Which JL amp for my needs/ system?

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Old Jan 26, 2006 | 11:43 AM
  #1  
timmyjimmy5150's Avatar
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Which JL amp for my needs/ system?

Hey all...
I need some expert "amp" advice....
Here is what I currently have:
I have an F-150 SC with 4 sets of Boston component speakers in each door (a tweeter and a 5X7).... I also have a sub box under the "60" part of my rear seat with one JL sub in it. Pushing everything is: 1 JL 250/1 amp for the sub... This is fine for me.
The other amp is a JL 300/4 pushing the 4 sets of component speakers in each of the 4 doors.

NOW -- here is my question(s) ----
Would I be better off adding 1 more JL 300/4 amp (I'd have 2 total then) -
and having one 300 amp push 2 channels (the front door speakers) and have the other 300 push the other 2 channels (bridge each of the 2 amps)?

OR
Am I better off removing the 300/4 and installing a 450/4 to drive the 4 channels? What I don't get on the 450/4 is Channels 1 & 2 are 150 watts and channels 3 & 4 are 75 watts....? So my front speakers would be twice as powerful as my rear speakers? Wouldn't that sound out of balanced?

Now as it is I have 4 channels at 75 watts....

Any help appreciated for my Novice questions

thanks
TJ
 
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Old Jan 26, 2006 | 12:05 PM
  #2  
brypink2's Avatar
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Joined: Jul 2005
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From: Temecula, CA
Originally Posted by timmyjimmy5150
Hey all...
I need some expert "amp" advice....
Here is what I currently have:
I have an F-150 SC with 4 sets of Boston component speakers in each door (a tweeter and a 5X7).... I also have a sub box under the "60" part of my rear seat with one JL sub in it. Pushing everything is: 1 JL 250/1 amp for the sub... This is fine for me.
The other amp is a JL 300/4 pushing the 4 sets of component speakers in each of the 4 doors.

NOW -- here is my question(s) ----
Would I be better off adding 1 more JL 300/4 amp (I'd have 2 total then) -
and having one 300 amp push 2 channels (the front door speakers) and have the other 300 push the other 2 channels (bridge each of the 2 amps)?

OR
Am I better off removing the 300/4 and installing a 450/4 to drive the 4 channels? What I don't get on the 450/4 is Channels 1 & 2 are 150 watts and channels 3 & 4 are 75 watts....? So my front speakers would be twice as powerful as my rear speakers? Wouldn't that sound out of balanced?

Now as it is I have 4 channels at 75 watts....

Any help appreciated for my Novice questions

thanks
TJ
We need to know what BA components you are using. What is the RMS of those speakers. If they are ProSeries...they can handle gobs of power and I would say "yes"...get another amp and give them 150 watts RMS. I had this set-up in my last truck. 1 pair of ProSeries 6.5, 1 pair of ProSeries 5.5 up front. Both had their own 300/2. I also had a set of 5x7 rallys in the back running off the HU.

Don't worry about giving the rear speakers the same amount of power...they are mainly for "filler". Concentrate on the speakers up front. If they are the same speakers with the same amount of power, you want to fade a little more up front. This gives you a better sound stage.

Hope this helps.
 
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