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How can I tell if I blew a tweeter


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20 replies to this topic

#1 of 21 OFFLINE   JoeyR

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Posted May 17 2005 - 11:55 AM

I was programming my 1014 remote, I know this sounds crazy but I heard a loud pop, couldnt tell if something hit the side of my house or if it came from my right side surround, any suggestions?

#2 of 21 OFFLINE   John Garcia

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Posted May 17 2005 - 12:22 PM

If you don't hear anything coming out of it, its blown.
HT: Emotiva UMC-200, Emotiva XPA-3, Carnegie Acoustics CSB-1s + CSC-1, GR Research A/V-1s, Epik Empire, Oppo BDP-105, PS4, PS3,URC R-50, APC-H10, Panamax 5100 Bluejeans Cable
System Two: Marantz PM7200, Pioneer FS52s, Panasonic BD79
(stolen) : Marantz SR-8300, GR Research A/V-2s, Sony SCD-222ES SACD, Panasonic BD-65, PS3 60G (250G)

Everybody is a genius, but if you judge a fish by its ability to climb a tree, it’ll spend its whole life believing that it is stupid.” – Albert Einstein

 


#3 of 21 OFFLINE   JoeyR

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Posted May 17 2005 - 12:53 PM

John I cant really tell if anything is coming out of any of the tweeters over the sound coming out the woofers.

#4 of 21 OFFLINE   Mark--M

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Posted May 17 2005 - 01:47 PM

Quote:
If you don't hear anything coming out of it, its blown.


Thats not exactly true. If you dont hear anything from the tweeter you have a problem, doesnt necasarily mean its blown. Could be a wire popped off the back or a problem in the crossover.

Put your ear directly in front of the tweeter while at a low volume and you should defenatly hear it. If not, pull the tweeter from the speaker and connect it directly to the reciever (dont crank it) and see if theres any sound. If theres still no sound then its toast, if there is theres a problem somewhere else in the speaker.

#5 of 21 OFFLINE   Dick Boneske

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Posted May 18 2005 - 01:24 AM

DON'T connect the tweeter to a receiver directly, even at low volume!! The foolproof way to check any speaker is to us a 1.5 volt battery (D, C, or AA) size. Get two wires about three feet long with alligator clips to attach to the speaker terminals. Momentarily touch the other end of the leads to the battery + and - terminals while you listen for a "pop" or "click" from the speaker. You can also clip the leads to the speaker cabinet terminals while listening to each driver in turn to see that it produces sound.

This method is also useful to confirm that all drivers are in phase. At the moment the battery is connected, the cone will move in or out, depending on polarity. Be sure that woofer, midrange, and tweeter all move the same direction. Some tweeters are difficult or impossible to determine phase this way, but most can be seen to move.

White noise, the hiss between FM stations, is also useful in determining if all drivers are working. It contains frequencies from the very low bass to extremely high treble. Most receivers allow disabling the muting function so you can do this.

Good Luck!!
Dick

#6 of 21 OFFLINE   Chu Gai

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Posted May 18 2005 - 01:45 AM

Quote:
How can I tell if I blew a tweeter
Usually they'll be having a cigarette and a smile on their face Posted Image

#7 of 21 OFFLINE   Mark--M

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Posted May 18 2005 - 02:37 AM

Quote:
DON'T connect the tweeter to a receiver directly, even at low volume!! The foolproof way to check any speaker is to us a 1.5 volt battery (D, C, or AA) size.


Either method will work fine without damage. To be honest the tweeter will likely see more current with the AA battery then a reciever at a low level.

#8 of 21 OFFLINE   John Garcia

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Posted May 18 2005 - 03:58 AM

Put your hand over the tweeter with your ear near it (at a low level, as Mark suggests), then remove your hand. If you cannot hear a difference, the tweeter isn't functioning. It is highly unlikely that a wire popped off inside, though the x-over could be damaged. I've never had that happen in home gear (wire popping off), though it is more common in car audio. Frying tweeters does not always involve a "pop", so you may not hear the moment that the tweeter or x-over fails, it just won't be playing any longer.

