First REW Measurements - PIC Heavy

It took a while, but I finally found some free time to start using REW and the UMI-1 (No Calibration file). After searching around i found Andy's write up on setting up REW to use his UMI-1 and after some playing i got it mostly calibrated, with the exception of adding a MIC CAL File...Here are my raw first run results of my front 3-Way

Tweeters (Focal K2 Power TKM): Driver | Passenger | Combine
High Passed @ 5.6k L/R 24db
Attachment 12062Attachment 12063Attachment 12064
Mids (Focal 165 AS3) : Driver | Passenger | Combined
Band Passed @ 500 - 5600 L/R 24db
Attachment 12071Attachment 12066Attachment 12067
MidBass (Focal K2 POWERES 165 K2) : Driver | Passenger | Combined
BandPassed @ 100 - 500 L/R 24db
Attachment 12072Attachment 12069Attachment 12070
Full Front Stage
Attachment 12073


I haven't started tuning yet as i think i still need to adjust my XOvers on the speakers. I used the 1.4 x Fs as a starting point but i might have to adjust???
What do you guys think?

What do you think of the two XOver settings using Drivers Side as an Example

Mids Band Passed @ 500 - 5600 L/R 24db vs No XOver
Attachment 12075

MidBass BandPassed @ 100 - 500 L/R 24db vs No XOver
Attachment 12076

You should really mention what speakers they are as a mid wouldn’t normally play upto 5.6k

and your mids also look like they are playing down to 100hz easily... I’d cross them at 200hz and see what that looked like... but again it depends on what mids they are...

your guide of 1.4xfs is not even a thing... no one who knows anything would ever say that sorry... does that mean your tweeters fs is over 3k?

also if posting graphs make them all have the same scale, at most 5db per division, the last ones you posted are 10db

and change the left scale to db not db fs so we get an idea of where your levels are at somewhat

do the above and then repost if you would, as it is your crossovers could well be very wrong for your speakers you have

Quote:

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Originally Posted by dumdum

You should really mention what speakers they are as a mid wouldn’t normally play upto 5.6k

and your mids also look like they are playing down to 100hz easily... I’d cross them at 200hz and see what that looked like... but again it depends on what mids they are...

your guide of 1.4xfs is not even a thing... no one who knows anything would ever say that sorry... does that mean your tweeters fs is over 3k?

also if posting graphs make them all have the same scale, at most 5db per division, the last ones you posted are 10db

and change the left scale to db not db fs so we get an idea of where your levels are at somewhat

do the above and then repost if you would, as it is your crossovers could well be very wrong for your speakers you have

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Thanks for the feedback and as per your suggestions, i have updated my original post and included what speakers i am running and have adjusted my graphs to all be the same level and displaying 5 db SPL increments and also used 1/3 Smoothing as i notice most people dont use the Bar...

Quote:

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Originally Posted by dumdum

does that mean your tweeters fs is over 3k?

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I set the tweeters XOver at 5.6k based on a conversation with a guy named Sage at Orca during a warranty call about the passenger side 6.5 (it has a vibration). I originally had planned to XOver the tweeter at 3.2kHz as a starting point but he stated that these tweeters perform best @ 5.6k and up and that the mid i am using should do just fine going up that far.

Quote:

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Originally Posted by dumdum

your guide of 1.4xfs is not even a thing... no one who knows anything would ever say that sorry...

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I totally get that my practice of XOver @ 1.4 x Fs for speakers & 2 x Fs for tweeters is a total oversimplification :), that's why i am posting these questions up and i thank you for calling me on it LOL

What speakers are they? As you still haven’t answered that? And how are they fitted? 3 way, midbass in bottom of the door, mid in door or a pillars? Tweeter in sails, a pillars, on axis, off axis, all these are questions that need answering to start to solve a very complex equation, I didn’t mean to sound harsh yesterday, I was at work and wanted to squeeze as many points in as I could ����

Quote:

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Originally Posted by dumdum

What speakers are they? As you still haven’t answered that?

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I tried to answer this in the above post sorry, even provided links to the Spec Sheets... I have also added the links and Model below in case that helps...
Attachment 12106

Quote:

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Originally Posted by dumdum

And how are they fitted? 3 way, midbass in bottom of the door, mid in door or a pillars? Tweeter in sails, a pillars, on axis, off axis

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Mid Bass (Focal K2 POWERES 165 K2) & Tweeter (Focal K2 Power TKM) are mounted in the Doors
Attachment 12107
And the Mids (Focal 165 AS3) are in the factory location on the dash
Attachment 12108

Here are the results of my first attempt at tuning to a "house" curve (I stole Jazzi's curve from his workbook)
REW Results So far
Tweeters Driver & Passenger & Overlay
Attachment 12118Attachment 12119Attachment 12124
MID Driver & Passenger & Overlay
Attachment 12120Attachment 12121Attachment 12125
Mid Bass Driver & Passenger & Overlay
Attachment 12122Attachment 12123Attachment 12126
Full Front Stage
Attachment 12127
Target Curve (Pic is at a different SPL Level)
Attachment 12128
This was a fun first attempt and getting more familiar with all of these toys/tools. I totally missed the mark that i was aiming at but damn is this a fun process.

Overall the placebo effect is fun too... It really doesnt sound bad and my imaging is pretty decent. Now time to take lessons from these mistakes, combine that with any input advice you all have and shoot for a second attempt in a few days

***Sorry about all the extra attachments, i havent figured out how to get rid of those down below :(

Yeah - now prepare to waste a LOT of time over the next few weeks (and possibly much longer depending on how far you go with this)! It is kind of fun though - and you get to learn so much. I never realized that there was so much involved in car audio. DSP's really open up a whole new world of "tunability" - and you get to understand how things work in so much more detail. Very cool stuff.

Once it cools down (read December) we can have a tuning and hangout session at someones house. Justin and I did that with Chris and it was fun!