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Sedans Hyundai Azera Hyundai Azera Audio and Entertainment
565 messages, Last post on Nov 14, 2009 at 3:32 PM
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Replying to: megarock (Oct 07, 2008 5:35 am) If the sound system were a true surround system, I would agree with it making sense for the sound to be focused on the vocal frequency range. However, it's a music system and that part was ignored. When you're at a concert, if you close your eyes...music fills the entire front stage in front of you...from left to right with no gaps. When you hear the singer's voice, it is centralized (for the most part). This is what the OEM set-up lacks with how they set up the frequency cut offs. With the aftermarket speaker in place, it now allows for a greater frequency range to come through to include the musical along with the vocal, so the sound stage is more complete all the way across, but still centralizing the vocals. The one thing they did get right is the rear speakers are not dominant at all. You really don't know they are playing unless a sound is designed to come from the rear or is you fade them out, then you miss it. I just wish they have paid more attention to the subwoofer and put one in that could handle the lower frequencies a lot better. It's really good down to about 80 Hz, but below that...it really struggles. Thus, that is why I removed it from my set-up. Any bass below 80 Hz with the music turned up caused the sub to distort like crazy and sound awful.
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I've always wondered what kind of components they have used for the amp, but unfortunately I cannot tell without dismentling the transistors from the radiator. Here is a pictue with the cover off:
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Replying to: allmet33 (Oct 07, 2008 6:05 am) Question .... If the OEM center speaker has a high and low cutoff from the amp how can replacing an upgrade speaker improve the sound.??? I replaced the OEM center speaker with the upgrade Inf. co-ax and did not notice ANY improvement in the sound stage. My Son also said he heard no difference between the OEM and the upgrade speaker ....... Now I know why If your using the OEM amp and IT HAS BUILT IN CUT OFF and can hear the difference then it's called Psycho Acoustics ( If you believe it will sound better it will) That's why many audio company's put all kinds of Bling on their products to make it more Hi Tec looking
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Replying to: hjc1 (Nov 09, 2008 12:17 pm) The cut off only controls the frequencies that will reach (or not) the speaker, that's it nothing more. What type of speaker did your son replace the center channel with? If it was a 4 ohm speaker, there's your answer. You hindered the performance of the amp because that would cut in half the power going to the speaker itself. If he used a 2 ohm speaker such as a JBL or Infinity product, him not hearing a difference means he may just not have an ear for it. Then again, I can't say simply changing out the center channel will make that much of a difference if you don't take care of the door speakers as well. All of my speakers up front have been changed, except for the OEM tweeters. The change in sounds is significant, much clearer, definitely cleaner and I can play my music louder without worrying about distortion.
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Replying to: megarock (Nov 09, 2008 3:46 am) I will say this much, the components used are good quality, but they are not the top notch stuff audiophiles would expect in a high end system. You could definitely find better by going aftermarket, but that would require a lot of work ripping out the old and running new wire and such. Personally, I feel the OEM amp is just fine for running the speakers so I kept it in use. Plus, I didn't want to buy a 5.1 channel amp just to keep the function of the center channel. So...option #2 is to go with quality speakers and beef up the bass with an aftermarket sub set up which is exactly what I did and I am completely satisified with the results. I guarantee if you were to hear my system compared to an OEM system you'll hear a big difference in the quality of sound (even if I cut the subs off). Granted, the speakers won't play as low as the OEM sub, but the overall sound is cleaner and livlier in performance. When I cut the subs on...the OEM system doesn't stand a chance because the OEM sub cannot play as low as my aftermarket subs, nor can it handle high volumes without distorting easily and sounding like crap. |
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Replying to: allmet33 (Nov 10, 2008 9:49 am) I used a diagnostic CD test disc that sweep several frequencies plus tests for 5.1 performance. Because of the narrow frequency range of the center speaker it does warrant the expense of replacing that speaker .... however it does made sense to replace the door speakers
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Replying to: hjc1 (Nov 10, 2008 12:07 pm) Just to make sure...you're saying the narrow frequency range does or does NOT warranty the expense of replacing that speaker? If you're keeping the OEM head unit in place...you could be right, however...drop an aftermarket head unit in and you'll see just how that poor OEM center channel will distort and sound like crap. In my case...the swap was warranted. However, as I stated before...the aftermarket speaker uses the power from the OEM amp more efficiently than the OEM speaker will so it will sound better (if even marginally), but will definitely provide you with the ability to crank your music without the distortion. Changing the door speakers was a no brainer for me. I went with the coaxial speaker to add another set of tweeters up front to broaden the sound stage across the front of the car. The one thing you've got an advantage with is that Reference coaxial has the adjustable tweeter so you can increase or decrease the output of the tweeter by +/- 3 dB, the JBL I installed does not have that feature, but for MY listening enjoyment...I don't need it. I think the biggest key here is...are you keeping the OEM head unit or are you swapping it out. If you keep it...then the upgrade may seem marginal at best depending on the listener's ear. Some are less sensitive to changes than others. Me...I heard a big difference when I did my initial swap while I still had the OEM head unit in. Changing to an aftermarket head unit made the difference even more noticeable since I now have more sound shaping controls at my finger tips.
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Replying to: allmet33 (Nov 10, 2008 12:22 pm) No I'm not going to change the OEM head unit.... If I knew about the narrow freq. range of the center speaker I would not have purchased an upgrade. Sounds like you have a hell of a sound system..... thanks for all the input regards HJC1
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Replying to: hjc1 (Nov 11, 2008 7:22 am) Yeah...if you were keeping the OEM head unit, I probably would have told you not to swap out the center channel. However, replacing the door speakers will make a difference. Because they do use the signal more efficiently and there's another set of tweeters involved, it opens the sound stage more. What I found was that instead of the overall sound being centralized  the center channel, it now only centralizes the vocals, but the music is spread across the front more evenly. Well, at least that is what I hear. Sorry you feel you wasted money, time and effort. Then again...maybe you'll get curious as to just how much better the system can sound with some upgrades.  I'm very happy with my sound system even though I'm still tweaking it. The one thing I truly love is being able to crank it up without distortion. If you do ever decide to make other upgrades, let me know. Mike |
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For anyone looking to replace their OEM head unit with a nav unit, I came across this sweet deal. Like it says on the website, you would be hard pressed to find a deal better than this for what you get!!! Eclipse AVN52D 
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