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I have two 12 inch subs hooked up in my truck and even with the gain down and sterio down the 12's still move what is the problem?

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Parasites in the signal . Check the audio cables and the capacitors for the subs power input.

Posted on Feb 06, 2010

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I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest


1st have your subs facing inwards towards the front of the car, not facing out the boot, This creates a better bass.

Wire 1 sub to one channel and the other sub to the other channel.

Turn down your gain as low as possible and then power everything up.

turn volume to desired loudness and then start turning up the gain slowly, if distorts a little turn in back down a notch.

avoid using bass boost, I agree it sounds great but it puts more strain on your amp and shortens its life.

after sorting out your gain, tweak all others until sound is bassy and clear with no distortion.

If you would like to use bass boost, turn on bass boost first, then up your gain etc.

Jan 16, 2013 | Pyramid PB915X 1200 Watts 2 Channel...

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How do i fix a frozen 12 inch power acoustik FUBAR-12W sub


You have a case of a blown sub. You will need a recone kit. You ca send it in to a company like fix my speaker or google recone kits for Power Acoustik FUBAR. May be cheaper just to get another sub.

Oct 20, 2012 | Power Acoustik FUBAR-12W Car Subwoofer

1 Answer

I have a mono amplifier hooked up to a 12 inch sub. I have everything hooked up. The ground is good. However, when I turn the gain/level up to around 55% the sub starts thumping loudly. Just a rhythmic...


There are a few things you can look at. Check to make sure you power is at a constant 12 volts. Usually a dip in voltage will set off a protection mode, but it protection is malfunctioning, this may be occuring. You also may need a larger guage wire for power and ground, depending on how many amps your amplifier is drawing. You subwoofer may be the problem too. Is it a dual 4 ohm, or dual 2 ohm? If it's dual 2 ohm and your amp isnt' one ohm stable, this could be causing the amp to overload. From your description it sounds like the amp is "clipping", so my gut tells me it's more of a power problem. Recheck all your wiring. If you have a multimeter to check your power, use it. Good luck.

Sep 02, 2011 | Car Audio & Video

1 Answer

Just hooked up mtx 500d mono amp and 12 inch sub worked for a 1/2 hour then sub quite and led on top of amp just flashes.


either ur ohm load is way off ur pos n neg might be touchin or more than likely u blew u sub is it scratchy when u push in the middle of the cone ? does it push in at all?

May 14, 2010 | Car Audio & Video

1 Answer

I have a rockford fosgate p5002 amp. I have 2 alpine 12" type-r's. I just got them bridged together and my amp keeps going into clipping mode. i tried turning down my gain and adjusting my frequency but it...


Hi unbridge the subs and run them sterio your overloading the amp and its going into protection mode. if you have anymore questions about car audio feel free to ask me...

Feb 05, 2010 | Rockford Fosgate Punch P5002 Car Audio...

1 Answer

Problem when hooking two 12 inch subs to one amp


the amp is no where near strong enough that sound you hear is called hard clipping and it will destroy your subs in minutes. depending on what model JL subs you have I can sell you a better amp.

Dec 30, 2008 | Planet Audio VX602 Car Audio Amplifier

2 Answers

SUBS


Hi , you need to replace with thick wire , if possible attache fuse or circuit trip overload protection you may ask to thew radio store .

May 07, 2008 | Polk Audio EX12 Car Speaker

3 Answers

12w3v2 Started making distorted bass noise at low volume


Connect each speaker coil one at a time to a square 9 volt battery and watch for the cone to move.

Also try hooking another speaker to your amp just to make sure the noise isn't in the amp.

You can use a 9 volt battery to test wire polarity also. Hook up the + wire of the speaker to the + terminal of the battery and the - speaker to the - battery terminal. If the speaker moved UP or OUT then the wiring is correct. If it moved IN or DOWN then the + and - wires are backwards on the speaker.

Also if you have two or more speakers hooked together test all the same way while they are hooked to each other. ALL of the speakers need to move in the same direction at the same time.

Clipping causes more speaker damage than anything. "Dirty Power" can happen in good quality amps too. The gain control is to match the voltage between the headunit and the amp. It is NOT a volume or boost knob. If you overdrive the first stage of the amp and then clip it damage will occur to the amp and speakers at some point.

Hope this helps.

Jan 04, 2008 | Jl Audio 12W3 Car Subwoofer

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