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  1. #1
    Join Date
    Sep 2009
    Location
    Kalamazoo, MI
    Posts
    48

    Default Help me get the right amp.

    I am going to order 6 polk db651 to replace my kickers in my obv 08. I have the stock amp, but I think I need to purchase a better amp. I am doing my audio system in stages. Replace boat speakers, add sub, add tower speakers. I figure each stage will require another amp.
    Thanks for the help.
    2008 Outback V Black & White

  2. #2
    Join Date
    Jul 2009
    Location
    Fort Worth, TX
    Posts
    1,027

    Default

    I'm curious about this too. It seems most people use a 4 channel amp for the six inboat speakers but why not use a 6 channel amp like the jl audio g6600.
    -2012 Supra 21v
    Wetsounds Rev10's, Wetsounds SYN 4, Wetsounds XS-12, Alpine MRP-M500,
    JL Audio JX360/4, Polk MM651 Interiors
    -2008 Mobius LSV

  3. #3
    Join Date
    May 2009
    Location
    Carlton Oregon
    Posts
    6,063

    Default

    There is no reason not to use the JL Audio 6channel amp. As a matter a fact Al Cab has been using one and pretty much swears by it. I cant recall if he has replaced it yet with a 4 channel but i doubt it even though im pushing him too LOL.

    The main reason why i don't like the 6 channel amps is Power output.

    You really dont need the Bow speakers to be as loud as the cabins. Also this amp is pretty big and takes a lot of room in a room limited environment.

    You are also limited to 75 watts of power at 4 ohms.

    You can get a lot more powerful 4 channels for the same price and run the bow speakers off 4ohms and then piggy back the cabins as 2 ohms and get a lot more power out of the amp.

    Ultimately its up to you as the owner but that's why i prefer the 4channels over 6.
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    Exile ZLD
    6 SX65M Cabins
    6 XM9 Towers
    1 XI Big 15 Woofer in a custom Fiberglass box
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  4. #4
    Join Date
    Jul 2009
    Location
    Fort Worth, TX
    Posts
    1,027

    Default

    That makes complete sense, I have noticed the six channels were pricey for not that much output per channel. What amp do you have powering your 6 exiles the 800.4?
    -2012 Supra 21v
    Wetsounds Rev10's, Wetsounds SYN 4, Wetsounds XS-12, Alpine MRP-M500,
    JL Audio JX360/4, Polk MM651 Interiors
    -2008 Mobius LSV

  5. #5
    Join Date
    May 2009
    Location
    Carlton Oregon
    Posts
    6,063

    Default

    Yea i got the 800.4 on it and have the gain turned down a bit on the bow speakers as 200 is a ton of power. The rear cabins though sound amazing and they really crank
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    Exile ZLD
    6 SX65M Cabins
    6 XM9 Towers
    1 XI Big 15 Woofer in a custom Fiberglass box
    1 XI 1K Harpoon
    2 XI 800.4
    1 XI 2500.1
    2 Interstate 2400U 6V Golf Cart Batterties
    Custom 1 Off Evolution Cover

  6. #6
    Join Date
    Jan 2008
    Location
    Tallahassee, FL
    Posts
    11,389

    Default

    Just me but I would change the order-- get the sub first. The Kicker ones aren't that bad if you run them hi pass and add the sub. They will be more efficient and sound pretty good. You will need a new amp or at least a sub amp. I run a 5 channel Infinity amp. I'd get some other opinions about this.

    This assumes you have the same Kicker ones I do. They look like this:

    http://cgi.ebay.com/KICKER-KM620-6-M...item4cf4efd796

    I keep hoping Phil will kick in his .02 on these as these speakers get hammered on here all the time. Or does his silence on this speak volumes?

    Here's one installer's take on these:

    http://forums.wakeboarder.com/viewtopic.php?t=81735
    Last edited by kaneboats; 02-08-2011 at 11:23 PM.
    My Mom said I'm not allowed to get wet!
    2008 LSV
    2000 Outback LS (sold)
    Exile Tunes
    PWI
    LLTR!!!!!!!!



  7. #7
    Join Date
    Jan 2008
    Location
    Keuka Lake, NY
    Posts
    5,985

    Default

    Quote Originally Posted by bzubke1 View Post
    I'm curious about this too. It seems most people use a 4 channel amp for the six inboat speakers but why not use a 6 channel amp like the jl audio g6600.
    I have the jl m6600 and run the bows off channel 1,2. Cabins 3,4 series wired, sub bridged 5,6. Works great and sound is clean. Some like more sub power and get a separate sub amp and run individual wires to the cabins for all 6 separate channels. Al did that in his setup... You can run a 4 channel no problem as long as it's power matched.
    A Day at the Lake...Priceless
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    Joe V
    2012 Möbius XLV~ Loaded & Exiled
    2007 Outback V ~ sold

  8. #8
    Join Date
    Jul 2009
    Location
    Fort Worth, TX
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    Default

    Quote Originally Posted by mmandley View Post
    Yea i got the 800.4 on it and have the gain turned down a bit on the bow speakers as 200 is a ton of power. The rear cabins though sound amazing and they really crank
    So with your set up you have the 2 bow speakers running of two channels, and the 4 cabin speakers running off the other two channels.

    The bow speakers are getting 200watts at 4ohms?
    The cabin speakers are getting 100 watts a piece at 2 ohms?

    Is this right?
    -2012 Supra 21v
    Wetsounds Rev10's, Wetsounds SYN 4, Wetsounds XS-12, Alpine MRP-M500,
    JL Audio JX360/4, Polk MM651 Interiors
    -2008 Mobius LSV

  9. #9
    Join Date
    Jul 2008
    Location
    Des Moines, IA
    Posts
    2,633

    Default

    Quote Originally Posted by kaneboats View Post
    Just me but I would change the order-- get the sub first. The Kicker ones aren't that bad if you run them hi pass and add the sub. They will be more efficient and sound pretty good.
    That would be my approach too.

  10. #10
    Join Date
    Jul 2009
    Location
    Fort Worth, TX
    Posts
    1,027

    Default

    I would go sub first too I still have the kickers they sound good to me.
    -2012 Supra 21v
    Wetsounds Rev10's, Wetsounds SYN 4, Wetsounds XS-12, Alpine MRP-M500,
    JL Audio JX360/4, Polk MM651 Interiors
    -2008 Mobius LSV

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