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  #1  
Old 08-13-2012, 05:51 AM
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Default Is perfect Sound Quality this difficult to achieve?

Firstly here's what I'm running:
HU: Pioneer 4400bh
Front Speakers: 2-way 6.5" Rainbow Vanadiums
Back Speakers: Some $70 pair of Kickers
Sub: 10" Morel Ultimo
Amp for speakers: 4channel Alpine f4
Amp for sub: re audio 3000.1
-------------------------------------------
So when I had the Rainbows and Morel sub put it I felt like my audio was at a 10 out of 10 but now it fluctuates. I don't think anythings blown or anything but it's definitely not at 10 anymore. I don't know if my ears just got used to it and now I can see the flaws (because nothing is perfect, and in this case it's the ear of the beholder) but I don't know if it's me or if I need to make adjustments.

I noticed on some songs the front tweeters will get a little distorted as if it has like a tunnel effect..
Is active really better or perhaps I should get a processor?

Also I suspect source quality is fluctuating as I'm running some music off bluetooth and some mp3s are definitely not their original quality.
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Old 08-13-2012, 05:58 AM
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Mp3 is a lossy format... consider FLAC instead. I don't know much about SQ, but using dumbed-down, compressed music seems counter-productive.
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Old 08-13-2012, 06:15 AM
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To answer the title question... yes, perfect SQ really is "that" difficult to achieve. People spend thousands of dollars and hundreds of man hours trying and they still can't.

Processing and time alignment go a looooong way toward your goal though. You HAVE to have control. My immediate advice would be to lose the "some $70 Kickers" and focus on the fronts. Download the Focal demo disks. Pick a track or two that you like and has a dynamic range and use the same tracks everytime for tuning. Get those tracks dialed in and then if there are any anomalies in other source material, you'll know it's the material and not your system.
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Old 08-13-2012, 06:18 AM
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sound quality is the ability to accurately reproduce all frequencies at the same volume. any sort of true sound quality usually requires a good amount of equalization to get to that point.

as for your situation, it's more a matter of your source of your music than signal processing. no matter how good your speaker and signal processors are if you are playing a poor copy of music it wont make any difference.
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Old 08-13-2012, 06:26 AM
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Quote:
Originally Posted by fasfocus00 View Post
sound quality is the ability to accurately reproduce all frequencies at the same volume. any sort of true sound quality usually requires a good amount of equalization to get to that point.
Not sure I agree there. I've heard perfectly "flat" cars that were RTA'd to death and they sounded like shit to me.

Maybe the ability to reproduce every frequency accurately; and at the same volume of the original recording, but music is dynamic and so are the individual frequencies.

"Perfect" SQ is also entirely listener dependant.
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Old 08-13-2012, 06:37 AM
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Quote:
Originally Posted by TaylorFade View Post
Not sure I agree there. I've heard perfectly "flat" cars that were RTA'd to death and they sounded like shit to me.

Maybe the ability to reproduce every frequency accurately; and at the same volume of the original recording, but music is dynamic and so are the individual frequencies.

"Perfect" SQ is also entirely listener dependant.
I agree... I used to tune our competition vehicle kinda flat and hated it, so I always settled for a nice smooth transition from higher to lower on the RTA, it was a good balance for SQ and RTA.
Edit :I meant higher level on the bass end to lower levels on the highs...
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Old 08-13-2012, 04:58 PM
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not to put a damper on your goals, but perfect sq is only a dream as of now. Good equipment though.
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Old 08-14-2012, 12:59 AM
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Quote:
Originally Posted by korey_hofer View Post
not to put a damper on your goals, but perfect sq is only a dream as of now. Good equipment though.
Well like I said, I know it's not literally possible to get perfection, only something close to it.

While driving home from work today I played some more music via my ipod (no bluetooth) and there is a difference (which I've known but I have to get a new wire as mine is M.I.A and I've been using my phones bluetooth as a fall-back. I really noticed that my front speakers really shine on acoustic music (though it's only 1 song I have as it is within an album that is of the genre Metalcore/Hardcore)

So pretty much here's what I've gathered that I am to do in the near future.
1) I'm going to replace the back coaxials with something special. Maybe more rainbows, Might try out Morel, not sure yet. Going to do some research.

2) As of late I've noticed something is rattling when I have my subwoofer turned up, it's on the right side of my car and it's really annoying me so I have to locate and fix it.

3) Idk if FLAC files is a option for me as I am a pirate scumbag who downloads all of his music. Though when I do download stuff I make sure it's the largest file-size.

4) I think I have everything tuned correctly but will definitely try out that focal sound test cd so I can get it even better.
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Old 08-14-2012, 01:50 AM
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I might be able to get a nice deal on Integra Ovation XO 5 - Morel 2 Way Coaxial Speakers for my rears to even out the sq level, perhaps achieve an even fuller sound environment.
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Old 08-14-2012, 03:14 AM
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People around caco and similar spl favored audio sites are so full of ish when it comes to "sq advice". That's all I will try to say. Carefull on the advice and oppinions you see.

You say "perfect sq" so I would say that hitting the books, and studying acoustics and electronics are mandatory. Otherwise, general sq can be acheived by a good installer who knows enough about choosing the correct components and how to place them. Most audio shops wouldn't fall into "general sq" IMO.

Last edited by Novicaine; 08-14-2012 at 03:18 AM.
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