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post #1 of 27 (permalink) Old 08-11-2010, 07:55 PM Thread Starter
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new speakers and possible sub and amp

i have a kenwood headunit with (CD player with built-in amplifier (22 watts RMS/45 peak x 4 channels)

is the stereo powerful enough to run 4 5x7 speakers in my vert at a volume i can hear over the rude sounding exhaust, or top down on the highway? i assume not. so what kind, size amp is recommend to power those 4 5x7's? is there an amp that will will be able to power the 5x7's and a possible sub to be put in later? or would that require a separate amp? thanks everyone!


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post #2 of 27 (permalink) Old 08-11-2010, 08:20 PM
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This is what I have – and I would consider this to be a minimum for an adequately loud stereo for open top enjoyment.

I use an Alpine head unit (18 x 4 (?)) to drive the dash and door speakers. I use a separate 50 watt amp for the rear (5 x 7’s). Under the passenger seat I have a (very) small powered sub. Don’t laugh… it makes a big difference. Plenty loud enough for us old white people.
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post #3 of 27 (permalink) Old 08-11-2010, 08:24 PM
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you can find a 5 channel that will do all that. as long as your not wanting something to extreme a 5 chn will work. something like this [Kenwood Excelon KAC-X650D 5-Channel ] if you want to keep it all kenwood if not there are better out there.
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post #4 of 27 (permalink) Old 08-12-2010, 10:32 AM
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How much money are you wanting to spend? Depending on that you can either go with a 4 or 2 channel amp now and add a sub amp later or later upgrade to a quality 5 channel amp. I started with a used 2 channel amp to get me started and later upgraded that to another amp with a separate amp to run the sub. I upgraded my amplifiers at least 3 or 4 times more before I got it right. Eventually I got tired of buying amps because they would either break on me or I wasn't happy with the performance. I eventually got a JL Audio 500/5 which is a 5 channel amp and I've been really happy with it. I've actually got two of them, one in my truck and one for Mustang.

Talk to EW. If I would have just did it right the first time I would have paid more initially but saved money in the long run.




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post #5 of 27 (permalink) Old 08-12-2010, 11:12 AM Thread Starter
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jose, i dont really want to spend too much. i think i want to buy 4 new 5x7's and an amp for them first. how big of an amp would i need or does that depend on the speakers? obviously i know nothing about this. ideally i would like to stay under $100 per pair of 5x7's. i have no idea what size/kind of amp would be needed for those. does 2 channel mean they will power 2 speakers, and 4 means4?

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post #6 of 27 (permalink) Old 08-12-2010, 11:18 AM
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Don't use head unit power.

A nice setup would be a JL 300/4 on your 5x7s and a 500/1 on a pair of 12s.

If you want to stay cheap buy used and take your chances.

If you're going to spend anything, you might as well spend enough to put a smile on your face, or it just isn't worth it.
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post #7 of 27 (permalink) Old 08-12-2010, 01:13 PM Thread Starter
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Don't use head unit power.

A nice setup would be a JL 300/4 on your 5x7s and a 500/1 on a pair of 12s.

If you want to stay cheap buy used and take your chances.

If you're going to spend anything, you might as well spend enough to put a smile on your face, or it just isn't worth it.

what wattage or whatever speakers would an amp of that size need?

god bless.

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post #8 of 27 (permalink) Old 08-12-2010, 01:20 PM
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Quote:
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jose, i dont really want to spend too much. i think i want to buy 4 new 5x7's and an amp for them first. how big of an amp would i need or does that depend on the speakers? obviously i know nothing about this. ideally i would like to stay under $100 per pair of 5x7's. i have no idea what size/kind of amp would be needed for those. does 2 channel mean they will power 2 speakers, and 4 means4?

god bless.
That's cool man and you can always upgrade later. Basically 2 channels means you only have left and right. 4 channel gives you more controls, you can fade back to front as well as left to right. Say your front speakers aren't very load and you can hear the rears more can adjust the fade to equal out the sound. That's the most basic way I can explain it. Pretty much any factory system I've ever seen offer fade left to right and balance front to back using a 4 channel amp.

Honestly I would talk to EW and get some recommendations from him. I'm pretty sure they offer a layaway (I've used it when I bought both my DVD screens from him and other stuff). I'd talk to him about what you want and the budget you are wanting to spend and see what he says. If it goes over you budget pay it off over a couple or a few weeks. Better to get something you are going to enjoy than get something that's not going to be as good as you wanted and have to live with it.

Quote:
Originally Posted by jluv View Post
Don't use head unit power.

A nice setup would be a JL 300/4 on your 5x7s and a 500/1 on a pair of 12s.

If you want to stay cheap buy used and take your chances.

If you're going to spend anything, you might as well spend enough to put a smile on your face, or it just isn't worth it.
I agree about not using the power off of a head unit and would recommend going with a small amp instead. I bought a JVC head unit that has an HD Radio for my dad's truck and replaced all the speakers and powered them off of the radio and really don't like the sound. Not sure if it's because of the quality of the components I choose but even the factory stereo in my Lincoln MKZ sounds better.

