dombi wrote

I wrote up a smaller guide on how to do phase adjustment.

https://www.diymobileaudio.com/posts/6349044/

dombi

Mag_Ice_DL wrote

Thanks, dombi! When you had a phase issue with your midrange door speakers, did you hear you have an issue or it's not audible? Do you no if there any any phase issues without impulse response measurements?

Do you no if there any any phase issues without impulse response measurements?

Mag_Ice_DL wrote

I was experimented with XO's and shelf filters a lot. Always ended up with my initial feeling for my ears: less EQ -> better, more natural sound. Mids and highs seems to be more forgiving in this contexts. Thus, I ended up with some gap at around 150-160Hz.
I got to idea to try different door speakers. Was looking at Helix Ci3 and BLAM Relax. Due to various reasons ended up with BLAM Relax BM100. I was surprised that even raw (with no EQs at all) their sound was pleasing. These play louder (+5..+8dB) compared to HiFi stock ones. In the region of 150Hz these are +10dB. Attached is raw frequency response of the driver side mid + tweeter compared to stock ones.

m440i804 wrote

Are the Blams you have the Signature addition?

Mag_Ice_DL wrote

What do you mean? When you do sweeps in REW for example, you get both data: IR and phase. So you can check both.

dombi

dombi

Mag_Ice_DL wrote

dombi, I saw your long going post at diyma forum https://www.diymobileaudio.com/threads/bmw-eqing-factory-harman-full-range-speakers-crossover-question-24-48db.466540/page-5?post_id=6350713&nested_view=1&sortby=oldest#post-6350713

I presume, you have iDrive7 with RAM as I do. I thought it might be some settings in RAM from stock what interfere with other things in DSP while we tune. I started to experiment with everything I can possible do. The best sound for my ears was when kept y EQ and XO, switched off TA completely and activated RealCenter under FX menu. It doesn't look like proper SQ setup, but that sounds so good so I have it now as a default settings.
Maybe you should try that too...

dombi wrote

@Mag_Ice_DL

Yes. iDrive 7 here.
My tune is complete. I am not touching it.

Theruleslawyer wrote

Here are a couple tunes I did with my 8dsp. All tuned with a calibrated mic.

Focal 0db hifi mids.afpx

Setup-
Front doors: Focal inside component- 0bd cross over
Front center:Focal inside
Rear doors: Focal inside
Underseat subs: hifi
Subwoofer: none

Type: Driver optimized


Focal 0db hifi mids JL 12tw3 sub.afpx

Setup-
Front doors: Focal inside component- 0bd cross over
Front center:Focal inside
Rear doors: Focal inside
Underseat subs: hifi
Subwoofer: JL 12tw3 in rear underfloor area in JL box.

Type: Driver optimized

I have a couple older ones kicking around that I did with the stock speakers, but I didn't have a mic for them, so the tune is pretty basic.

Greekstyle wrote

Do any of these tunes have DLC enabled? Hifi bass at lower volumes is amped up by default. I find the bass too boomy at low volumes especially after my 12" shallow sub was installed.

Greekstyle wrote

Do any of these tunes have DLC enabled? Hifi bass at lower volumes is amped up by default. I find the bass too boomy at low volumes especially after my 12" shallow sub was installed.

dombi wrote

Do you have a DSP? And if you do, did you any tuning to your system?
Boomy bass can be caused by number of things. Most are tuning related.

Greekstyle wrote

I have Bimmertech amp (matchup8 bmw) and started with a tune they sent. With help of some members of G20 forum I modified to get better results. Only thing missing is to eliminate what I feel is higher than normal bass at lower volumes. As I increase volume the bass barely changes until I hit high volumes and then it hits harder. I have dedicated sub using sub out handling 80hz and lower. Underseat subs set up as midbass now. Sub signal comes off the underseat subs. (Virtually mapped in I/O)

dombi wrote

Without seeing more data, it difficult to say anything...

If I saw some Frequency response graphs, I could probably say more.
Do you have a Mic? Can you make measurements?

Other than that, maybe you can post your settings in the Match UP8.
How are the Woofers (underseats), and how is the Sub set up.
Maybe you can make a screenshot of both.

Or maybe you can post your .afpx settings file, so that we can look at it...

Edit: you can check
- if you have "Dynamic Bass Enhancement" enabled: FX menu -> Augmented Bass Processing
- if you have DLC enabled: IO menu -> upper right hand corner, click on the 3 vertical lines -> upper right hand corner, click on DLC -> check if it is enabled for Low frequencies.

theeclectic wrote

Are the Focals significantly better than the Harmon Kardon that come with the G05 LCI?

theeclectic wrote

Are the Focals significantly better than the Harmon Kardon that come with the G05 LCI?

Coercion Shaman wrote

Now to figure out the sub. Considering the Focal BombA BP20. Small integrated package that has solid reviews. I don't need to shake the rear view mirror. Just want some clean lower end and I carry a spare. Otherwise would use the box made to fit in that space.

Theruleslawyer wrote

That's a tiny sub. less than 8" I'd probably look for a downward facing box if space is a concern. At least you can throw stuff on top of it. Something like the kicker boxes-

https://www.crutchfield.com/p_20651PTRT2/Kicker-51PTRTP12.html?tp=114

They also make spare tire subs that might fit with your spare
https://mm.jbl.com/car-subwoofers/JBL+BASSPRO+HUB.html

Theruleslawyer wrote

Better, probably. Significantly? ehhhhhh. The focal inside speakers aren't a high end speaker. Just better than typical OEM stuff. You'll get more out of the DSP and a real subwoofer. Do those first and think about the Focals if you're still not happy.