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    Re: Looking to get a JBL MS8

    Quote Originally Posted by upvan257 View Post
    hihi, thanks bác 1 cái nhé, anh em cùng ?ng h? na, chúc anh em vv
    Did I miss something here?



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    Re: Looking to get a JBL MS8

    Quote Originally Posted by heebs 09gts View Post

    I am wondering how I hook up the output for the centre channel and the sub channel to a amp. The outputs are for a single rca hookup. If I found a small 2channel amp to use for the centre channel, would I just use a rca "y" splitter for input to the amp. And the same for the sub amp? I know some mono amps have the single rca hookup, but mine has 2 rca plugs(1 red and 1 white) just use a splitter?
    Yeah that's all you would need to do seeing as how those are both mono channels.....



    Just when they though it couldn't get any worse, in came the Lord of Kaos, the Darkhart has arisen from his century long slumber..
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    Re: Looking to get a JBL MS8

    Quote Originally Posted by heebs 09gts View Post
    A center channel is definitely on the to do list. How did you go about doing the centre channel? How do you recommend I do it?
    Right now I have a 4 channel amp to use for the mids and tweets up front, was thinking of running the stock rear speakers on the ms8. And centre channel on the ms8.

    Or use the 4 channel amp for front mids and the rear coaxial mids. And run the front tweeters on the ms8 and the centre speaker on the ms8.

    I am wondering how I hook up the output for the centre channel and the sub channel to a amp. The outputs are for a single rca hookup. If I found a small 2channel amp to use for the centre channel, would I just use a rca "y" splitter for input to the amp. And the same for the sub amp? I know some mono amps have the single rca hookup, but mine has 2 rca plugs(1 red and 1 white) just use a splitter?
    The center channel should not run off the MS-8's amplifier if your door speakers are on a separate amplifier. A lot of information in music is recorded in mono and Logic 7 will route that mono information to the center channel. This means you will want it to have similar performance to your door speakers. Andy W of Harman recommends a frequency response down to 100 Hz if possible and to use a tweeter. A 5-1/4" coaxial speaker is acceptable, but basically the best center is a 6.5" woofer with a tweeter. You wouldn't want to go any larger as you run into issues mating the woofer with the tweeter, just the same as with a door install.

    What I plan to do is use half of a 6.25" component set, build an enclosure into my dash, and power it off a bridged 2-channel amp. Before that I'm going to add rear speakers as it's said to add depth to the soundstage with Logic 7. Rear speakers off the MS-8's amplifier is fine as there won't be much playing back there.

    The center channel is really for great imaging with passengers. You can get centered vocals without a center channel just like with any other processor.




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    Re: Looking to get a JBL MS8

    Quote Originally Posted by trumpet View Post
    The center channel should not run off the MS-8's amplifier if your door speakers are on a separate amplifier. A lot of information in music is recorded in mono and Logic 7 will route that mono information to the center channel. This means you will want it to have similar performance to your door speakers. Andy W of Harman recommends a frequency response down to 100 Hz if possible and to use a tweeter. A 5-1/4" coaxial speaker is acceptable, but basically the best center is a 6.5" woofer with a tweeter. You wouldn't want to go any larger as you run into issues mating the woofer with the tweeter, just the same as with a door install.

    What I plan to do is use half of a 6.25" component set, build an enclosure into my dash, and power it off a bridged 2-channel amp. Before that I'm going to add rear speakers as it's said to add depth to the soundstage with Logic 7. Rear speakers off the MS-8's amplifier is fine as there won't be much playing back there.

    The center channel is really for great imaging with passengers. You can get centered vocals without a center channel just like with any other processor.
    Thanks for that!

    For the centre channel, If a component is used where would you position the speakers, like one in front of the other? And for either the coaxial or component, the speakers ( if placed on the dash) would be pointing towards the rear view mirror/windshield right? Is that a good position for the speaker, or would you want it more on-axis?

    For the rear speakers, would the ms8 adjust the ''loudness'' of the rear speakers. So that the rear speakers are at a proper level, or at least what the ms8 thinks is a proper level?



    HU: Pioneer AVH-P8400bh
    Amps: JL XD 400.4 / JBL 1201.1
    Front stage: HAT Imagine I61-2V2 6.5''
    Sub: JL 12w7, IB in the works.

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    Re: Looking to get a JBL MS8

    Quote Originally Posted by heebs 09gts View Post
    For the centre channel, If a component is used where would you position the speakers, like one in front of the other? And for either the coaxial or component, the speakers ( if placed on the dash) would be pointing towards the rear view mirror/windshield right? Is that a good position for the speaker, or would you want it more on-axis?
    Pointing up at the windshield is fine. You just want the tweeter right next to the mid, which is why a coaxial would make that easier. If you're going to cut a hole in the dash your options are open.

    For the rear speakers, would the ms8 adjust the ''loudness'' of the rear speakers. So that the rear speakers are at a proper level, or at least what the ms8 thinks is a proper level?
    MS-8 has adjustment sliders for sub, fading f to r, balance left to r, center level, and rear level. With Logic 7 turned on the rear speakers are only going to play information that is out of phase. I'll be able to comment more on that once I reconfigure my system a bit to include rear speakers.




