Question about Kicker Solo-Baric L7 S15L72 Car Subwoofer

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Subwoofer i have a kicker L7 15inch woofer..im trying to wire it up in my box and amp..i already have a woofer in there but i cannot get the woofer to work..i looked at the wiring that crutchfield had said but it will not work...i have a MA audio 1000watt mono block amp.. when i wire it up the protect light comes on in my amp..is the sub just blown?

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  • yeahonda Oct 16, 2007

    i did that and it did the same thing...goes right into protect mode..the amp is a 1000 watt amp..

  • shhhat Mar 24, 2009

    i have the same problem when i hook up my kicker l7

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Hi yeahonda,

 

Your Kicker L7 Ohms may be too low for the MA Audio Mono block amp. The MA Audio Amp is probably 2 Ohm Stable. The kicker will either be 2 ohm or 4 ohm Dual voice coil.   To eliminate the low ohms as a possible threat to causing the map to go into Protect, Wire the kicker Voice Coils in Series.  This adds the ohms, so that you either have 4 or 8 ohms. 

I am using the following codes to show wiring. VC1+ stands for the Kicker  Subs Voice Coil #1 Postive post. AO+ is the MA audio Amp output positive.

 

AO+ to VC1+

VC1- to VC2+

VC2- to AO-

 

This shopuld give you 4 or 8 ohm depending on the 15" L7 setup.  Crutchfield does not carry the Kicker  L7 in 15" They do  have the L5 in 15".

 

If you know how to read a Volt Ohm Meter, set it to OHMs 20 and measure across VC1+ to VC1- and you should see between 1.5 and 5 ohms..  Do the Same with VC2+ to VC2-.  you should see the same voltage. Also read from the Voice coil metal housing to VC1+ , VC1-, VC2+, and VC2-. and you should not read any ohmage to the case. The meter should say OL, or -1.

Good luck. 

Posted on Oct 15, 2007

  • Greg Stokes
    Greg Stokes Oct 16, 2007

    HI Yeahonda,



     



    Did you test the speaker with a volt ohm meter like I proposed in the first comment. Disconnect the speaker from the amp and see if the amp goes into Protect mode even without a speaker attached. Then wire in to one Voice coil at a time. To see if it is going into protect mode.  The coil that causes Protect mode is shorted.



     



    The hooks are as follows




    1. no speaker wires attached to the amp. Does the amp go into prtect mode? .  If it does, your amp has a problem.

    2. AO+ to VC1+, and AO- to VC1-.  Does this put the amp into Protect mode?  If so, VC1 is short, get you a new speaker. If not, go to step 3.

    3. AO+ to VC2+, and AO- to VC2-  Dopes this put the amp in protect mode?  If yes, VC2 is shorted, and you will need to get another speaker. If not go to step 4

    4. AO+ to VC1+, VC1- to VC2-, AO- to VC2+.  Now this is checking to see if you have a factory fault like the Voice coils have been bucking each other.  This is backwards on purpose.  Does this put you Amp in Protect mode? 

     



     



     

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