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      01-01-2019, 07:59 PM   #1
mweisdorfer
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BMW Individual Audio front Speakers Question

I know that the original set up with the BMW IA front speakers are run with active cross overs.

However, I am wondering do you need them if you have a JBL MS 8, which sets the cross overs, and an amp which has additional cross overs....

I would think you don't, but I am just double checking.

Please advise......
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      01-01-2019, 08:39 PM   #2
ctuna
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No active systems made by BMW.
No real crossovers between the tweeters and 4inch doors either.
They basicly have and inline capacitor for a crossover.
If you want active you have to run another set of speaker wires.
Maybe the B and O never discussed here but not even the Individual
system has active.

Active means separate channels for each speaker even the tweeters.
Who invented this semi active term I seem to see now.
Diamond Speakers was the first I saw using it.
If you say the underseats are on a seperate channel well OK
but it kind of muddys the waters

BMW stereo types
http://www.e90post.com/forums/showthread.php?t=352586
http://www.e90post.com/forums/attach...2&d=1266451970
http://www.e90post.com/forums/attach...2&d=1260829447
http://www.e90post.com/forums/showthread.php?t=343673
http://www.e90post.com/forums/showthread.php?t=138949
http://www.e90post.com/forums/attach...1&d=1209780605
http://www.e90post.com/forums/attach...1&d=1209780865
http://www.e90post.com/forums/showthread.php?t=641323
http://bmwcoders.com/forum/3-er-8/bm...1-e92-e93-291/
http://technicpnp.com/menuDiagrams/d...e90_92_93.html
http://www.musicarnw.com/page-2/
http://www.e90post.com/forums/attach...3&d=1169133185
http://www.e90post.com/forums/attach...4&d=1278871872

Last edited by ctuna; 01-01-2019 at 08:50 PM..
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      01-01-2019, 10:02 PM   #3
david in germany
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The IA system does have a crossover in line with the highs and mids but it is not active as mentioned. If you want to run them on the ms8 you will need the crossover or run an additional wire for them and use 4 channels from the ms8 for the door speakers.
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      01-02-2019, 12:54 AM   #4
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Quote:
Originally Posted by david in germany View Post
The IA system does have a crossover in line with the highs and mids but it is not active as mentioned. If you want to run them on the ms8 you will need the crossover or run an additional wire for them and use 4 channels from the ms8 for the door speakers.
Ok. Yep. Sounds like I probably need to two of those then.

Thanks for the clarification.
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      01-02-2019, 12:29 PM   #5
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Quote:
Originally Posted by ctuna View Post
No active systems made by BMW.
No real crossovers between the tweeters and 4inch doors either.
They basicly have and inline capacitor for a crossover.
If you want active you have to run another set of speaker wires.
Maybe the B and O never discussed here but not even the Individual
system has active.

Active means separate channels for each speaker even the tweeters.
Who invented this semi active term I seem to see now.
Diamond Speakers was the first I saw using it.
If you say the underseats are on a seperate channel well OK
but it kind of muddys the waters

