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  1. Join Date
    Aug 2010
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    3,527
    #1
    Quote Originally Posted by GTi View Post
    May tanong ako. May problema yung stock head unit ng 2011 Santa Fe namin. Ayaw nya magplay ng kahit anong CD, lalabas lagi "bad disc", ganun din dun sa SD card slot, although tinatanggap naman niya ang GPS map data SD card. Yung TV niya 1 channel lang ang natatanggap. Gumagana naman ng maayos ang tuner at aux-in. Ano kaya problema nito?

    Sent from my GT-I9100 using Tapatalk 2
    That's probably the head unit's "mother" board na mismo. In theory, it might just be the CD mechanism if lagi bad disc yun CD but since the SD slot is also affected, I'll suspect that it's the board itself.

    Hindi ba pasok sa warranty ni Hyundai PH? Since that's going to cost a lot for repairs (almost brand new cost na yan)

  2. Join Date
    Oct 2008
    Posts
    525
    #2
    Tanong ko lang, ganun ba talaga "ka-pangit" ang sounds ng stock headunits kaya need palitan if you want better sound? hindi ba puedeng lagyan na muna ng amps at change stock speakers? Ok naman kasi sakin yung tunog nung stock HU ng Vios 2013 pero yun lang need ko ilakas yung volume para may bass or mapuno nya ng sound yung loob ng car. Sa ganitong case ba ng listening style ko, palit HU ba ang better route?

  3. Join Date
    Aug 2012
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    2,767
    #3
    actually, it depends on you. if you are satisfied with current sound quality and just want higher volume, then no need to change. does your HU have PRE-OUT (RCA) ports to connect to the new AMP?

  4. Join Date
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    #4
    Quote Originally Posted by artsky View Post
    Tanong ko lang, ganun ba talaga "ka-pangit" ang sounds ng stock headunits kaya need palitan if you want better sound? hindi ba puedeng lagyan na muna ng amps at change stock speakers? Ok naman kasi sakin yung tunog nung stock HU ng Vios 2013 pero yun lang need ko ilakas yung volume para may bass or mapuno nya ng sound yung loob ng car. Sa ganitong case ba ng listening style ko, palit HU ba ang better route?
    Nope. I've heard of a Civic FD's stock head unit with a complete chain setup (speakers, amplifiers, and subwoofers) and it sounded quite nice tonally naman.

    The only reason you want to change the head unit is when you feel it's the weakest chain of your system. For many, these is usually the need for a flat signal or the need to remove the stock HU filters. The more "enthusiasts" ones will tell that you need the better features of more EQ bands, crossover controls, time alignment, etc.

    That prevalent misconception is why one of the goals while I was building my concept was to debunk that myth. The result is that I professionally compete using my stock head unit...



    but with an incredibly creative (aka do-not-do-it-to-your-car) signal route that preserves the quality of the signal I have from my iPhone.

  5. Join Date
    Apr 2008
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    6,235
    #5
    Quote Originally Posted by jhnkvn View Post
    That's probably the head unit's "mother" board na mismo. In theory, it might just be the CD mechanism if lagi bad disc yun CD but since the SD slot is also affected, I'll suspect that it's the board itself.

    Hindi ba pasok sa warranty ni Hyundai PH? Since that's going to cost a lot for repairs (almost brand new cost na yan)
    Ang hassle pala. Ang hirap ipagawa sa casa since wala talagang oras. Alam mo naman... Schedule pa ng appointment, ang haba pa ng pila, makipagkulit-kulitan pa sa mga warranty personnel nila and so on and so forth.

    But then again, bat natatanggap pa ang GPS SD card? Kung sira yan diba dapat pati yan di nababasa?

    Marupok ba talaga tong mga OEM AVT head units?

    Sent from my GT-I9100 using Tapatalk 2

  6. Join Date
    Aug 2010
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    3,527
    #6
    Quote Originally Posted by GTi View Post
    Ang hassle pala. Ang hirap ipagawa sa casa since wala talagang oras. Alam mo naman... Schedule pa ng appointment, ang haba pa ng pila, makipagkulit-kulitan pa sa mga warranty personnel nila and so on and so forth.