I'm pretty sure the JL amps will be above his budget. Buying used you will definitely take your chances. I upgraded at least 3 times and it was always almost because I burned up an amp. Some of the amps weren't cheap either I would have been better off buying quality stuff to begin with and would have saved money over the long run. The JL Amps have been rock solid.




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post #9 of 27 (permalink) Old 08-12-2010, 03:23 PM
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You will have to run an amp to hear the speakers above the road/wind noise and not destroy the speakers. jluv is killing the budget for sure. There are ways to make it sound decent on a budget. 50x2 is good. 80x2 is better. You don't need a 4 channel to run 2 pair of 5x7. If you selected a 4ch amp, you could use 1/2 on the sub but it would be weaker than a dedicated sub amp. A sub will make it sound much better but will add to the cost of the system. 5 channel amps are nice but I would run a large 2 or 4 channel or two amps in that car depending upon budget.

Last edited by EW; 08-12-2010 at 03:32 PM.
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post #10 of 27 (permalink) Old 08-12-2010, 05:39 PM
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jluv is killing the budget for sure.
Ah come on. I suggested a cute little starter system.
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post #11 of 27 (permalink) Old 08-13-2010, 11:59 AM
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What ever you do do not buy used speakers. get four channel amp wne your ready for the sub get the mono amp.
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post #12 of 27 (permalink) Old 08-13-2010, 12:04 PM
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What ever you do do not buy used speakers. get four channel amp wne your ready for the sub get the mono amp.

Buying used can be okay if you trust the peron you're buying from.

I've sold good stuff dirt cheap when I've upgraded to better stuff. I've also bought used in the past from friends I trusted, and I had heard the gear in action.

But without those circumstances, you're right - it's a bad idea.
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post #13 of 27 (permalink) Old 08-14-2010, 06:12 PM
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Nothing wrong with buying used equipment if you know who you are buying from. Unfortunately the used amps I bought didn't last very long




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post #14 of 27 (permalink) Old 08-14-2010, 08:48 PM
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amps really dont have a life span speakers do and the more you abuse them the shorter it is especially if they are run underpower and volume really high.
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post #15 of 27 (permalink) Old 08-14-2010, 08:52 PM
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post #16 of 27 (permalink) Old 08-15-2010, 02:21 PM
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amps really dont have a life span speakers do and the more you abuse them the shorter it is especially if they are run underpower and volume really high.
Well don't tell that to the 4 amplifiers I had that shorted out. Sure they do not necessarily deteriorate like a speaker does but like anything electronic they can fail. Just saying, buying a used amplifier without know it's history (like anything else) might not be a wise choice.




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post #17 of 27 (permalink) Old 08-16-2010, 07:11 AM
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amps really dont have a life span speakers do and the more you abuse them the shorter it is especially if they are run underpower and volume really high.
Amps wear out, too. In the past 15 years, I've gone through plenty of both.
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post #18 of 27 (permalink) Old 08-16-2010, 07:22 AM
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post #19 of 27 (permalink) Old 08-16-2010, 07:37 PM
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if you use the correct wiring and properly ground and dont over load them . there should be no issue. unless its a cheap amp. i still have my infinity 1211a for about 6 years now still working no issue subs not so well.

Last edited by RZ5.0; 08-16-2010 at 07:46 PM.
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post #20 of 27 (permalink) Old 08-16-2010, 07:39 PM
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One born every minute.
great input
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post #21 of 27 (permalink) Old 08-17-2010, 11:51 AM
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if you use the correct wiring and properly ground and dont over load them . there should be no issue. unless its a cheap amp. i still have my infinity 1211a for about 6 years now still working no issue subs not so well.
6 years isn't really that long for decent equipment that is well taken care of, be it subs, components, amps, etc. Eventually they all take a dump, though.
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post #22 of 27 (permalink) Old 08-17-2010, 01:50 PM
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in my trans am i have a jl 500/1 hooked up to 2 kicker comp vr 10's in a sealed box, and a alpine v12 4 channel amp powering focal speakers if you want me to swing it by so you can hear it.

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post #23 of 27 (permalink) Old 08-17-2010, 02:14 PM
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in my trans am i have a jl 500/1 hooked up to 2 kicker comp vr 10's in a sealed box, and a alpine v12 4 channel amp powering focal speakers if you want me to swing it by so you can hear it.
I'm sure the JL 500/1 alone is above his budget.




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post #24 of 27 (permalink) Old 08-17-2010, 02:33 PM
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check out the memphis amps
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post #25 of 27 (permalink) Old 08-17-2010, 04:44 PM
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Look into Hertz speakers and Audiopipe amps. I've seen a lot of people run these parts and they aren't very expensive. I bought a set of 5-1/4 Orion components on eBay for $40 new. They sound plenty good for an overall loud car.

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post #26 of 27 (permalink) Old 08-18-2010, 11:28 AM
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I'm sure the JL 500/1 alone is above his budget.
lol im sure his old lady will give him the credit card to get one.

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post #27 of 27 (permalink) Old 08-18-2010, 11:51 AM
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He should by my box and subs.

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