohm sub? |
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09-30-2014, 03:36 PM | #47 | ||
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Mobridge DA2 > JBL MS-8 > ARC XDi 600/4 > JBL Gti 408 Mids & Vifa OT19 Tweeters; PG Ti2 1600.5 > Morel HCW-10 & IDMax 15
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09-30-2014, 05:08 PM | #48 | |
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http://www.focal.com/en/index.php?co...ttachment=3941
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Last edited by gte460z; 09-30-2014 at 05:13 PM.. |
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09-30-2014, 05:53 PM | #49 | |
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I will say this, I can never say that a given speaker X can't hit this high or low again. My own install was a lesson learned there. I didn't think a bunch of 6.5's could shake my car, but surprisingly, when pushed, it'll do it. |
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10-02-2014, 06:04 PM | #50 |
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Any one used a product of or contacted wickedcas.com?
I am trying to reach them for 4 days with no response! Any other suggestions for a corner enclosure supplier? |
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10-02-2014, 06:18 PM | #51 |
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Try:
http://www.bavauto.com/shop.asp I haven't ordered anything from there yet, but I've been referred there a few times... I'm guessing they're selling wickedcas' enclosures on their site... |
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10-03-2014, 12:03 PM | #52 | |
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Thanks a lot. |
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10-03-2014, 01:35 PM | #53 | |
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So with the three 10" woofers as mentioned above, you should probably have to think about reducing the enclosure volume in order to get the subs the ideal amount of air space. Like I said though, the 10W6 did not work for me, so In would not recommend it in this application (and of course also not the W3 or W1 versions). The 12" and 13" options they have will NOT work well with the given air space, and there is nothing you can do to fix that. The only fix is to find another sub that is better matched with the 0.85 cf.
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Mobridge DA2 > JBL MS-8 > ARC XDi 600/4 > JBL Gti 408 Mids & Vifa OT19 Tweeters; PG Ti2 1600.5 > Morel HCW-10 & IDMax 15
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10-03-2014, 01:47 PM | #54 | |
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I was planning to buy only the enclosure from them with 12" opening, and order IDQ12V3.D4 elsewhere. As per the specs the IDQ12 it requires 1.0 cf. Is this a close match? |
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10-03-2014, 02:23 PM | #55 |
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Not knowing the box, and not having experience with that sub, what I say next might not hold water;
The volume is definitely off, however, you could probably put polyfill into it to pseudo expand the volume. (it just slows the soundwaves in the box some so it acts as if the volume is bigger) |
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10-03-2014, 02:54 PM | #56 |
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The IDQ works great in that enclosure. Polyfill is a good tip.
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Mobridge DA2 > JBL MS-8 > ARC XDi 600/4 > JBL Gti 408 Mids & Vifa OT19 Tweeters; PG Ti2 1600.5 > Morel HCW-10 & IDMax 15
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10-03-2014, 09:23 PM | #57 | |
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10-03-2014, 10:08 PM | #61 |
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10-06-2014, 12:41 AM | #62 |
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Hi guys,
In order to squeeze the subwoofer system cost, i had to look into having the Alpine type R SWR-12D4 instead of the IDQ12. Thanks to kaigoss69. The IDQ12 is actually double the price of the alpine! I also found it better fit for the 0.85 cu ft enclose. As per the specs it is best operated in 0.75 to 1.0 cu ft sealed enclosure. Any comments? |
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07-14-2015, 04:17 AM | #65 |
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Just ha a read of the PDF this really is excellent, one question though it has obviously been done on a saloon model, will I be able to do this on a e93?
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audio, base stereo, diy, installation, upgrade |
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