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focal 165k2p x4 overkill?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=102887
Printed Date: May 15, 2024 at 3:43 PM


Topic: focal 165k2p x4 overkill?

Posted By: sleepystarz
Subject: focal 165k2p x4 overkill?
Date Posted: March 08, 2008 at 2:54 AM

Hello:)  First post here.  Just 2 things I was hoping to get feedback on.  Before going any further, I definately like SQ over SPL, just something to note.

1.  I have 2 sets of Focal 165K2P 6.5" components for a 2001 F150 crew (4 door).  One pair will go up front, one pair in the rear..

Just wondering if anybody thinks this will be overkill?  I'm just hoping adding the Focals to the rear might kill the front soundstage.  I could always have the rears play quieter or adjust somehow to offset it?  MB Quart PAB4100 100x4 will power them.

2.  Still need to purchase a sub and need to stick with just one as space is limited.  I'll be building a custom MDF box for it after finding out what dimensions it will need.  Power will be the MB Quart PAB 1200.1D  600x1 amp.

Looking for input on a good sub to match up with this system.  The mids / highs are going to be pretty loud and bright.  I'd like a sub that can put out the bass and keep up with the Focals but not too loud or overpowering.  Again, I do enjoy SQ over SPL.  Pretty much set on either a 12" or 15" since I'm stuck with using just one sub.

Thanks for any help!  Billy




Replies:

Posted By: sleepystarz
Date Posted: March 08, 2008 at 2:59 AM

One sub I've been considering is this one:

https://www.audiopulse.com/products/subwoofer-drivers/epic

Billy





Posted By: haemphyst
Date Posted: March 08, 2008 at 9:00 AM
Hi, Billy! Another SQ guy here, really... No, really... (That link is to a very lengthy thread discussing my system...)

1: ONE SET of Focals. Front doors only, and bi-amp them. You have 4 channels of amplification, use them all on the front stage, you'll be glad you did.

You are VERY right about the Focals being bright, TOO bright for me. This is why I am recommending a bi-amped setup for your front doors.

2: That Audiopulse driver is a SUPER driver. I have a pair on my car in an isobarik TL. For the money you're going to spend on that driver, I personally don't think you can go wrong AT ALL. 600 watts will be a perfect match for it, too. I'm running 1kW to the pair in my trunk, and they seem to have no issues at all with 500w RMS.

-------------
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."




Posted By: sleepystarz
Date Posted: March 08, 2008 at 5:10 PM

haemphyst - much obliged!  I'll have a read on your setup tomorrow.  I've already decided before checking back here for just one set up front, and have the 3way Focal K3P coming instead now.  They have the tweet, 1 6.5" midrange, 1 6.5" midbass...all going up front.  Midrange and tweeter in kickpanel, and midbass in door.  There are 2 sets of crossovers with this system (4 total).

Now what would you recommend for amping these?  They say 200rms, 400max.  I'm willing to switch my amp now too.  I BI-WIRED my home theatre rotel 1095 amp to my audiovector mi3 sig. towers and center channel, but that's completely different from BI-AMPING something, which I don't know much about.  Guessing you just use seperate channels for the mids and tweets on one pair of components, 4 channels total.  Could you suggest the ideal amp setup for these K3P Focal 3-ways? (number of channels, power).

Thanks again, I'll probably stick with the audiopulse 12" driver.

Billy





Posted By: sleepystarz
Date Posted: March 08, 2008 at 5:17 PM

posted_image





Posted By: sleepystarz
Date Posted: March 08, 2008 at 5:18 PM
^^^ Pictured above is just one side of the 3way setup incase anyone's confused.




Posted By: haemphyst
Date Posted: March 08, 2008 at 5:43 PM
sleepystarz wrote:

3way Focal K3P coming instead now. They have the tweet, 1 6.5" midrange, 1 6.5" midbass...all going up front. Midrange and tweeter in kickpanel, and midbass in door. There are 2 sets of crossovers with this system (4 total)

Ummm.... can't find that system on the Focal page... The three way systems they offer are in the Polyglass and the Be systems... Are you SURE that's what you have on the way?


NM... found em!... Further research ensuing...

-------------
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."




Posted By: haemphyst
Date Posted: March 08, 2008 at 5:55 PM
OK. It looks like you can bi-wire OR bi-amp those systems. I think that 4 channel that you have will do a fine job.

Two of the channels on the amp will go to the woofer set, the other two channels go to the mid/tweeter set. You will NOT daisychain the crossovers as indicated in the manual. That'll give you the desired 200WPC just more effectively and efficiently divided.

-------------
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."




Posted By: audiocableguy
Date Posted: March 08, 2008 at 9:19 PM
Remember if you do kickpanels, there is the fuel pump reset switch behind the passenger kick. You might need to get to it someday!




Posted By: sleepystarz
Date Posted: March 10, 2008 at 1:09 AM

haemphyst wrote:

OK. It looks like you can bi-wire OR bi-amp those systems. I think that 4 channel that you have will do a fine job.

Two of the channels on the amp will go to the woofer set, the other two channels go to the mid/tweeter set. You will NOT daisychain the crossovers as indicated in the manual. That'll give you the desired 200WPC just more effectively and efficiently divided.

Thanks a BUNCH, you've really narrowed it down for me.  I'll indeed remember to send two channels to the tweeter / midrange and 2 channels to the midbass drivers.  I'm also going to BI-WIRE the system (why not, it's only slightly more $$ in wires).  It worked great for my home stereo.

So about the crossovers, I assume just hook the crossovers up seperately.  One set for midrange / tweets and one set for midbass WITHOUT connecting the mid/tweet crossovers w/ the woofer crossover??

Been a great help!  I did a lot of searching but this has helped the most, thanks a lot.





Posted By: sleepystarz
Date Posted: March 10, 2008 at 1:13 AM

audiocableguy wrote:

Remember if you do kickpanels, there is the fuel pump reset switch behind the passenger kick. You might need to get to it someday!

Thanks for the heads up.  I'm ok with a little work so if needs be I'll dig back there :)






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