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Old 11-25-2012, 06:38 AM   #1
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Tweeters hurt my ears!

I installed some tweeters into my jeep a couple of months ago, and ever since they have been so high pitched that when I turn my music up to loud it destroys my ears. My dad has an older car with tweeters in his and they sound great. So I know what it's supposed to sound like but I just can't get mine there.

My Alpine PDX-V9 has a built in crossover but I'm beginning to think its shit. Anyone muscly inclined wanna help a fellow jeeper out!?

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Old 11-27-2012, 10:40 AM   #2
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Were are they mounted? How are they aimed?

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Old 11-29-2012, 08:52 AM   #3
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Check your gain levels, you may need to turn them nearly all the way down depending on the pre-out voltage on your deck. If it's just too loud, the crossovers aren't the problem...
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Old 11-29-2012, 11:31 AM   #4
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Gain is turned all the way down already.

There mounted on top of the dash. Aimed straight up in the air. I'll upload a pic in a minute.
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Old 11-29-2012, 08:11 PM   #5
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Here's where they are mounted. Remembered to take it while driving down the highway. Haha
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Old 12-01-2012, 07:35 PM   #6
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Do you still have the crossovers they came with? If u put them in between the amp and the tweeter There is a switch on the box that will drop the db level. May help a little.
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Old 12-02-2012, 12:02 AM   #7
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I cut them off because my friend told me it lowers the db even lower than the -6 on the tweeter. Which it did.
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Old 12-02-2012, 09:24 PM   #8
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Well now without the Crossovers on them, you are Running them active, so yea, they're going to be Louder.

With no Crossover on them, they're gonna Blow, just a matter of time.

So either Wait til that Happens, get some Mids that can Keep Up, take them Out, or get a Crossover on them with a -3db Attenuation and you'll be good.
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Old 12-02-2012, 10:00 PM   #9
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Quote:
Originally Posted by Duramaxxed View Post
Well now without the Crossovers on them, you are Running them active, so yea, they're going to be Louder.

With no Crossover on them, they're gonna Blow, just a matter of time.

So either Wait til that Happens, get some Mids that can Keep Up, take them Out, or get a Crossover on them with a -3db Attenuation and you'll be good.
X2. The "built in" crossover in your amp isn't designed just for tweeters. If you read the literature the tweeters came with it should confirm that. Put them back on and then turn down the treble on the radio if the highs are still too loud.
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Old 12-03-2012, 09:23 AM   #10
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Yikes... do yourself a favor and don't listen to that friend anymore.

Like the others have said, you need that crossover there. Not only does it attenuate the tweeter level, making it easier on your ears, it also filters out low frequencies that will damage the tweeter if it tries to play them. Your amp probably has a highpass filter that ends somewhere around 200 htz,while the tweeters really can't handle anything lower than 2,000 htz. That huge gap of frequencies from 200 all the way up to 2,000 will do work on your tweeters and will certainly cause damage shortly.

Turn the amp's crossover off or to full pass, and wire that crossover back in there. Do you have midrange drivers too for the front channel, or is it just the tweeters?
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Old 12-04-2012, 07:04 AM   #11
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By having the tweeters mounted that way they are reflecting off the windshield and that may be causing an issue. I see most people mounting then by the door strap with good results. Also put the crossovers back in and play with location and aiming. This makes a big difference with sound.
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Old 12-07-2012, 07:01 AM   #12
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Quote:
Originally Posted by Kingcat
By having the tweeters mounted that way they are reflecting off the windshield and that may be causing an issue. I see most people mounting then by the door strap with good results. Also put the crossovers back in and play with location and aiming. This makes a big difference with sound.
Your amp has a crossover meant for tweeters only on ch1 and ch2 if you have them on another channel that might be an issue However it can go as high as 6k. You might be set with the crossover too high. The level is supposed to be adjustable. Also what are you crossing your mids at? You need to blend the bandpass or low pass on the mids and sub so that you have a smooth transition. Lastly you can tell what frequencies are causing problems using a spectrum analyzer and sweep tone generator. You can download cheap apps for android or iPhone that will at least give you a moderate idea here. Try putting the phone microphone at your normal position and right over the speaker. That will tell you if it's whats feeding your speaker or the placement
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Old 12-07-2012, 07:03 AM   #13
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Originally Posted by ronrad

Your amp has a crossover meant for tweeters only on ch1 and ch2 if you have them on another channel that might be an issue However it can go as high as 6k. You might be set with the crossover too high. The level is supposed to be adjustable. Also what are you crossing your mids at? You need to blend the bandpass or low pass on the mids and sub so that you have a smooth transition. Lastly you can tell what frequencies are causing problems using a spectrum analyzer and sweep tone generator. You can download cheap apps for android or iPhone that will at least give you a moderate idea here. Try putting the phone microphone at your normal position and right over the speaker. That will tell you if it's whats feeding your speaker or the placement
Also many new head units have filters built into the pre outs Try changing which channel you are using to drive them from the head unit and look at your head unit setup for those channels
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Old 12-07-2012, 08:04 AM   #14
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well if he is going to run active then there is more info we need.

what are you using for front midrange drivers(dash speakers)
are you running the mids off the rear chanel?
what head unit do you have?
wat brand are the tweeters?

like i said before aiming can make all the differance.
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Old 12-07-2012, 10:18 AM   #15
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He's also got 100w on Tweeters.

I like my Music Loud, but at the MOST, going Active, I would put 50w to Tweeters. If it's not a Crazy Stereo, just Power them off the Front Speaker Outputs of the Headunit, that'll be Plenty.

If you still wanna Amp them, Look for a Small Amp around 35w per Channel, but that still might be too much for you, so just try them on the Headunit First.
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Old 12-08-2012, 05:08 PM   #16
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Originally Posted by Duramaxxed
He's also got 100w on Tweeters.

I like my Music Loud, but at the MOST, going Active, I would put 50w to Tweeters. If it's not a Crazy Stereo, just Power them off the Front Speaker Outputs of the Headunit, that'll be Plenty.

If you still wanna Amp them, Look for a Small Amp around 35w per Channel, but that still might be too much for you, so just try them on the Headunit First.
I have 200w x 4 powering my fronts Rated at 150 for 4 ohms. My tweeters are about 6 ohm and high sensitivity. The mids are 4 ohm and lower sensitivity. It was still easy to set the amps gain up to match spl. I have a jbl ms8 in front of the amps and I does knock the treble down a bit however even in bypass it still sounds reasonable. I also don't listen at super high levels however the extra power on tap provides better control over the drivers in theory

As a side note the ms8 built in amps at around 25w per channel could also drive the speakers at sufficient volume before I put the amps in. The amps do it better though

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