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Old 21st October 2007, 17:34   #16
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Originally Posted by panky12345 View Post
thanks Kiyon, a close up pic would be appreciated.
Sorry for the delay Panky. These are the links to pics of how i have mounted tweeters in my car.




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Old 21st October 2007, 18:23   #17
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The best place to mount the tweeters will be in straight line to your ears while seated.. If you dont wanna cut door panels, then the double tape would be your only option..

Mounting them elsewhere, you may not enjoy the experience to the optimum..

And it may sound thrashy!!
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Old 9th June 2009, 00:18   #18
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I am posting my problem to this thread as I am using the same product.
My left tweeter is not working suddenly. I removed and tried to connect to the other Component also. Still does not work. How can I check ? If it is possible to get only the tweeter. What will be the approx cost
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Old 9th June 2009, 10:30   #19
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A pair of JBL tweeters as supplied with 607C would cost approx Rs. 1700.
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Old 9th June 2009, 10:52   #20
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To check the tweeter put a small multimeter acorss the terminals and see if you get an impedance around 3ohms. BTW how did the tweeter blow? I have used tweters with modified XOs (my modifiations oftne reduce the ammount of protection offered to teh tweeter by the XO) and still not blown a tweeter (unless the amp had a DC offset issue).
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Old 9th June 2009, 13:35   #21
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Quote:
Originally Posted by panky12345 View Post
A pair of JBL tweeters as supplied with 607C would cost approx Rs. 1700.
Oh No !!!

Quote:
Originally Posted by navin View Post
To check the tweeter put a small multimeter acorss the terminals and see if you get an impedance around 3ohms. BTW how did the tweeter blow? I have used tweters with modified XOs (my modifiations oftne reduce the ammount of protection offered to teh tweeter by the XO) and still not blown a tweeter (unless the amp had a DC offset issue).
Let me check today. I have multimeter. But is this possibility that the XO has some problem. The tweeter was working fine before. Any method to check the XO out put for Tweeter ?
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Old 9th June 2009, 14:34   #22
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yes if you got a signal generator and a scope?
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Old 9th June 2009, 14:55   #23
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yes if you got a signal generator and a scope?
Thanks for your reply. I have only Multimeter at my home. Using that can I check the output ?
If the XO has some problem is that a repairable ? Will the AUDIO shop will be able to figure it out the problem. My all Speaker and XO is fixed to the door so it will be very difficult to remove the panel and redo every thing. And this set of of Speaker does not have any AMP connection too.
I have AMP only to run the SUB and rear Speaker.
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Old 9th June 2009, 15:00   #24
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I cannot judge the competence or capablities of your repair shop but yes this problem can be quite easily repaired. Why not go to a JBL Authorised repair shop in your neighbourhood.
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Old 9th June 2009, 15:03   #25
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Quote:
Originally Posted by arin_12 View Post
Any method to check the XO out put for Tweeter ?
Quote:
Originally Posted by navin View Post
yes if you got a signal generator and a scope?
Sometimes you are too much, navin.

Arin, just use the meter in continuity mode to check that there is nothing open in the circuit between the input of the crossover and the tweeter output terminals for both positive and negative lines.
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Old 9th June 2009, 16:08   #26
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B&T this is a tweeter XO we are talking about. At DC the series cap will be an open circuit. You need to use HF (1kHz+) to see anything at the other end dont you.

Last edited by navin : 9th June 2009 at 16:10.
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Old 9th June 2009, 18:32   #27
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Quote:
Originally Posted by arin_12 View Post
My left tweeter is not working suddenly. I removed and tried to connect to the other Component also. Still does not work.
Quote:
Originally Posted by navin View Post
To check the tweeter put a small multimeter acorss the terminals and see if you get an impedance around 3ohms.
Quote:
Originally Posted by arin_12 View Post
Let me check today. I have multimeter. B
If you have removed only the tweeter and checked it by connecting it to the other crossover then clearly your tweeter is blown.

As Panky mentioned, it is not sold as a spare. You'll have to buy a pair of tweeters from the 8 series as the 7 series is discontinued. Ask around for a second-hand JBL tweeter at various car accessory shops, you might get lucky.
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Old 10th June 2009, 00:21   #28
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I checked the tweeter, it does not show any change in the meter. So looks like the tweeter has gone for a toss. So may be I need to go for a new one :(

@Navin, I want to check the OP of the component too. If i connect a small Speaker to the O/P port of the XO, can I get sound to the Speaker ?
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Old 10th June 2009, 00:50   #29
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Quote:
Originally Posted by arin_12 View Post
I want to check the OP of the component too. If i connect a small Speaker to the O/P port of the XO, can I get sound to the Speaker ?
Yes, you can take a small speaker and connect it there. You can even connect a coaxial speaker to the tweeter o/p and listen - you should be able to hear the treble.
If you connect a coaxial, you will hear the tweeter in the speaker play.
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Old 10th June 2009, 10:59   #30
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Quote:
Originally Posted by arin_12 View Post
@Navin, I want to check the OP of the component too. If i connect a small Speaker to the O/P port of the XO, can I get sound to the Speaker ?
Like Bob said you will get treble if you connect the small coax speaker to the HP output of the XO and hence you will get bass if you connect the same small coax speaker to the LP section (the bass might be attenutated because when you test your XO the small coax speaker will be in free air with no box or baffle to help it)..
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