    But then again, bat natatanggap pa ang GPS SD card? Kung sira yan diba dapat pati yan di nababasa?

    Marupok ba talaga tong mga OEM AVT head units?

    Sent from my GT-I9100 using Tapatalk 2
    It's not the SD card mechanism but rather how it reads the files. GPS data is handled by another decoder so it's unaffected while turning digital audio files like .wav, .mp3, etc. to something that can be read by your head unit lies with the DAC chip on the board and that might be the one which is defective. The reason why it can't decode is most probably the culprit of your error message of "bad files". Problem is, your DAC chip is central to the head unit's operations and it's like changing the CPU unit of your computer. Most manufacturers would rather say that you replace the entire board instead since what they usually get are finished-units na with their board assembly being outsourced to low-cost production countries like Taiwan.

    That's my guess anyway.
    Last edited by jhnkvn; September 15th, 2014 at 07:34 PM.

  7. Join Date
    May 2014
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    10
    #7
    Quote Originally Posted by GTi View Post
    Ang hassle pala. Ang hirap ipagawa sa casa since wala talagang oras. Alam mo naman... Schedule pa ng appointment, ang haba pa ng pila, makipagkulit-kulitan pa sa mga warranty personnel nila and so on and so forth.

    But then again, bat natatanggap pa ang GPS SD card? Kung sira yan diba dapat pati yan di nababasa?

    Marupok ba talaga tong mga OEM AVT head units?

    Sent from my GT-I9100 using Tapatalk 2
    maybe you could have your head unit directly serviced at winterpine araneta ave., supplier of the avt brand

  8. Join Date
    Mar 2012
    Posts
    742
    #8
    Sir jhnkvn, I know familiar ka sa mga JBL. I was able to download 2types of GTO609 pdf spec sheets. When I was reading both spec sheet and compare it to the pdf owner’s manual may pinagkaiba pala (RMS and frequency). I want to ask which is which. Maybe new and old model, but how would a newbie know which is the old and the newer model?

    Here is the screenshot:

    2014-09-1822_34_44-greenshot_zps00964c98.jpg

  9. Join Date
    Aug 2010
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    3,527
    #9
    Quote Originally Posted by D3nb3r View Post
    Sir jhnkvn, I know familiar ka sa mga JBL. I was able to download 2types of GTO609 pdf spec sheets. When I was reading both spec sheet and compare it to the pdf owner’s manual may pinagkaiba pala (RMS and frequency). I want to ask which is which. Maybe new and old model, but how would a newbie know which is the old and the newer model?

    Here is the screenshot:

    2014-09-1822_34_44-greenshot_zps00964c98.jpg
    These are most possibly the same models. Walang newer or older.

    Why?

    Because there's no "fixed" standard when it comes to testing RMS and frequency response unless it's CEA certified. You can throw any number you like there as long as it's sensible to people.

    I always said that RMS is a poor indicator of a driver's power needs. What it just tells you is how much power the driver can be fed sustainably for a long time. The difference between 75W and 90W is smaller than you think it is. In fact, to most people, the difference cannot be distinguished. Remember, power and volume scales exponentially. It's not a simple addition or multiplication.



    Quote Originally Posted by enargie View Post
    I already have a morel maximo 2 way seps and planning to get a 10" morel primo subs. With these gears what specs of amp would you suggest, Thanks
    For the speakers, 75W is more than enough but if you can get 100W, why not?
    For the subwoofers, 150W is enough but if you can get 300W, why not?

    Actually, for the subwoofer.. it's more of a matter of enclosure on how much power you need. Big enclosure = less power you need. Small enclosure = more power you need. In other words, I can throw your Primo in a small box, feed it 300W of power.. and a Primo thrown in a big box with 150W may still be louder than you.

  10. Join Date
    Jun 2010
    Posts
    72
    #10
    Sir jhnkvn, thanks

audio set-up for beginners [continued]