If the speaker sounds "normal" compared to the other side when you play something familiar, I wouldn't worry about it at all.
HT: Emotiva UMC-200, Emotiva XPA-3, Carnegie Acoustics CSB-1s + CSC-1, GR Research A/V-1s, Epik Empire, Oppo BDP-105, PS4, PS3,URC R-50, APC-H10, Panamax 5100 Bluejeans Cable
System Two: Marantz PM7200, Pioneer FS52s, Panasonic BD79
(stolen) : Marantz SR-8300, GR Research A/V-2s, Sony SCD-222ES SACD, Panasonic BD-65, PS3 60G (250G)

Everybody is a genius, but if you judge a fish by its ability to climb a tree, it’ll spend its whole life believing that it is stupid.” – Albert Einstein

 


#9 of 21 OFFLINE   BillyHC

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Posted May 18 2005 - 09:00 AM

Quote:
couldnt tell if something hit the side of my house or if it came from my right side surround

you could probably try receiver test tones at a very low volume also.

anyway, tweeters hit the side of my house all the time. and they like hopping around on my roof.
Three flanged ports for delving infrasonic cries, Seven phase settings to quake the halls of stone,
Nine gain settings to aggressively pressurize, One twelve inch driver in its dark prism home.
In a black textured box where the deep bass lie.

One Sub to rumble them all. One Sub to shake them.One...

#10 of 21 OFFLINE   Greg_R

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Posted May 18 2005 - 10:08 AM

Why all the fancy solutions? Just twist the balance knob on your receiver (or disconnect the other channel). Play a sine sweep and you'll know...

#11 of 21 OFFLINE   John Garcia

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Posted May 18 2005 - 10:56 AM

Got a sine sweep handy?
HT: Emotiva UMC-200, Emotiva XPA-3, Carnegie Acoustics CSB-1s + CSC-1, GR Research A/V-1s, Epik Empire, Oppo BDP-105, PS4, PS3,URC R-50, APC-H10, Panamax 5100 Bluejeans Cable
System Two: Marantz PM7200, Pioneer FS52s, Panasonic BD79
(stolen) : Marantz SR-8300, GR Research A/V-2s, Sony SCD-222ES SACD, Panasonic BD-65, PS3 60G (250G)

Everybody is a genius, but if you judge a fish by its ability to climb a tree, it’ll spend its whole life believing that it is stupid.” – Albert Einstein

 


#12 of 21 OFFLINE   Chu Gai

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Posted May 18 2005 - 12:39 PM

http://members.tripo...nhifi/tools.htm

#13 of 21 OFFLINE   trey-m

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Posted May 18 2005 - 05:01 PM

Just play some '80s music. There won't be much bass. If you can't hear the difference between the two speakers, you're fine.
"I used to think I was indecisive, but now I'm not so sure."

#14 of 21 OFFLINE   Dan Lindley

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Posted May 19 2005 - 09:54 AM

I once 'blew' my tweeters, but it was only a fuse. Make sure you check your speakers' fuses. Big relief if that's the trick!

Dan
Heck, I reckon you wouldn't even be human beings if you didn't have some pretty strong personal feelings about nuclear combat.

#15 of 21 OFFLINE   JoeyR

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Posted May 19 2005 - 10:04 AM

Thanks for all the help havent had time to check it out, Im partially deaf in my right ear so I guess its no big deal, its just the principle of a messed up speaker in my system.Posted Image

#16 of 21 OFFLINE   brentl

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Posted May 19 2005 - 10:48 AM

Most speakers don't use fuses anymore.

Brent

#17 of 21 OFFLINE   John Garcia

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Posted May 19 2005 - 12:17 PM

I haven't seen a speaker that had an actual fuse in it since the 70s, maybe early 80s. There are self-resetting fused crossovers, but generally these sort of components are something you don't really want in your x-over circuitry.
HT: Emotiva UMC-200, Emotiva XPA-3, Carnegie Acoustics CSB-1s + CSC-1, GR Research A/V-1s, Epik Empire, Oppo BDP-105, PS4, PS3,URC R-50, APC-H10, Panamax 5100 Bluejeans Cable
System Two: Marantz PM7200, Pioneer FS52s, Panasonic BD79
(stolen) : Marantz SR-8300, GR Research A/V-2s, Sony SCD-222ES SACD, Panasonic BD-65, PS3 60G (250G)

Everybody is a genius, but if you judge a fish by its ability to climb a tree, it’ll spend its whole life believing that it is stupid.” – Albert Einstein

 


#18 of 21 OFFLINE   Chu Gai

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Posted May 19 2005 - 12:21 PM

But not such a bad idea to put one inline if you've got kids that just might want to play with dad's system while he's away.

#19 of 21 OFFLINE   Alan Pummill

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Posted May 19 2005 - 09:43 PM

Some Magnepan speakers have fuses.
SLEEPY AL
MAGGIE MAGIC!!

#20 of 21 OFFLINE   John Kotches

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Posted May 20 2005 - 08:57 AM

Alternatively, one could use a disc with something like a treble decade and use that to test to see if the tweeter has failed.

Connect directly to the tweeter at low volume and see what the output is.

If nothing, you've lost the tweeter.

Cheers,
Surround Music Enthusiast / Curmudgeon in Training
Opinions are my own, not representative of the publication I write for.


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