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      07-19-2020, 10:50 AM   #23
Qsilver7
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Originally Posted by howe9191 View Post
For 2012 F13 677 Hifi professional system, the speakers are actually harman? If not, are they having same number of speakers 16 ?
To answer the questions again but in another way where you can verify for yourself...go to one of the online part database sites and pull up the audio/speaker diagrams. You will see the various options listed (ie 676/677/688/6F2...which is the plain non DSP, early HiFi w/DSP, HK system, and B&O system)...then take note of the item numbers in each diagram and note that the 677 & 688 systems (early HK & late HK) have the same part nbrs for each of the speaker diagrams.

If you’re not familiar with any of the online part database sites..here’s a direct link to the speaker diagrams using a F13 640i as the example car used to pull up the nine diagrams...a couple minutes of your time will give you the answer you seek as well as assurance as to what has been said is accurate. : https://bimmercat.com/bmw/en/search/...MW+640i/USA/65
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      07-21-2020, 02:54 AM   #24
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Quote:
Originally Posted by Qsilver7 View Post
To answer the questions again but in another way where you can verify for yourself...go to one of the online part database sites and pull up the audio/speaker diagrams. You will see the various options listed (ie 676/677/688/6F2...which is the plain non DSP, early HiFi w/DSP, HK system, and B&O system)...then take note of the item numbers in each diagram and note that the 677 & 688 systems (early HK & late HK) have the same part nbrs for each of the speaker diagrams.

If you’re not familiar with any of the online part database sites..here’s a direct link to the speaker diagrams using a F13 640i as the example car used to pull up the nine diagrams...a couple minutes of your time will give you the answer you seek as well as assurance as to what has been said is accurate. : https://bimmercat.com/bmw/en/search/...MW+640i/USA/65

Thanks bro for the info.

But it doesnt have the EQ adjustment feature compare to later Harman Kerdon version. Or maybe we can code it?
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      07-22-2020, 10:37 AM   #25
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Quote:
Originally Posted by howe9191 View Post
Thanks bro for the info.

But it doesnt have the EQ adjustment feature compare to later Harman Kerdon version. Or maybe we can code it?
I'd have to check the difference...but from my fuzzy memory...the EQ selection is the same for both. My 2013 F06 has the CIC iDrive & "un-named" HK system and it has an EQ w/surround sound selection. My 2014 F15 X5 has the HK system...and the NBT iDrive which has the same EQ selection with a check box for surround sound, too.


EDIT: I found some images in my pic stash of the CIC/iDrive's EQ selections and the EQ selections are the same...the wording is a little bit different on the latter NBT version...but the difference is miniscule:

{CIC/iDrive "un-named" HK EQ/surround sound selections}






{NBT/iDrive HK EQ/surround sound selections}



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Last edited by Qsilver7; 07-22-2020 at 10:51 AM..
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