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Reload Thread: JL HD amps

  1. #1
    Blinkdogo2's Avatar
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    JL HD amps

    not a detailed review,,, its in my friends car and after the day he got it put in by the shop we all jammed out in it, and this is what i have to say

    not clear at high volumes
    get very hot
    good at normal to sorta loud volumes

    application
    the 675/1 or sumtn like that with the matching 4 chan
    running a 13 w6
    and running a set of comp 6.5 C5 and comp 6.5ZR

    very dissapointed
    the mono kept blowing 50 amp fuses ,, so much for them not drawing much current. and the sub sounded like ****,, i think cuz the box wasnt good. but it sounded under powered
    u couldnt rest ur hand on the amps long or ud be in sum major pain

    as far as crossovers i couldnt see how it was set cuz half the amp was hidden



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    Re: JL HD amps

    Man that ain't good, no to mentioned the price of those things. The cheapest one is close to 500 bucks, i'll just stick to my old A series.




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    Re: JL HD amps

    watch out for fire on a few of the amps as jl has issued a recall on the 750/1 i believe and the marine one.




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    Re: JL HD amps

    yep my friend was recently called by the audio shop to come and exchange his jl hd amps for the new ones. so for people buying hd amps off the internet, i hope ur gettn the newer versions



    sold to references- vitveet , Valter,RedZ_NeWbIe *GQ* , 2000LaDe

    i stopped keepn track of references
    bought from references- CRXBMPN , Flipx99, gymfreak101,ssackett,qcsfinest704 , bball09124 , bchockey097, redcalimp5, Here-I-Come

    selling all my stuff
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    check my recent threads
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  5. #5
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    Re: JL HD amps

    whats the newer version/version number?

    i just bought a HD 900/5, but I got it from a local shop.



    06 Acura TL, HU: Factory, Processor: RF 3sixty.2, Tweeters: Seas Neo Aluminum, Mids: Seas W16nx, Amp: JL HD900/5, Subs: Soon to be SI BM MKIVs when available.

    WTB: SI BM MKIIIs!!!!

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    Re: JL HD amps

    Ya my buddy has one of these in his tahoe and it does get HOT!!! As far as performance i thought it powered the speakers well, but i also thought the sub seemed a bit underpowered. Then again my buddy had it in a small fiberglass box probably not built to spec.



    2003 Acura RSX Type S
    Head Unit - Alpine iDA-X200 (USB Ipod Control)
    Front Speakers - Image Dynamics Ctx65cs
    Rear Speakers - Pioneer TS A1674R
    Subwoofers - Alpine Type-R Subs
    Sub Amplifier - Xtant x1001
    Speaker Amplifier - Linear Power 952 X 2
    Processor - Rockford Fosgate (rfq5000), Alpine Pxa-H100

  7. #7
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    Re: JL HD amps

    I heard a HD 750/1 on a soundstream 18" XXX and it was loud!!! lol... I touched the amp and it wasn't hot...just warm




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    Re: JL HD amps

    sounds like the amp wasn't getting proper voltage if it was blowing fuses




  9. #9
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    Re: JL HD amps

    Sounds like bad install/box specs.

    I heard a Car Toy's Employee Demo car running these amps and it sounded amazing at very high volume levels.

    If you are blowing fuses then there is something wrong with the install and or your friends grounds.



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    Re: JL HD amps

    I will have to say the problem is in the install. We have had nothing but good luck out of all the HD amps we have sold at our shop. The 750/1 is a great amp, strong, and does get warm but not hot.




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    Re: JL HD amps

    Quote Originally Posted by cjj2d View Post
    whats the newer version/version number?

    i just bought a HD 900/5, but I got it from a local shop.
    The recall only affected the 750/1




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    Re: JL HD amps

    i had 3 of the jl hd 750/1 and the 6004 never got hot and it was in a boat one of the 750/1 was on a jl 12w7 and it sounded good i would hammer this system for 6 to 8 hrs at a time never had a problem with the amps and that was seating still at party cove in the texas heat




  13. #13
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    Re: JL HD amps

    I have the 750/1 and am very very happy with it. Does not get hot to the touch in my car, and it pounds for days. I am about to purchase the 600/4 model to replace my XD400/4 one.




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    Re: JL HD amps

    I have a new HD900/5 and it gets hotter than ell just playing at normal volumes and I'm only using 3 of the channels.It even gets pretty warm while its not even playing.It is under the passenger seat of my pickup,but isn't blocked in any way.I'm going to make a small,fully exposed amp rack,elevating the amp 3/4" on rails,before resorting to a fan assist though. It powers my speakers great,with plenty of sub power to the SWR1223.




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    Re: JL HD amps

    want to add another 13 w6 to your ride?




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