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Old 07-30-2002, 11:49 PM   #1
Tracer
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Can my e30 handle 2 amps???? HELP!

Well I have two amps I have scheduled to be put in on friday.

Head Unit: Kenwood Excelon KDC-X459
Front Speakers- Kenwood Excelon 5.25 Coaxals
Front Door- Kenwood Excelon 1" Tweeters
Rear Deck- Kenwood Excelon 4way 6x9's
Trunk- Two MTX 12" 4000 Subs in Custom Ported Enclosure mad out of MDF.

First amp:

Xtant A4004 = 100x4 It is going to power all of my interior speakers.

Second Amp:

Xtant 121m With Bass Boost Module = 1 x 250 watts per channel @ 2 ohms

Question:

Will my car be able to handle having both amps? I am sure my lights will dim, but I dont know for sure. If they do guess I'll get a cap, but the main question is will my car be able to run both amps????

I am having everything put in on friday, including a viper alarm ($259 us dollars installed) and I hope it works!!!

Tracer

Last edited by Tracer; 07-30-2002 at 11:58 PM.
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Old 07-31-2002, 01:13 AM   #2
SickFinga
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yes your lights will dims even though it is not same window killer setup.
to get rid of that use bigger wires and capacitors
1 farad capacitor will do the job
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Old 07-31-2002, 01:30 AM   #3
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Dont worry too much, you cars electrical system should be able handle that system. I'm running 2 amps in my e30, the electricals holding out very good.

Only one time did the electrical system went crazy, it was because everthing was running at once, fogs, def, wipers, r. def, heater, h. seats and stereo. It made the check engine light go on for a sec.

Just install it and enjoy what you got.

BTW did you vent subs from the trunk into the car? I did and the trunk rattles alot. I now just sound deadened it and hope its alot quieter.
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Old 07-31-2002, 01:41 AM   #4
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Should I vent it some how? I need to figure out a good way. I may have the sound deadening material installed. I dunno tell me if it worked.

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Old 07-31-2002, 02:49 AM   #5
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you'll be fine...
along with what others said above
you might want to get a new battery as well if you like showing off your stuff...

get an optima yellow top deep cycle battery... the best your money can buy...

good luck with the install
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Old 07-31-2002, 07:45 AM   #6
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Your E30 will have no problem running these two amps. As stated above, use a 1 farad cap and a minimum of 4 guage wire. MAKE SURE THEY ARE GROUNDED WELL. Xtant are exelent amps if you install them properly. Use 4 guage ground no longer then 1 foot if possible. DO NOT GET OPTIMA YELLOW TOP BATTERIES. They are the worst waste of money that you can get. Save your money and get a Stinger or Lightning audio battery. I know because I used to sell Optima . I have had 2 out of 5 batteries come back because of problems. Go to my sounddomain page:
http://www.sounddomain.com/member_pa...BMW%203-Series
and go to page #2 to see.
Tracer - you will gain an extra 3Db if you port your box. I made my ports go from my box thru my rear deck and actually gained 7Db. That is like over doubling your amp power.
Good luck
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Last edited by Adriano; 07-31-2002 at 08:01 AM.
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Old 07-31-2002, 09:59 AM   #7
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really my bro have Yellow top optima for more than a year and he had not a single problem with it.
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Old 07-31-2002, 10:19 AM   #8
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Quote:
Originally posted by SickFinga
really my bro have Yellow top optima for more than a year and he had not a single problem with it.
Consider himself 2 out of 5 (very lucky). Like I said, I used to sell them so I know how bad they are. I killed 3 yellow tops in my BMW in less than 2 years and since have a Lightning audio dry cell for 2 years with no problem. Yellow tops are not tru 'deep cycle' batteries because after 3 cycles, they are good for shit. My LA battery has been cycled over 20 times with no loss in reserve time or power.
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Old 07-31-2002, 11:42 AM   #9
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My box is ported. I just need to figure out how to port my rear deck!! The bad thing is there is a lot of metal under the rear deck. My dad and I took that thing off along with the seats to do a custom install on some 6x9's, because you all know that it only comes with a 5.25" spot. I will talk to the guys at the stereo place I go to, they are pros. They just set a new world record last week for the 300watt class I believe with two Kicker L7 woofers, and only 300watts up to them!! I believe that the guy hit around 147db and that was at the pro circuit here in kansas city last week. I will double check with you on the exact totals. Then they have another guy who is only in the 400 watt class and he is going to probably hit 160db at the world finals and set a new world record also. He has two of the kicker L7 woofers in his TINY ass CRX!!! Well that is all, and thanks for the suggestions guys!!

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Old 07-31-2002, 10:56 PM   #10
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bump
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Old 07-31-2002, 11:03 PM   #11
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6x9's will fit in the rear deck with some cutting, but why bother, front stage is where its at

Port throught your ski hole (if you have one) its really easy to do, you can do it with your foot..
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Old 07-31-2002, 11:22 PM   #12
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SKI HOLE??????????????

I dont see any type of hole anywhere in the back of my car. And I already did the custum cutting for the 6x9's. They fit perfect with the risers i bought for them. They are much louder than 5.25's and I want it to be loud. I have nice speakers for the front also. I didnt go stingy anywhere on my system. The only place that could probably use a little work would be my subs/sub amp. But if I do something to that, it will be after I get my body kit and paint job and wheels. I plan on having that all done by graduation in May. Dad says he will buy my wheels and tires. I will have the money for the paint job and the body kit install by then, and will just have it all put on at once. I will be gettin phat cash from my grandparents, and with that I am having a black leather interior put into my car. THEN THE ENGINE!!!!!!


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Old 08-01-2002, 01:32 AM   #13
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in your rear seat is there a folding down arm rest?
if so is there a metal plate blocking it from going into the trunk?

If so take your dominant had or foot and hit it till it comes out. Instant port into your trunk, its pre cut so it comes out easy.

What I ment about the 6x9's is that you want the magority of your sound ciming from the front, if your 6x9's over power your font stage that is wack, when you go to a concert do you sit backwards?

Rear speakers are mainly for passengers, shit I don't even have any
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Old 08-01-2002, 02:32 AM   #14
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No fold down arm rest in a E30. If you remove the back seat, there is a "knockout" for what appears to be a ski hole.

Vent the sound by cutting a hole through the rear deck. You should dampen the metal on rear deck, behind the rear seat, trunk lid, the metal behind the licence plate and the plate itself to help eliminate any vibrations.

Running a cap will help your system out. Get a Interstate battery, they're not that expensive and they do make good batteries.

4 guage wire will work fine, the battery in a E30 is in the trunk, unless you have a cabriolet, therefore the length of power wire will be short.

p.s. Sound deadened the trunk lid, the licence plate and the metal behind it last night, alot less rattling, its not 100% eliminated but its a VERY big improvement.
Going to deaden the rest of the car in the next few days.
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Old 08-01-2002, 12:12 PM   #15
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BMW BMXer:

Please learn to type. Do the everyone a favor, and take a keyboarding class at school. Learn where home row is, and please learn to speak English better.

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