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mb quart crossovers, shot


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xTimx 
Copper - Posts: 354
Copper spacespace
Joined: September 13, 2002
Location: Canada
Posted: July 23, 2007 at 8:59 PM / IP Logged  
i have a pair of 6.5"s coaxial MB Quart reference series speakers, these came with the external crossover. believe it or not, they are both shot. all i am getting is the mid. but the tweeters still work fine (if you hook it up seperate).
Q is, how can i fix this situation? can i get myself a filter or something? just to hook up to the tweeter to block out the lows and mids and still be able to play both the mid and tweet.
thanx
Tim
xTimx
haemphyst 
Platinum - Posts: 5,054
Platinum spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: July 23, 2007 at 9:50 PM / IP Logged  
Say WHAT?!?! None of that made sense to me.
Explain again, slowly, what you have done, exactly, and I'll try again...
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
jmelton86 
Gold - Posts: 1,228
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Joined: February 07, 2007
Location: South Carolina, United States
Posted: July 23, 2007 at 10:41 PM / IP Logged  

I think he's saying that the highpass side of the x-overs don't work -he said the tweeters work when connected to an amp straight. I also think he's asking if there's a way to make a simple highpass filter for them.

xTimx -you need to find the stats on these components and find out where the crossover point is. And, if you can, find out what slope the highpass part has.

2013 Kia Rio -90a alternator
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jmelton86 
Gold - Posts: 1,228
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Posted: July 23, 2007 at 10:48 PM / IP Logged  
Oh, also, are you sure they aren't bi-ampable? This means they have a separate input for the tweeter and woofer.
2013 Kia Rio -90a alternator
DDX470HD GTO14001 GTO1014D (x3)
Big3 in 1/0G
1/0G to GTO14001
i am an idiot 
Platinum - Posts: 13,666
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: July 24, 2007 at 7:33 AM / IP Logged  
You need to take the crossover apart  remove the circuit board and look for bad solder joints on the bottom of the board.  Look for signs of overheating and dull looking solder, when you find it you will need to apply some more solder.   More Solder, NOT super glue!!!!!!       more solder
xTimx 
Copper - Posts: 354
Copper spacespace
Joined: September 13, 2002
Location: Canada
Posted: July 24, 2007 at 6:50 PM / IP Logged  
and what if the whole cross over was damaged from water? lol
xTimx
jmelton86 
Gold - Posts: 1,228
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Posted: July 24, 2007 at 6:57 PM / IP Logged  

i am an idiot wrote: More solder, NOT super glue!!!!!!     more solder

What's pretty funny is how some would think super glue will help! -I know I used to...

2013 Kia Rio -90a alternator
DDX470HD GTO14001 GTO1014D (x3)
Big3 in 1/0G
1/0G to GTO14001
xTimx 
Copper - Posts: 354
Copper spacespace
Joined: September 13, 2002
Location: Canada
Posted: July 24, 2007 at 7:35 PM / IP Logged  
well you would think that if the whole crossover is soaked, both the mid and tweet would not play but just the mid is playing, on both sets of speakers.
xTimx
jmelton86 
Gold - Posts: 1,228
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Posted: July 24, 2007 at 7:40 PM / IP Logged  

xTimx wrote:
well you would think that if the whole crossover is soaked, both the mid and tweet would not play but just the mid is playing, on both sets of speakers.

Are you sure these aren't biampable? Meaning, they have separate inputs for mids and tweets?

2013 Kia Rio -90a alternator
DDX470HD GTO14001 GTO1014D (x3)
Big3 in 1/0G
1/0G to GTO14001
xTimx 
Copper - Posts: 354
Copper spacespace
Joined: September 13, 2002
Location: Canada
Posted: July 24, 2007 at 7:44 PM / IP Logged  
ya they are bi-ampable actually.
i have a 4 channel running my 4 co-axials (all MB quart). the fronts are fine.
xTimx
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