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Old 23rd February 2007, 13:42   #1
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Here is my ICE Setup..
XS-L122P5 Sub Woofer (Sony)
DEH-P4750M Pioneer HU
GTO936 JBL Speakers (6" x 9" 3-Way Loudspeaker)
Alpine (4 Channel) Amplifier

The sub is sitting in the box placed in the boot....I am having issues with the sound clarity.. and also the sound tends to tear when the volume level is 25+... need help to sort this out.... also please guide me to if anythg need to be removed or added for getting more punch in the bass...
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Old 23rd February 2007, 14:23   #2
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I think you mean the speakers are jarring at high decibels. try to find out if it is the front or rear or the sub by disconnecting each of them individually. You seem to have mixed & matched with some ordinary, decent & good systems.
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Old 23rd February 2007, 14:56   #3
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Quote:
Originally Posted by invincible7 View Post
Here is my ICE Setup..
XS-L122P5 Sub Woofer (Sony)
DEH-P4750M Pioneer HU
GTO936 JBL Speakers (6" x 9" 3-Way Loudspeaker)
Alpine (4 Channel) Amplifier
My suspect would be the Alpine amp. Is it genuine?
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Old 23rd February 2007, 15:18   #4
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Hmm moralfibre...i think its malaysian...but it works good... on low levels..and if the volume is 25+ the sub seem to jarr as esteem lover pointed out... i mean i get the punch but not the crispier kinds.. sometimes.....
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Old 23rd February 2007, 15:47   #5
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By clarity issues, did you mean that the sound is too harsh? Or that it distorts at high volumes?

Where does the sound tend to "tear"? From the sub or from the 6x9s? I guess from the 6x9s, right?

1) Problem could be that the gains for the 6x9s are set too high in the amp.
2) The HPF/LFP filters for the 6x9s are set to 'off' in the amp?

And if the amp is not genuine Alpine...

Unrelated, but a little related
You don't have speakers in front? I guess you'll be driving the car mostly? Getting speakers in front will make a lot of difference to the overall ambience in front.
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Old 23rd February 2007, 18:26   #6
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@hydrashok i have the front speakers... dont know the brand... and the sound tend to tear from the sub.. will check on wat u pointed out though...
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Old 24th February 2007, 20:39   #7
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Ah, so the sound is tearing from your Sony Subwoofer. It's not a very nice subwoofer, actually. However, do let us know, is it mounted in a box, or is there a hole in the parcel shelf of your esteem?
Are you using a low pass filter in your amplifier.

If the subwoofer is mounted in the parcel shelf, as I suspect, check if the tearing/vibration is indeed coming from the sub and not it's surroundings.
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Old 25th February 2007, 11:11   #8
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As we wait for the answers for Sam's questions, can you please also explain what your gain settings are? Both, for the sub and speakers.
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Old 25th February 2007, 13:06   #9
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Quote:
Originally Posted by Sam Kapasi View Post
Ah, so the sound is tearing from your Sony Subwoofer. It's not a very nice subwoofer, actually. However, do let us know, is it mounted in a box, or is there a hole in the parcel shelf of your esteem? Its mounted in a box made for it.. and it sits in the boot...
Are you using a low pass filter in your amplifier. dont know wat its exactly... am not too good with audio teminology...apologies..

If the subwoofer is mounted in the parcel shelf, as I suspect, check if the tearing/vibration is indeed coming from the sub and not it's surroundings.
One more thing which i noted... the HD setting.. if i get the front speakers turned off.. the sub... gets into the tearing mode i mentioned.. and when i get the front ones on... with the overall.setup... one of rear JBl's starts to tear and the sub works fine... ahh seems soo complicated.... ... and yes..
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Old 25th February 2007, 14:00   #10
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invincible, what you need is a decent installer. This doesn't look to me like something you can fix yourself.
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Old 25th February 2007, 15:46   #11
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The questions remain unanswered. lease:

How do you turn off the front speakers? Fade! I assume. Or please explain.

Doesn't the 4750 have 2 pre-outs?

What I think is the preouts are not utilised in your setup or it's not done correctly. So, it is better to get the setup checked by a good installer.
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Old 25th February 2007, 21:36   #12
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A case of absolutely messy install. get your car to a half decent installer & you should be fine.
cheers
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Old 26th February 2007, 13:40   #13
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Quote:
Originally Posted by invincible7 View Post
Here is my ICE Setup..
XS-L122P5 Sub Woofer (Sony)
DEH-P4750M Pioneer HU
GTO936 JBL Speakers (6" x 9" 3-Way Loudspeaker)
Alpine (4 Channel) Amplifier...
a) what front speakers do you have?
b) what is the model number on the alpine amp
c) is the amp connected to the front speakers and sub only or have all four speakers and sub been connected to the amp?
d) if all else fails, Sam K. can check it out personally. He just has some pre-requsites that need to be filled! :-)
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Old 26th February 2007, 14:43   #14
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Quote:
Originally Posted by navin View Post
a) what front speakers do you have? dont know
b) what is the model number on the alpine amp dont know its a 4 channel amp
c) is the amp connected to the front speakers and sub only or have all four speakers and sub been connected to the amp? yes its connected to all
d) if all else fails, Sam K. can check it out personally. He just has some pre-requsites that need to be filled! :-)
all of it was working fine... and now i have this issue with it..
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