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    My system: Pioneer AVH-4000NEX, JBL MS-8, Clarion XC6610 x 2, CDT 6.7"/4"/1.1" in the front doors, 4"/1.1" center channel, Pioneer TS-W3003D4 12" ported, Clarion SRG-1622R rear fill

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    Re: Looking to get a JBL MS8

    Quote Originally Posted by trumpet View Post
    Pointing up at the windshield is fine. You just want the tweeter right next to the mid, which is why a coaxial would make that easier. If you're going to cut a hole in the dash your options are open.



    MS-8 has adjustment sliders for sub, fading f to r, balance left to r, center level, and rear level. With Logic 7 turned on the rear speakers are only going to play information that is out of phase. I'll be able to comment more on that once I reconfigure my system a bit to include rear speakers.
    Quote Originally Posted by trumpet View Post
    The center channel should not run off the MS-8's amplifier if your door speakers are on a separate amplifier. A lot of information in music is recorded in mono and Logic 7 will route that mono information to the center channel. This means you will want it to have similar performance to your door speakers. Andy W of Harman recommends a frequency response down to 100 Hz if possible and to use a tweeter. A 5-1/4" coaxial speaker is acceptable, but basically the best center is a 6.5" woofer with a tweeter. You wouldn't want to go any larger as you run into issues mating the woofer with the tweeter, just the same as with a door install.

    What I plan to do is use half of a 6.25" component set, build an enclosure into my dash, and power it off a bridged 2-channel amp. Before that I'm going to add rear speakers as it's said to add depth to the soundstage with Logic 7. Rear speakers off the MS-8's amplifier is fine as there won't be much playing back there.

    The center channel is really for great imaging with passengers. You can get centered vocals without a center channel just like with any other processor.
    He's right on all of this!
    I currently have a 6ch. Amp bridged 3way to my door mids and center channel, a 2ch. To my tweegs, and the rear coaxials are running off the ms-8. I could only fit a 4" center but if u can fit a 6 1/2" that'd be best. Make sure to run the same power to the center as the other front mids.




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    Re: Looking to get a JBL MS8

    Quote Originally Posted by Beerdrnkr View Post
    He's right on all of this!
    I currently have a 6ch. Amp bridged 3way to my door mids and center channel, a 2ch. To my tweegs, and the rear coaxials are running off the ms-8. I could only fit a 4" center but if u can fit a 6 1/2" that'd be best. Make sure to run the same power to the center as the other front mids.
    Thanks!

    One thing that is holding me back is the 2.8v max input. My HU ''says'' it puts out 4v, this shouldn't be a problem right. Ive done some reading around but haven't come up with a solid answer yet.

    Are you not running subs? How do you have that 3 way door setup, centre, and rears?



    HU: Pioneer AVH-P8400bh
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    Re: Looking to get a JBL MS8

    Quote Originally Posted by heebs 09gts View Post
    Thanks!

    One thing that is holding me back is the 2.8v max input. My HU ''says'' it puts out 4v, this shouldn't be a problem right.
    That won't be a problem at all, the 4v output of your deck is not a constant and the MS-8 will allow you to match input signals during the calibration/setup step....



    Just when they though it couldn't get any worse, in came the Lord of Kaos, the Darkhart has arisen from his century long slumber..
    ____________
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    Type-S Texan ............Xtremebass5
    NE14MX ........Grinder1989
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    .............Jameseypoo
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    Qtrhorse..............Nismos14
    Pistonsfan70........4nine
    SlainNothing.........Orangelss
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    Re: Looking to get a JBL MS8

    Quote Originally Posted by heebs 09gts View Post
    One thing that is holding me back is the 2.8v max input. My HU ''says'' it puts out 4v, this shouldn't be a problem right. Ive done some reading around but haven't come up with a solid answer yet.
    There is a setup CD included with the MS-8. You play that during the input setup and adjust your head unit volume until it says "OK" 3 times on the display. That will become your maximum volume level, with room to spare to turn it up on quieter songs.




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    Re: Looking to get a JBL MS8

    Awesome thx guys!

    Another question for the experts. I need to get another amp for the centre channel, would it be worth it to get a small 4ch amp so I could bridge the centre channel, and also amp the rear speakers. Or does the ms8 have enough power for the rear speakers?



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    Re: Looking to get a JBL MS8

    The ms8 has the power to do it but if it was me, I would get the small 4 channel and do as you stated....
    Last edited by DARKHART; 12-28-2012 at 04:53 PM.



    Just when they though it couldn't get any worse, in came the Lord of Kaos, the Darkhart has arisen from his century long slumber..
    ____________
    refs:
    Type-S Texan ............Xtremebass5
    NE14MX ........Grinder1989
    NJack2AF
    .............Jameseypoo
    Randyrsx ..........Bagdntagd
    M3Transporter......Teggybwoy
    RJ Sclafani...........Zeuslicious
    Saltyreefguy........Qkassidyw
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    Re: Looking to get a JBL MS8

    As long as you're sticking to the 8 channel limit more power is always good. I will bridge a 2-channel amp for my center channel and most likely run the rears off the MS-8.




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