Broke another sub? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-25-2006
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Broke another sub?

Ok, a week ago, I put my lightning audio 12" subs in after one of my Rockford P1's cone seperated. Today, I was going down the road, and all the sudden, one of the subs started making a loud noise when it hit. It sounded about like my P1 did when the cone seperated from the surrounding. THEN, later on, it quits for a couple minutes, then starts back again. I looked them over, and they look fine. Any body know whats going on? Im running out of subs. lol (actually, the lightning audio subs were my last ones). Btw, if you missed my last thread about the broken sub, none of my subs i've had hooked up were over powered at all.
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Old 11-25-2006
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did it burn up the voice coil
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Old 11-26-2006
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if it burnt up a voice coil youd smell burning trust me and see smoke! ive done it on purpose its usually pretty rank..take the sub out and check the power and ground connections from the hook ups on the sub to the voicecoil...one may be kinda broken or broken and hardly touching...
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Old 11-26-2006
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I dont know what it is, cause it seems to not do it if I turn the bass down, and turn the volume up (makeing the bass amplify by turning the volume up)......although it does it on and off.
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Old 11-26-2006
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push on the sub..a normal sub would move up and down..if it doesnt and seems "frozen" then the coil is fried
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Old 11-26-2006
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did you pull the sub ? and look...? if not do try it ive seen this happen before...and if thats not the case your amp may be acting up...or the sub is just toast and needs replacement..


One of my amps was doing this..i sent it in and the AUDIO INPUTS were lose and needed replaceing never had the problem again.
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Old 11-26-2006
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You could have tore the spider, or whatever it's called, thats what happened to mine, they sound fine until u turn it up 2 loud.
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Old 11-26-2006
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Well, took the sub out, and it smelled like someone had been smoking, and I can't stand that. I've found out that it will start acting up pretty quick with a song like "walk it out" (the already messed up sub).


EDIT: here is a video of the sub making the noise.......you'll have to turn the volume up until you can hear it.

Last edited by SouthernMudSlinger; 11-26-2006 at 02:38 PM.
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Old 11-26-2006
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shes fooked...time for a new sub
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Old 11-26-2006
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I put my good P1 sub in, so now i've got a p1 and lightning audio now. Now, if one of those mess up, well that just sucks! lol

While im on this topic, I thought that subs, when they hit, were suppost to hit outward.......mine look like they do the most action inward (It appears to anyways). I've got the + and - hooked up to each sub right.......I do have bass however, but just by looking at the subs, they look like they're going the wrong way.
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Old 11-26-2006
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lol...hmm...its hard to tell when ones not there looking at it..can always take it down to a car audio shop and just get them to take a look while ther ein motion might be able to help ya ?
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Old 11-26-2006
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It wont hurt anything if I reverse the + and - wires going to the subs will it?
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Old 11-26-2006
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lmao..from my experiance wanna kiss them goodbye?
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Old 11-26-2006
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NOOOO!!!!!!!!! LOL These are the last 2 I have........its kinda funny that one of each brand screwed up.

BTW, have you messed some up by changing the + & -? I guess so?
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Old 11-26-2006
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you always gotta try things out right..if i remember correctly i damaged the amp too...cant really remember was a few years ago..what kinda power are you pushing?
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Old 11-26-2006
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a glass shattering 125rms x 2 @ 2ohms. lol
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Old 11-26-2006
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thats power baby!that shouldnt hurt them too muchits always better to meet the subs rms..each one of my subs is 750rms and apparently my amps are 1000watts RMS at 2ohms and i have 2 of them ..lol lots of power
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Old 11-28-2006
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Switching the + and - reverses the phase of the sub. So when it would usually outstroke, it will instroke. It wont hurt anything if you keep both subs the same.
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Old 11-29-2006
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Quote:
Originally Posted by nbro3232
Switching the + and - reverses the phase of the sub. So when it would usually outstroke, it will instroke. It wont hurt anything if you keep both subs the same.
Correct, they just wont sound right if out of phase. It sounds to me like you are killing subs with distortion. You should be able to tell by your ears when the amp has reached its max, it wont get much louder when turning it up but the subs will start to sound worse.
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Old 11-29-2006
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So I'd say the coil is burnt. lol Btw, what causes that?
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  #21  
Old 11-29-2006
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Coil getting too hot, usually from distortion or too much power.
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  #22  
Old 11-29-2006
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clipping out the wazzoo


this site is the best site you can find on information for car electronics
www.bcae1.com read some parts on it one day if you get bored

more specifically here is a direct link to your problem
http://www.bcae1.com/2ltlpwr.htm
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  #23  
Old 11-29-2006
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Since I have a factory radio, and the amp signal is hooked up through the rear speakers, should I be using the bass control on the radio to adjust the bass for the subs? I have the bass on the radio about half way, and the gain on the amp about half way. In my old truck, I had a aftermarket radio, and had the amp hooked to the preamp outputs, and could turn the gain on the amp almost to its max, and no distortion, but I dont know about this factory radio..........how should I control the bass? turn the bass all the way down on the radio, and control it with the gain on the amp? or what?
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  #24  
Old 11-29-2006
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WHOA WHOA...NEVER run your GAIN at full power...you wanna destroy stuff thats how you do it! i run my gain maybe MAYBE at 1/4 and let the bass boost **** and the deck control the rest and is defaning! my suggestion would be save up and get an aftermarket HU! would work alot better..
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  #25  
Old 11-29-2006
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since I put the system in the Ranger, I only have the gain at about 1/2. The subs are rated 150rms, and the amp puts out about 125rms per sub.
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