No sub control = blown speakers! - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 05-02-2005
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No sub control = blown speakers!

Hey everyone, what would be the best solution for me. I have a kicker L5 sub and an eclipse head unit that doesnt have sub control. I have blown a couple speakers now and am wondering what i can do so i stop ruining my speakers.
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Old 05-02-2005
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which model hu do you have?? easiest way would to be just add a gain control for your subs.. PAC makes the one i have. here's a pic of it. im sure a few other people have the same one, or one similar to it.

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Old 05-02-2005
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I am using a kicker 400.1 amp that already has the gain for the sub. I dont have any speakers amped or anything. I cant remember what hu it is i think maybe 3403 or something.
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Old 05-02-2005
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Make sure all the Gains are matched up.
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Old 05-02-2005
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Sending too much bass to the speakers? Or too much volume on an underpowered system?

How is it wired? Does your eclipse head have 3 pairs of RCA' outputs? I would assume not and that you have the subwoofer wired in with the speakers. Check your manual/head unit for any signs of a crossover control, and think about replacing the head unit for one that does. Or you can find some external amplifiers that have full range "pre-outs". Then you can run an 2 or 4 channel amp for the speakers with a low-pass filter, and a mono amp for the sub(S) running off a high-pass filter.

A cheap option is this:
http://www.crutchfield.com/S-GojXad1...=bass+blockers
Wire them in to block bass from overpowering your speakers.

n
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Old 05-02-2005
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The hu has two pairs of preouts. I have the amp running to one and my sub is the only thing connected to the amp. It is a mono-amp. I think i am sending too much bass to the speakers because i cannot control the amount i send to them without a sub-control hu. What kind of amp would i need to hook up to the speakers in order to filter them. Also would i just hook that amp to the other preouts? If you have any specific amp suggestions or what kind exactly i would need i would appreciate it, then ill have something to go by. If i were to get those bass blockers that you suggested, how exactly are they supposed to be wired in? Thanks alot!
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Old 05-02-2005
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Bass blockers install off the positive terminal of the full-range speakers. 1 per speaker, and they help to "rolloff" unwanted sound frequencies. Not needed if you get an amp with a internal crossover. Bass blockers are cheap and not very efficient, but they would help your situation for sure and be a good temporary fix until you get a 2nd amp. The Hz range and the dB scale will tell you exactly how much the bass blocker will do.

Pre-outs on AMPS are just like they are on the head unit. They are used when you daisy chain multiple amplifiers.
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