Questions about the midrange, tweeter & crossover

Healey3000 · 01-11-2008, 01:09 PM

Hi,

As a new owner to the E90 (having driven an E34 535 for several years), I, like others, am appalled at the sound quality of the stock US-spec HiFi system. I can't but help compare with the seventeen year old system in my E34 which runs circles around this one.

In that car, each driver was run off a separate power amp, with the active crossover built into the amp. On the E90, if I understand correctly, there are separate power amps for each subwoofer and for each pair of mid/tweeter. If so, where are the passive crossovers for the mid/tweeter located?

Secondly, if any of you have pulled the stock speakers out of your car and still have them, would you consider selling them? My only reason for this is that I would like to measure the dimensions and perhaps also run them through a set of acoustic measurements. Audio is a hobby of mine and I have the necessary equipment. If you are a trusting soul and would allow me to borrow a pair followed by a prompt return, even better.

Are there any drop-in speakers available? Can the grille be pulled off the midranges without having to take the entire panel off?

Thanks in advance for your help.

Regards,
Adnan

AlB · 01-11-2008, 02:15 PM

bavarian sound works will have a drop in system for speakers out soon if not now

http://www.bavariansoundwerks.com/ca...eaker-Packages

Bulldog 6 · 01-12-2008, 11:21 PM

Check crutchfield.com they have replacement speakers for the 07 328i.

scooby9 · 01-14-2008, 05:57 PM

I just finished my speaker install over the weekend. It was not very difficult at all. I put Infiniti Kappa 42.7i in the rear and DLS PS4 components in the front. I am going to install my SWS-8 subwoofers next weekend. I have the Audiocontrol LC6i converter and 2 amps for the speakers and subs. To make the front speaker install much easier, I used these Scosche rings:

http://www.crutchfieldcanada.com/For..._p/142saf4.htm

Overall, the sound quality is soooooo much better now! BTW, I did not have Logic 7.

BTW, the crossover for the mid/tweets is inline with the wiring to the tweeter from the mid. It's just a bass-blocker that's soldered in.

Healey3000 · 01-14-2008, 07:18 PM

Hi,

Kindly check your message box.

Regards,
Adnan

scooby9 · 01-14-2008, 09:48 PM

I replied via email,

Cheers!

Quote:

Originally Posted by Healey3000

Hi,

Kindly check your message box.

Regards,
Adnan

01-11-2008, 01:09 PM	#1
Healey3000 Second Lieutenant 4 Rep 291 Posts Drives: 2008 328i, with 3 pedals Join Date: Jan 2008 Location: San Francisco Bay Area, USA iTrader: (0)	Questions about the midrange, tweeter & crossover Hi, As a new owner to the E90 (having driven an E34 535 for several years), I, like others, am appalled at the sound quality of the stock US-spec HiFi system. I can't but help compare with the seventeen year old system in my E34 which runs circles around this one. In that car, each driver was run off a separate power amp, with the active crossover built into the amp. On the E90, if I understand correctly, there are separate power amps for each subwoofer and for each pair of mid/tweeter. If so, where are the passive crossovers for the mid/tweeter located? Secondly, if any of you have pulled the stock speakers out of your car and still have them, would you consider selling them? My only reason for this is that I would like to measure the dimensions and perhaps also run them through a set of acoustic measurements. Audio is a hobby of mine and I have the necessary equipment. If you are a trusting soul and would allow me to borrow a pair followed by a prompt return, even better. Are there any drop-in speakers available? Can the grille be pulled off the midranges without having to take the entire panel off? Thanks in advance for your help. Regards, Adnan
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01-11-2008, 02:15 PM	#2
AlB Private First Class 11 Rep 194 Posts Drives: 2006 330i MT gry/blk Join Date: Jun 2007 Location: SF iTrader: (1)	bavarian sound works will have a drop in system for speakers out soon if not now http://www.bavariansoundwerks.com/ca...eaker-Packages __________________ 06 330i gry/blk everything but iWreck, nav & pdc carbon splitters, door trim, grill, roof spoiler CDV delete, B&M Short shifter, cyba scoops
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01-12-2008, 11:21 PM	#3
Bulldog 6 The Logistician 73 Rep 799 Posts Drives: 2022 230i M-Sport Join Date: Feb 2007 Location: Richmond, VA iTrader: (0) Garage List 2007 328i E90 [0.00]	Check crutchfield.com they have replacement speakers for the 07 328i.
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01-14-2008, 05:57 PM	#4
scooby9 Major 62 Rep 1,120 Posts Drives: 2007 E90 BMW 335xi Join Date: Jul 2007 Location: Calgary, Alberta, Canada iTrader: (6)	I just finished my speaker install over the weekend. It was not very difficult at all. I put Infiniti Kappa 42.7i in the rear and DLS PS4 components in the front. I am going to install my SWS-8 subwoofers next weekend. I have the Audiocontrol LC6i converter and 2 amps for the speakers and subs. To make the front speaker install much easier, I used these Scosche rings: http://www.crutchfieldcanada.com/For..._p/142saf4.htm Overall, the sound quality is soooooo much better now! BTW, I did not have Logic 7. BTW, the crossover for the mid/tweets is inline with the wiring to the tweeter from the mid. It's just a bass-blocker that's soldered in. __________________ *2007 BMW 335xi 6MT TiAg*
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01-14-2008, 07:18 PM	#5
Healey3000 Second Lieutenant 4 Rep 291 Posts Drives: 2008 328i, with 3 pedals Join Date: Jan 2008 Location: San Francisco Bay Area, USA iTrader: (0)	Thanks a bunch - I PM'd you... Hi, Kindly check your message box. Regards, Adnan
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