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Good Audio System for Dzire Lxi in 20k

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#11 29-Jun, 2009 06:21 PM
Ami
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I think I have seen something of that sort with pictures. I am very sorry I dont recollect any of it.

Maybe others will be can give some points.



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#12 29-Jun, 2009 06:38 PM
Arun Dhawan
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Posted by Anurag

Thx so far. I will post the pictures. I just showed it locally. Basically, the bass effect is not coming out well even after setting all HU configurations.

One diagnosis I am getting is that Dzire's inbuilt plank has 6 inches speaker slots and it is built for fitting speakers from under and not top. The polk 6x9 have been fitted from top with an open oval rest. The boot is seeing only the round magnet and not the full speakers.

Is above the only way to fit the 6x9 into Dzire?

Or will the speakers automatically settle in 1-2 weeks and start giving better bass?

Install from top or bottom is ok as long as:

  1. the 6x9 cone has free space to breathe. There should be free air behind the entire cone.
  2. There are no gaps between the speaker frame and the board.
  3. Bumping the sla is only putting a band aid on the prob. Chances are part of your 6x9 cone doesnt have enough free air behind it. Check tis out.
  4. If you have to cut panels do it. It will improve the sound.

 



Last Updated: 29-Jun, 2009 06:41 PM, by arun.dhawan
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#13 30-Jun, 2009 06:55 PM
Mr. Vohra
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Pics are posted here -

http://www.carwale.com/community/photos/myphotos/ViewAlbumPhotos.aspx?AlbumId=869

Arun - I am not sure if I follow your reply, some words are missing.

Also, how is the metal panel cut? Won't it damage it?

Isn't there any other option to improve the sound?



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#14 30-Jun, 2009 08:20 PM
Arun Dhawan
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Install from top or bottom is ok as long as:

  1. the 6x9 cone has free space to breathe. There should be free air behind the entire cone.
  2. There are no gaps between the speaker frame and the board.
  3. Bumping the sla is only putting a band aid on the prob. Chances are part of your 6x9 cone doesnt have enough free air behind it. Check tis out.
  4. If you have to cut panels do it. It will improve the sound. You will have to get this done at a good place.
  5. Over a period of time you will damage the 6x9 cone if part of the cone has free space behind it and part doesnt. Loss of audio quality is the prob due to this.


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#15 30-Jun, 2009 09:00 PM
greenhorn
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could it be inverted phase in one of the speakers ?

Anurag, try using the fader/balance controls to listen to the speakers one by one , and in pairs.

1) when you are playing a mono track, the sound should sound like its coming from between the speakers

2) two speakers should have more bass than one. As you shift the sound from one speaker to the other, it should gradually increase until you reach midway, and then decrease again

otherwise, you might have some problems with phase of the wiring.

also, play some bass heavy music for the first few days. the speakers might need some time for burn in



Last Updated: 30-Jun, 2009 09:01 PM, by greenhorn
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#16 30-Jun, 2009 10:12 PM
Mr. Vohra
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Posted by Arun Dhawan

Install from top or bottom is ok as long as:

  1. the 6x9 cone has free space to breathe. There should be free air behind the entire cone.
  2. There are no gaps between the speaker frame and the board.
  3. Bumping the sla is only putting a band aid on the prob. Chances are part of your 6x9 cone doesnt have enough free air behind it. Check tis out.
  4. If you have to cut panels do it. It will improve the sound. You will have to get this done at a good place.
  5. Over a period of time you will damage the 6x9 cone if part of the cone has free space behind it and part doesnt. Loss of audio quality is the prob due to this.

How do I check for point#3? I have posted the pics. Can it be told by looking at them?



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#17 30-Jun, 2009 11:39 PM
Arun Dhawan
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Yes, look at the install from the underside ie look at the back of the speaker. If you can see the entire cone then ure ok. If you only see part of the cone and the bal is hidden / obstructed from view then you need to do some cutting.

If ure running the db 691 off the HU, youre not going to get much bass out of these. You will need to amp them. From your ealier post, ure running the jbl comps of yr 2ch amp. Get the 4ch amp and run the front and rears of the 4c and bridge the 2ch amp for the sub.



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#18 01-Jul, 2009 03:12 PM
Arun Dhawan
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checked your pics and the install is all wrong. Your cones dont have ANY air to breathe. Cut the metal panel and install the 6x9 properly. Cut the panel so the enitre 6x9 cone has free air behind it.

The way you have them installed, the speakers will distort themselves to death over a period of time.

This is what amazes me about ice installers in india. 99.99% of them suck at what they are supposed to do. 

Tell you what. I will take pics with my phone cam of how my mm691 are mounted. I had to cut the panel as well. The speakers aren't connected, as I only use front comps. But at least it will give you an idea of what I'm talking about.

This may take a bit hang on.



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#19 02-Jul, 2009 11:31 PM
Mr. Vohra
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Thanks Arun. 

I talked to my installer over phone and he admitted that they did a hurried job. He asked me to come over so they can cut the panel and fit the 6x9 properly. 

I have couple of queries 

1. Would any other 6" like polk 651 or 6501 sound similar to the 691 if I fit that in the rear? Actually I am a little edgy getting the metal panel cut. I have seen wooden and plastic panels getting cut but not sure of how easy it is to cut the metal without any other damage. 

2. As I am using my preout to front amp and speakers and the line out directly to the rear speakers, what wattage would be going to rear? 50wx2? Is there a way to use all 4 channels of lineout and feed them to rear? Will that be maximum utilization of all resources? Or it is not possible/advisable?

thx



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#20 03-Jul, 2009 10:39 PM
Arun Dhawan
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1. Would any other 6" like polk 651 or 6501 sound similar to the 691 if I fit that in the rear? Actually I am a little edgy getting the metal panel cut. I have seen wooden and plastic panels getting cut but not sure of how easy it is to cut the metal without any other damage. 

The cutting of the metal panel is done with a oxy torch, similar to what is used for welding. As long as you do it from a good place its not an issue. It doesnt have any warranty issues and it doesnt hurt your car. The cutting will not be visible from inside the car. Once the 691's are installed properly, you will need to amp these speakers. These speakers are 3way 100watts rms speakers. Your hu prob puts out 15-18 watts per ch. So if you run a 100w speaker on 18w, the speaker will not be able to show its true potential. My advise, trade in your 2ch amp for whatever you get and buy a good 4x60watts amp. Run all 4 speakers of this amp.

The 691 with an amp will sound much better than the db651, no contest.

2. As I am using my preout to front amp and speakers and the line out directly to the rear speakers, what wattage would be going to rear? 50wx2? Is there a way to use all 4 channels of lineout and feed them to rear? Will that be maximum utilization of all resources? Or it is not possible/advisable?

Running off your hu, the rears are getting 2x18watts rms max. The HU's 4x50watt rating is peak power, which means nothing. While I have read about bridging the line outs, I would not go this route. I would still recommend the 4ch amp. You wont regret it.

Sorry havent got around to posting my install pics.......



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