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My logic amp for my subwoofer over heats - Logic Soundlab Car Audio & Video

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Here are some reasons that can cause your amplifier to overheat:

  • Amp Gains are set to high / Clipping occurs
  • Amp is not stable at the ILP (Impedance Load Presented)
  • Amp is placed in a poorly vented area
  • Amp is a POS or is defective.

All amp's are typically warn, but they should not burn to the touch, that is too hot.

Posted on Mar 24, 2011

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Posted on Jan 02, 2017

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I have 2 12s kicker comps 2ohm. One of them are working fine, the other one, when I hook up to amp, it throws them both off and just does this repetitive bass....or when I just hook the one thats...


Measure the resistance across the voice terminal of the known good sub, and then compare that to that of the problem sub. You may see a greatly changed value, which likely means the voice coil is damaged. Don't connect the subwoofer again because you risk damaging your amp as well.

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1 Answer

Subwoofer loudness


Do you have enough amp to power the subs, sounds like the coils are heating up and shutting down. Twice the amp for the wattage of the speaker as in 100watt sub 200 watt amp supply and so on.. 1000 watt sub would need at least 1500 watt continuous out put

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1 Answer

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check the resistance of the sub with a digital multi meter, make sure you dissconect the sub from everything before you check the resistance, if your sub is supposed to be 4 ohms than it should be between 3-5 ohms, if it is under 1 that the sub is blown, while the sub is dissconected from the amp, turn the system on, does it still go into protection?

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Prima HT 8104 home theatre


in the 3D processing turn on the Pro Logic and the for the mode as well set it to pro logic.
it simulates 5.1 surround.

this is what I did and it's decent. Other way would be to run the system through a amp/receiver that supports 5.1 surround.

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1 Answer

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When you are playing cd,s set your amp to stereo and the sub should work,prologic should never be used for playing music as this destorys the sound stage,if you are useing small speakers make sure you have set the size in the setup menu and the cross over to about 80hertz.

Hope this helps.

CABLE GUY.

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1 Answer

Subwoofer: Active or non active?


Hello Smegboy,

Yes, you are right. This receiver is rated at 100WRMS output in all 5 channels (2-front, 1-center and 2-surround) while in Dolby Pro Logic operation. The subwoofer output is line level only (not amplified), which means you need a powered subwoofer to be connected to this output. A non-powered subwoofer could be used but, you need an additional amplifier connected to the subwwofer output from the receiver to drive it.
Let me know if this helps.

cancerags

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2 Answers

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try to change subs with your friend to find out if the problem is on amplifier or on sub wofer

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1 Answer

Can it work with 220v?


Car subs can NOT be connected to 220v. Not directly anyway. You will have to get an amp that can run on 220v & then connect it to this sub. Good luck finding a home audio amp that will run the sub though it's really hard. If you look at home theater setups you will find that all the subs have their own built in amps that are really hard to get a hold of seperately.

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