SPL Range and SQ help

Syncher

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Nov 6, 2019
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Preamp, Processor or Receiver
Alpine PXE-8505s
Main Amp
RF Punch
Additional Amp
RF Punch
Other Amp
RF Punch mono
Universal / Blu-ray / CD Player
OEM
Front Speakers
Hertz ESK
Center Channel Speaker
n/a
Surround Speakers
Hertz ESK
Surround Back Speakers
Hertz ESK coax
Front Height Speakers
Hertz ESK
Rear Height Speakers
Hertz ESK
Subwoofers
JL Audio 12tw1 2
Long time lurker, first time poster here. I could use some help making the graph look correct. I can't figure out why the SPL side of the graph displays -45 to -15. Also I'd love to hear any suggestions if you see anywhere that needs attention in terms of sound quality.
1/6th smoothing has been applied. The photo shows my front stage, LFE channel and RMS average, post-Dirac.
Beyond that, does anything stand out as needing attention? For reference- this is for movies and music and I don't listen super loud but do love good strong bass.
5-9 LFE Front Ave 1-6th.jpg
Thanks in advance.
 
Re: SPL range. Most likely your microphone does not have SPL calibration + you skipped the SPL calibration step in REW. If you want your SPL range to accurately reflect what was measured, you will need an SPL meter. Do you NEED an SPL meter? No, not really. It depends on what kind of measurements you want to take. If all you want to do is take measurements of the relative amount of bass compared to treble (as you have here) then an SPL meter is not necessary.

If you ask me, your system has way too much bass. But if you like it that way then ... it's your system, your music, it's there to make you happy. If that's what you like, IMO there is no problem.
 
First, welcome to the Forum!

We typically recommend graphs with a 60 dB range on the left axis; yours shows only 35 (-15 to -50). Changing the graph will make it look better and also better reflect what you're actually hearing. Post a new one back so we can have a look at it.

Regards,
Wayne
 
Thanks for the responses and help. Sorry I disappeared but thx! I've changed my setup quite a bit since I posted. Always a work in progress though.
Clipboard01.jpg

As you can see- I was able to smooth out the low end quite a bit. All it took was a lot of money and time moving stuff around, getting Dirac ART and learning how to use that etc etc etc :D
This measurement doesn't show the changes I made in DA to make everything after LFE to more closely match the speakers response (meaning less flat). I also added a lift to the center channel so I don't have to worry too much about not being able to adjust it via the options menu after the latest firmware update.
 
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A more sensible SPL span would be around 60 dB, at the moment you have a span of about 160 dB. You can use the Limits button top right of the graph to set suitable top and bottom SPL values for the graph.
 
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