BMW stereo types
http://www.e90post.com/forums/showthread.php?t=352586
http://www.e90post.com/forums/attach...8;d=1266451970
http://www.e90post.com/forums/attach...8;d=1260829447
http://www.e90post.com/forums/showthread.php?t=343673
http://www.e90post.com/forums/showthread.php?t=138949
http://www.e90post.com/forums/attach...8;d=1209780605
http://www.e90post.com/forums/attach...8;d=1209780865
http://www.e90post.com/forums/showthread.php?t=641323
http://bmwcoders.com/forum/3-er-8/bm...1-e92-e93-291/
http://technicpnp.com/menuDiagrams/d...e90_92_93.html
http://www.musicarnw.com/page-2/
http://www.e90post.com/forums/attach...8;d=1169133185
http://www.e90post.com/forums/attach...8;d=1278871872
Ok. My mistake. It does sound like I need to get them if I want to run BMW IA door mids, which I do. I'll probably need to get at least a four channel amp too, is my guess. The MS 8 doesn't have a whole lot of power. I would be happy with 60-75watts a channel. It's a small car; probably 50watts a Channel would work to be honest.
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      01-02-2019, 07:41 PM   #6
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Quote:
Originally Posted by mweisdorfer View Post
Ok. My mistake. It does sound like I need to get them if I want to run BMW IA door mids, which I do. I'll probably need to get at least a four channel amp too, is my guess. The MS 8 doesn't have a whole lot of power. I would be happy with 60-75watts a channel. It's a small car; probably 50watts a Channel would work to be honest.
If you want to run them active, you'll need 4 channels for the doors alone. Also, you'll need to visit your nearest car audio shop to run a set of speaker wires to the doors ($$). If you go the active route, the IA speakers are NOT what you want. You'll need aftermarket components, like Morel Hybrids or Audiofrogs, or you can piece together some drivers DIY style, which I don't recommend unless you have experience with that. Also, the number of Watts you run does not necessarily determine how loud things will get. I know from personal experience that the L7 components will "scream" with MS-8 power (30W per channel at 2 ohm), while some aftermarket components will barely fart at 50 Watts, so more watts is not always better.
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      01-02-2019, 09:01 PM   #7
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Quote:
Originally Posted by kaigoss69 View Post
Quote:
Originally Posted by mweisdorfer View Post
Ok. My mistake. It does sound like I need to get them if I want to run BMW IA door mids, which I do. I'll probably need to get at least a four channel amp too, is my guess. The MS 8 doesn't have a whole lot of power. I would be happy with 60-75watts a channel. It's a small car; probably 50watts a Channel would work to be honest.
If you want to run them active, you'll need 4 channels for the doors alone. Also, you'll need to visit your nearest car audio shop to run a set of speaker wires to the doors ($$). If you go the active route, the IA speakers are NOT what you want. You'll need aftermarket components, like Morel Hybrids or Audiofrogs, or you can piece together some drivers DIY style, which I don't recommend unless you have experience with that. Also, the number of Watts you run does not necessarily determine how loud things will get. I know from personal experience that the L7 components will "scream" with MS-8 power (30W per channel at 2 ohm), while some aftermarket components will barely fart at 50 Watts, so more watts is not always better.
Quote:
Originally Posted by kaigoss69 View Post
Quote:
Originally Posted by mweisdorfer View Post
Ok. My mistake. It does sound like I need to get them if I want to run BMW IA door mids, which I do. I'll probably need to get at least a four channel amp too, is my guess. The MS 8 doesn't have a whole lot of power. I would be happy with 60-75watts a channel. It's a small car; probably 50watts a Channel would work to be honest.
If you want to run them active, you'll need 4 channels for the doors alone. Also, you'll need to visit your nearest car audio shop to run a set of speaker wires to the doors ($$). If you go the active route, the IA speakers are NOT what you want. You'll need aftermarket components, like Morel Hybrids or Audiofrogs, or you can piece together some drivers DIY style, which I don't recommend unless you have experience with that. Also, the number of Watts you run does not necessarily determine how loud things will get. I know from personal experience that the L7 components will "scream" with MS-8 power (30W per channel at 2 ohm), while some aftermarket components will barely fart at 50 Watts, so more watts is not always better.
Ok. I can get the BMW IA's for $100.00
(2 speakers). All I would need to get is the special cross over boxes, which I can get at FCP for another $100.00. So, if I do that will I still need 4 channels or can I just run 2 like I am now....???

Didn't Technique run the BMW IA in his front doors and center channel with his JBL-MS 8?

With the Dynavin/ JBL MS-8 set up, you really have to turn it up past 75%, in order to get decent sound. What I mean by that is you don't hear the mid base coming from the door speakers and the subs don't really engage until you push them

When I did the sweeps, I had my amp basically turned off, and the HU's volume was turned all the way down. I just used -20db on the JBL MS-8.

It just feels like the front stage needs something. Yes, it's clear and sounds amazing, but I shouldn't have to turn it up past 75% to get that either.

I am thinking of buying 2 of the JBL 6004, which would give 8 channels. I already have a JBL 6002 running the subs.

I agree with you on it's not the amount of Watts, it's the clarity & quality of the Watts you have & the space you are projecting into. That's why I'm looking at 60 Watts a channel vs 100 plus Watts a channel.

I like the class D amp, and I like the amp has MOSFET. I've always been a JBL fan. When I worked back stage as a chef many-years ago at the palace & pone knob, 8/10 the Audio Equipment used was JBL.

Right now the amps are only $112 each.
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      01-02-2019, 10:23 PM   #8
david in germany
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The door speakers are not going to give you any mid bass. If I remember correctly, the JBL built 3 series that won the the national car audio finals had the under seat woofers running up to 250hz and the mids in the doors took the frequencies over 250hz.
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