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Car Audio Discussion
General Car Audio
Coupe build. Preliminary questions. Noob but quality expert advice sought.
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<blockquote data-quote="ladysmanfelpz" data-source="post: 8149677" data-attributes="member: 642267"><p>Hey guys. I just picked up a 2007 Honda accord LX and being an audiophile have already thought about what I am going to do to it. It gets me excited, but I'll try to keep it short.</p><p></p><p>So Big 3 will be a first and definite upgrade. Maybe battery too, but prolly just stick with stock alt. Then next will be the deck. You have to buy a whole new dash kit to fit an aftermarket stereo and they run about $300 which kind of *****, but it keeps you stereo up high where you can see it. This is what I want because I want a double din thats ipad compatible and video capable so I can play music videos while jamming.</p><p></p><p>Next will be sound dampening. I just got into it on my last car and threw 40 sq ft of hushmat on my doors and trunk and the difference was insane. I really want to quiet this car up tho and get it smoother than a lexus. I've read a little about sound dampening and now understand you need soft dense material to absorb sound. I also saw that hushmat extreme has a layer of MLV or some foam type material in it and is capable of quieting your ride 10 db on the highway. So my question is is this going to be the most simple and cost effective way of sound dampening or should I do the resonance tiles, MLV, and whatever layer type gig?</p><p></p><p>So my initial thought on the car was to bring in my old CVX on 500 watts and build a nice SQ sealed box and build the system around that. After driving it for a while tho, I like the lightweight and quickness of the car and don't think I want a big sub in the back. Plus the small cabin of the car gives it a real "coupey" sound and I don't think a sub would sound all that great in it really. So now my thought is to just run a four channel amp have nice components and maybe even a crossover set up. It has 6x9's in the back and 5 and 1/4's up front and two tweets on the dash. My thought is to get good mids and maybe even create a baffle and put some polyfill behind them to get some good 'pop' out of the mids and then some nice inverted dome tweeters. Now I am new to component set ups so if you can explain some of the differences in these and especially with the tweeters because I've heard soft dome and whatever they all have now can sound <em>completely</em> different. I think the inverted dome firing up into the windshield will give a really nice sound stage.</p><p></p><p>So now since I am thinking of going subless it will be a challenge to fill out the lows. It is not useless tho and I find myself enjoying mids more so I can go without super boomy bass. I do however need my lows and need them clear. I'm thinking the 6x9's on decent power can do the job and get it sounding nice at least to 30 hz. So I would sound dampen the flimsy aluminum rear deck of course before install. I've heard some issues with powerful speakers firing up into the rear window sounding really distorted so if someone can explain this to me and say my design is completely flawed please let me know. I think with a properly sound dampened vehicle this shouldn't be an issue tho and instead the rear window will act as a box for the 'subs' and give pretty good bass response. I see they don't make many 6x9 subs or even components nowadays so I may have to go old school but I don't mind. I've been reading into infinite baffle set ups but still a little confused on those as well so if anyone has some good knowledge or links on these give me a shout. 6x9's have the cone area of an 8" sub so it would be like having two 8's in the rear deck and if I can completely seal off the trunk (if thats possible) and then have each sub on 125-150 watts I think I could have some real boom out of a subless system. If you can't seal a trunk and the infinite baffle set up firing straight up into the rear windshield will sound like trash I thought about if you could put those little 6x9 boxes filled with polyfill right below, or even better custom fabricate a box out of mdf and mount it below the rear deck. Has this and can this be done?</p><p></p><p>Thanks for all your info. And remember I am open to opinions, but this is my build and have certain expectations, and don't really want to hear some "why don't you just throw 3 sundown sa-12's in it and a sony amp" stupid ****. Thanks again.</p></blockquote><p></p>
[QUOTE="ladysmanfelpz, post: 8149677, member: 642267"] Hey guys. I just picked up a 2007 Honda accord LX and being an audiophile have already thought about what I am going to do to it. It gets me excited, but I'll try to keep it short. So Big 3 will be a first and definite upgrade. Maybe battery too, but prolly just stick with stock alt. Then next will be the deck. You have to buy a whole new dash kit to fit an aftermarket stereo and they run about $300 which kind of *****, but it keeps you stereo up high where you can see it. This is what I want because I want a double din thats ipad compatible and video capable so I can play music videos while jamming. Next will be sound dampening. I just got into it on my last car and threw 40 sq ft of hushmat on my doors and trunk and the difference was insane. I really want to quiet this car up tho and get it smoother than a lexus. I've read a little about sound dampening and now understand you need soft dense material to absorb sound. I also saw that hushmat extreme has a layer of MLV or some foam type material in it and is capable of quieting your ride 10 db on the highway. So my question is is this going to be the most simple and cost effective way of sound dampening or should I do the resonance tiles, MLV, and whatever layer type gig? So my initial thought on the car was to bring in my old CVX on 500 watts and build a nice SQ sealed box and build the system around that. After driving it for a while tho, I like the lightweight and quickness of the car and don't think I want a big sub in the back. Plus the small cabin of the car gives it a real "coupey" sound and I don't think a sub would sound all that great in it really. So now my thought is to just run a four channel amp have nice components and maybe even a crossover set up. It has 6x9's in the back and 5 and 1/4's up front and two tweets on the dash. My thought is to get good mids and maybe even create a baffle and put some polyfill behind them to get some good 'pop' out of the mids and then some nice inverted dome tweeters. Now I am new to component set ups so if you can explain some of the differences in these and especially with the tweeters because I've heard soft dome and whatever they all have now can sound [I]completely[/I] different. I think the inverted dome firing up into the windshield will give a really nice sound stage. So now since I am thinking of going subless it will be a challenge to fill out the lows. It is not useless tho and I find myself enjoying mids more so I can go without super boomy bass. I do however need my lows and need them clear. I'm thinking the 6x9's on decent power can do the job and get it sounding nice at least to 30 hz. So I would sound dampen the flimsy aluminum rear deck of course before install. I've heard some issues with powerful speakers firing up into the rear window sounding really distorted so if someone can explain this to me and say my design is completely flawed please let me know. I think with a properly sound dampened vehicle this shouldn't be an issue tho and instead the rear window will act as a box for the 'subs' and give pretty good bass response. I see they don't make many 6x9 subs or even components nowadays so I may have to go old school but I don't mind. I've been reading into infinite baffle set ups but still a little confused on those as well so if anyone has some good knowledge or links on these give me a shout. 6x9's have the cone area of an 8" sub so it would be like having two 8's in the rear deck and if I can completely seal off the trunk (if thats possible) and then have each sub on 125-150 watts I think I could have some real boom out of a subless system. If you can't seal a trunk and the infinite baffle set up firing straight up into the rear windshield will sound like trash I thought about if you could put those little 6x9 boxes filled with polyfill right below, or even better custom fabricate a box out of mdf and mount it below the rear deck. Has this and can this be done? Thanks for all your info. And remember I am open to opinions, but this is my build and have certain expectations, and don't really want to hear some "why don't you just throw 3 sundown sa-12's in it and a sony amp" stupid ****. Thanks again. [/QUOTE]
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Coupe build. Preliminary questions. Noob but quality expert advice sought.
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