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Old May 14, 2006 | 12:00 PM
  #1  
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Default cross over help needed !

I have no clue! LOL.
Can I use a set of tweeters (Infinity 1011t) with any cross over or does it have to be made for these exact speakers?
I want to add a set of tweeters to the windshield posts in my 87 coupe.
This set of tweeters has no crossovers with them, so what do I do?
Also, I have 2 way infinity reference speakers in the doors, so how do I wire these tweeters in?
I am powering the door speakers thru an amp fed by the pre amp output of the headunit.

I need HELP!

thanks.
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Old May 14, 2006 | 12:23 PM
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Dont they have like an inline passive crossover like a resistor or some bs like that. If not I should have a pair around here i can send to you. Are the infinitys like brand new in the box cause they should come with everything needed
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Old May 14, 2006 | 12:54 PM
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I did a quick search and came up with this:

If you want to hear more realistic sound in your car, consider adding a pair of Infinity Reference 1011t tweeters. These 1" silk domes will add sparkle and brightness to your music, and improve your stereo image — without tiring your ears.

Crossovers are included to prevent lower frequencies from reaching the tweeters and compromising sound quality. Infinity's "I-Mount" system makes it easy to install your new tweeters, while the Starfish™ bracket simplifies mounting in factory tweeter locations.

Details:

» 1" silk dome tweeters
» flush- and surface-mount hardware included
» Starfish™ bracket for mounting in factory tweeter locations
» 2,500 Hz passive in-line crossovers
» power handling: 2-50 watts RMS (150 watts peak power)
» frequency response: 2,500-21,000 Hz
» sensitivity: 91 dB
» flush-mount depth: 15/16"
» warranty: 1 year


I hope this helps
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Old May 14, 2006 | 04:02 PM
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these are at a salvage store, the crossovers are not there. For $.99 I was thinking about trying them out.
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Old May 14, 2006 | 07:54 PM
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if they are at a salvage store than most likely they were removed from a car and the crossovers were left.
Yes, you DO need to use a crossover or you will blow the tweeter.

based on the specs of the 1011t tweeter as mentioned in an above post you would be best using a passive 12db crossover with a crossover point at 2,500. You should be able to find a number of suitable crossovers at any good car audio shop.
Typically the price of a crossover will depend on the quality of the componets inside it and could run as low as $25 to as much as $200.
For something simple but effective you can do a google search on passice 12db crossover networks and build one yourself. The simpliest design is simply a capacitor and a coil that you could find at radio shack or an electronics supply house for less than $10!
If you can solder you can build a crossover network.
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Old May 14, 2006 | 08:10 PM
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like i said the crossovers i have will work fine let me dig em up and u shoot me a few bucks for shipping and they r urs... the infinity tweeters r pretty nice
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Old May 14, 2006 | 08:38 PM
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Originally Posted by pentavolvo
like i said the crossovers i have will work fine let me dig em up and u shoot me a few bucks for shipping and they r urs... the infinity tweeters r pretty nice
That sounds like a good deal! You want paypal or a moneyorder? thx
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Old May 14, 2006 | 08:40 PM
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Okay, now can someone tell me how to wire the crossovers in once I have them here> thx.
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Old May 14, 2006 | 08:41 PM
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whichever is easier for you let me dig em up tonite while im in the garage, u wire em up inline ill draw u a little pic lol
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Old May 15, 2006 | 08:45 AM
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Originally Posted by pentavolvo
whichever is easier for you let me dig em up tonite while im in the garage, u wire em up inline ill draw u a little pic lol
you have a pm.
thx.
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