Closed Thread
Results 1 to 2 of 2

Reload Thread: Clarion DPX11500

  1. #1
    Canaan's Avatar
    Canaan is offline Beatin' the block down



    Join Date
    Mar 2006
    Location
    Monroe, Louisiana
    Posts
    1,491
    Post Thanks / Like
    Mentioned
    3 Post(s)

    Clarion DPX11500

    Well...I'll start w/ this first off:

    OUR SOUND BOARDS CHARGING SYSTEM IS LACKING!!!
    -46A power supply
    -Optima d34 batt
    -Horrible Voltage Drops!!! (~10.5v!!!)

    We are making a HUGE upgrade when when move everything into the sound room. Prolly 2 Kinetik 2000's or 2400's...and an 85A power supply.

    Ok...Here is what I come up with

    Clarion DPX11500:
    Rated 1500w @ 1 and 2ohm @ 14.4V (Remember this, it will be very important later!!!)

    Tested at 1ohm DCR w/ 2 Clarion PXW12's

    50hz:
    46.6V x 23.2A = 1081.21w @ 2.01ohm reactive
    Current draw: 152.1Adc
    Voltage Dropped to 10.23Vdc!!!

    Power Draw: 1556W >>>>> 69.5% Efficient


    60hz:
    43.9V x 25.0A = 1097.5w @ 1.756ohm reactive
    Current draw: 146.2Adc
    Voltage Dropped to 10.68Vdc!!!

    Power draw: 1561.4W >>>>> 70.3% Efficient

    DO NOT DRAW CONCLUSION RIGHT NOW...KEEP READING!!!

    Now...Look at like this:

    This amp was seeing 10.46Vdc (on average) on burp. So...If they maintain 69.9% efficiency at 14.4V and continue to draw 149.15A (on average) they will produce ~1501.28W @ ~1.75-2ohm reactive.

    I'm going to go out on a limb here not and say this:

    I feel that this amp will be more efficient than ~70% w/ a better charging system (batts). The amp was only powered by 1 yellow-top and a 46A power supply...and the wire from the batt to the amp was Audio Pipe 4ga (prolly ~5-6ga really).

    I'm willing to bet that our screwy voltage drop really hurt efficiency. If given say 2 batts and 1/0ga power/grd...I would say this amp could easily be 75-80% efficient. Those #'s are more than reasonable for todays Class-D amps.

    Saying this...Look at these calculations:

    13.8Vdc x 149A = 2056.2w drawn

    At 78% efficiency that's 1603.84W!!!
    (Hell at 75% its 1524.15W)

    Now, lets put that into context.
    Here is what a DD M1A did on our sound wall w/ the same charging and same subs.



    DD M1A:

    60hz
    34V x 18.2A = 618.8w @ 1.87ohm reactive
    Current draw: 72.1Adc
    Voltage Dropped to 11.3Vdc

    Power Draw: 814.73w >>>>> 75.95% efficient

    Using the same 13.8V forula as before:

    72Adc x 13.8V = 993.6 drawn

    At 75% efficiency that's 745.2w...which is more that reasonable for the M1A.


    So, I'm and going to stand by my original words and say this:

    The Clarion DPX11500 will produce rated power and sounds great. It easily over powers our Autotek mm1400.1d on the sound board. But like w/ any 12V audio system, you have to be able to supply it w/ the current it needs!


    ***These tests were done listening for clipping by ear...I will most likely retry when I get my O-scope and we move everything to the sound room (w/ better charging system).

    /review



    Canaan White...'04 Avalanche
    HU Eclipse 7200MkII
    AMPS DD C4a(front active), 2 DD M2B
    SPEAKERS (Front) DD AT28, DD VO-M65
    SUBS...SOMETHING LOUD SOON!!?
    WIRES XSCORPION
    TEAM SOUTH

    Desiard Street Pawn and Car Audio, Monroe, La...XScorpion and DD Audio Dealer.
    Shop Phone 318-343-8283




  2. #2
    IMOVeCHICKENS!'s Avatar
    IMOVeCHICKENS! is offline Firtyfwe here ngz



    Join Date
    Apr 2009
    Location
    727 FLA
    Posts
    1,371
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Clarion DPX11500

    thank you amigo for this review ima love strapping these amps at 1ohm



    TL SCORE-142.0 sealed box 2 15, AA chaos,saz1500d on music legal
    -Current set up----------------Digital Designs 9515g ///
    -----------------------------------saz1500dx2 soon to be strapped at 1 ohm
    -----------------------------------crunch1000.2 on AB SQ6Bs
    ------------------------------------DC POWER 270xp for the "rolla" waiting one one tiny bracket
    Quote Originally Posted by SicAudio View Post
    stupid nigger shoulda been smart enough not to have the shit in his car un-attended
    ---------MAXXSONICS_FTMFW------------
    Sold too=kickerman09x2 Bought from=Galacticmonkeyx2, sundownz, 350zpsl, retroaudioinc, zade08, SWFL, amartin_72, kickerman09,waggsmcgee,jpd2621

Closed Thread

Posting Permissions

  • You may not post new threads
  • You may post replies
  • You may not post attachments
  • You may edit your posts

1e2 Forum