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  1. #1
    Join Date
    Jun 2008
    Location
    Novi, MI
    Posts
    87

    Default HELP!!! I bought new tower speakers and an amp...now what?

    I have a 2005 Moomba Möbius LSV. My son just got a summer internship working for Harman just in time to qualify for their bi-annual sale at some ridiculous prices. Harman has access to quite a few companies that sell sound hardware. One of which is JBL. So, I decided to purchase a pair of tower speakers and an amp for my Moomba. Let me say that I have very little stereo knowledge and now feel that I might have bit off more than I can chew.

    They’re all by JBL products as follows:

    Speakers - 8” 150Wrms, 450W peak, 4 ohms
    Amp - 5 channel, 1800W peak

    I’m hoping it’s enough for a decent system.


    Now the problem. I didn’t realize what I was getting myself into. LOL. After receiving the goods I started looking into how to install them and came up with a bunch of questions. Some of which are:
    1) Can I connect this amp to my existing speakers and my new tower speakers? If not, how would the sound be if I only used the tower speakers? Or do I need a 2nd amp for my existing speakers?
    2) I need to purchase a new stereo unit that has blue tooth capability...and recommendations? I have a lot of CD’s also and wouldn’t mind being able to play them also. (I know, I know...old school here. LOL.)
    3) Can I do all this on one battery, or should I really have two? And it so, this will create a whole new list of questions like how to wire, switch/link, location, etc.
    4) What wire gauge for the speakers? I bought some 16 gauge, but after multiple searches it looks like I might need something heavier like 12 gauge?
    5) How and wear to mount the amp(s)?

    Anything you all can do to help guide me to completion will be greatly appreciated. And warm weather is due here in Michigan soon!

    Thanx!
    Moomba Dad
    Ausable Lake, MI

    2004 Mobius LSV

  2. #2
    Join Date
    Aug 2011
    Location
    Commerce Lake, MI
    Posts
    1,703

    Default

    Where are you in MI? I might be able to help.


    Sent from my iPhone using Tapatalk
    2017 Moomba Craz

  3. #3
    Join Date
    Jun 2008
    Location
    Novi, MI
    Posts
    87

    Default

    Quote Originally Posted by Stazi View Post
    Where are you in MI? I might be able to help.


    Sent from my iPhone using Tapatalk
    I live in Novi, but my Moomba is up North by Hale.
    Moomba Dad
    Ausable Lake, MI

    2004 Mobius LSV

  4. #4
    Join Date
    Aug 2011
    Location
    Commerce Lake, MI
    Posts
    1,703

    Default

    I’m in Commerce Twp. So super close.


    Sent from my iPhone using Tapatalk
    2017 Moomba Craz

  5. #5
    Join Date
    Jun 2008
    Location
    Novi, MI
    Posts
    87

    Default

    Quote Originally Posted by Stazi View Post
    I’m in Commerce Twp. So super close.


    Sent from my iPhone using Tapatalk
    Any advice would be appreciated.
    Moomba Dad
    Ausable Lake, MI

    2004 Mobius LSV

  6. #6
    Join Date
    Aug 2011
    Location
    Commerce Lake, MI
    Posts
    1,703

    Default

    Do you know what model amp it is?
    Sounds like it might have 4 channels and a sub channel which would be good for in boats and a sub. But it might work for towers.


    Sent from my iPhone using Tapatalk
    2017 Moomba Craz

  7. #7
    Join Date
    Jun 2008
    Location
    Novi, MI
    Posts
    87

    Default

    It’s a JBL Marine amp MA4505 w/ 5 channels.
    Moomba Dad
    Ausable Lake, MI

    2004 Mobius LSV

  8. #8
    Join Date
    Aug 2011
    Location
    Commerce Lake, MI
    Posts
    1,703

    Default

    Looks like you could run it bridges at 4Ωx2 and get 130W per channel. Should work.

    It’s really meant for the in boats and a sub but you could use it for the towers. Personally I’d use it for the in boats, add a sub and buy another amp to run the towers. Then you would have a fully kick ass sound system.


    Sent from my iPhone using Tapatalk
    2017 Moomba Craz

  9. #9
    Join Date
    Jun 2008
    Location
    Novi, MI
    Posts
    87

    Default

    Quote Originally Posted by Stazi View Post
    Looks like you could run it bridges at 4Ωx2 and get 130W per channel. Should work.

    It’s really meant for the in boats and a sub but you could use it for the towers. Personally I’d use it for the in boats, add a sub and buy another amp to run the towers. Then you would have a fully kick ass sound system.


    Sent from my iPhone using Tapatalk
    I’m not what “bridges at 4 x 2” means. I would prefer not to dump more money into it if I can. I would think these speakers and amp would be a HUGE improvement over what I have now...would you agree?
    Moomba Dad
    Ausable Lake, MI

    2004 Mobius LSV

  10. #10
    Join Date
    Aug 2011
    Location
    Commerce Lake, MI
    Posts
    1,703

    Default

    You could make it work. You just need someone who knows how to wire it up.

    If you get the boat back to Novi, let me know.


    Sent from my iPad using Tapatalk
    2017 Moomba Craz

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