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First Build, Help Please

Old 03-10-2014, 03:19 PM
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First Build, Help Please

I am going to do a build for a 2000 Chevrolet Silverado. I am going to put a single Sundown SA12 under the rear seat. I am going to have a do a custom box build, which I have all of the dimensions for. I plan to use 5/8 MDF. The sub will be downfiring with a 1" lip on the bottom of the box to keep the face of the SA12 off of the floor. I am going to have to use 2" seat spacers for space. I have a few questions which I would love to get answered as they are holding me back greatly. I will be as specific as possible to what I am trying to ask.

1. What size should my port be? I will attach a crude picture of the dimensions of the front face of the box.

2. Should I buy a 2 or 4 DVC SA12, if I run only a single sub?

3. With #2 answered, which amp should I run? I would like to run 1200 watts and still keep the amp cool, of course.

4. What components would you recommend for a decent price? I would prefer to stay away from an external amp, I would just like to power them off of my head unit. I am open to ideas for a good price, though. I have two 6.5" in the front and two 4x6 in the rear.
Here is what I have to work with:
1999-2002 Chevrolet Silverado 1500 Extended Cab Car Audio Profile

Thanks!
Brad
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Old 03-10-2014, 04:58 PM
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dual 2 ohm speaker would allow you to run either 1 or 4 ohm , were as a dual 4 would be 2 ohm , it will come down to what your amp is capable of doing , if your amps 1 ohm stable I would suggest the dual 2 for optimum performance , so that being said look for a 1200 at 1 ohm amp , otherwise if you went with a dual 4 you would need 1200 at 2 ohm amp



as for the box the one thing you need to research is will that sub fit the specs of the space you have , check to see if youll have enough depth to properlly mount , and still have enough port area


i see alot of guys run the super slim subs that allows them to still keep the back seat , and allows for enough port area


similar to this



https://www.google.ca/search?q=2000+...l%3B1023%3B515
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Old 03-11-2014, 02:14 PM
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Originally Posted by luke99 View Post
dual 2 ohm speaker would allow you to run either 1 or 4 ohm , were as a dual 4 would be 2 ohm , it will come down to what your amp is capable of doing , if your amps 1 ohm stable I would suggest the dual 2 for optimum performance , so that being said look for a 1200 at 1 ohm amp , otherwise if you went with a dual 4 you would need 1200 at 2 ohm amp



as for the box the one thing you need to research is will that sub fit the specs of the space you have , check to see if youll have enough depth to properlly mount , and still have enough port area


i see alot of guys run the super slim subs that allows them to still keep the back seat , and allows for enough port area


similar to this



https://www.google.ca/search?q=2000+...l%3B1023%3B515
Thanks! I am going to have 7" mounting depth for the box, and the sub needs 6.5", so I'll be cutting it close. I will still have enough port area, I just won't be able to channel the port behind the sub. That is alright, correct?

Another question.. Is running 1200 watts at 1 ohm on a 1200 watt amp going to cause the amp to get hot at all? I remember hearing something like that, and I would love for that question to be cleared up as it would make it much easier for me to choose my amp. Thanks again!

Last edited by bradh; 03-11-2014 at 02:17 PM.
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Old 03-11-2014, 04:51 PM
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box should be fine ive seen alot of guys do that with good results , especially with 1 sub that will free up space inside the enclosure that will allow airflow vrs having 2 subs in a confined space

as for the amp I would do the big 3 under the hood , possibly upgrade the battery under the hood that will allow you to run at optimum performance without any issues , 4 gauge would be suitable for this application
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Old 03-12-2014, 07:25 PM
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Originally Posted by luke99 View Post
box should be fine ive seen alot of guys do that with good results , especially with 1 sub that will free up space inside the enclosure that will allow airflow vrs having 2 subs in a confined space

as for the amp I would do the big 3 under the hood , possibly upgrade the battery under the hood that will allow you to run at optimum performance without any issues , 4 gauge would be suitable for this application
Do you have any specific suggestions on the battery?

I was looking for 0 gauge just to be comfortable. What specific amp would you suggest so that I can get a steady 1200 watts @ 1 ohm without any heating or other problems?

Thanks a lot for your help, it's much appreciated.
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Old 03-12-2014, 08:19 PM
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I would suggest an xs power d 3400 fits most oem aplications great for the price , sonic has free shipping on their batterys to for the US

you got a pm for the amp and wire suggestions !
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Old 03-13-2014, 12:00 AM
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Judging from your box design it looks like 2 8"s would be a better fit for the airspace.
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Old 03-13-2014, 03:04 PM
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Originally Posted by gramser57 View Post
Judging from your box design it looks like 2 8"s would be a better fit for the airspace.
The box design is only posted for the air space I have to work with. My design is going to be entirely different, and i will have enough air space to run at least a single 12.
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Old 03-13-2014, 03:04 PM
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I would like to have a few amp suggestions to run a single SA12 @ 1200w. Thanks!
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Old 03-13-2014, 06:46 PM
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mark has a skar 1200 watt amp forsale would be a good fit for your setup
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