Blown Sub? VC? Input appreciated

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hipedcaraudio

Member - Posts: 5

Joined: April 23, 2005

Location: Canada

Posted: October 26, 2005 at 2:27 PM / IP Logged

Ive got two jbl subs that I installed for a guy. They are both dvc 12 inch subs. He brought them back because when you push down on the surrond the center moves in kinda of rough and slow and then does not come back up, could this be a welded voice coil?

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geepherder

Platinum - Posts: 3,668

This member consistently provides reliable information

Joined: October 27, 2003

Posted: October 26, 2005 at 8:34 PM / IP Logged

Yup, it's blown.

My ex once told me I have a perfect face for radio.

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jeffchilcott

Platinum - Posts: 2,483

Joined: April 11, 2002

Location: United States

Posted: October 26, 2005 at 11:14 PM / IP Logged

sounds like alot of clipping or a very very bad signal.

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hipedcaraudio

Member - Posts: 5

Joined: April 23, 2005

Location: Canada

Posted: October 27, 2005 at 6:29 AM / IP Logged

So its underpowered?, any ideas on how to not make this happen again next time.

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lanman31337

Copper - Posts: 83

Joined: August 11, 2005

Posted: October 27, 2005 at 7:55 AM / IP Logged

Underpowering a sub isn't going to blow it. Like jeff said, a dirty signal, or clipping will blow a sub. If underpowering blew subs, everyone would blow their sub when they turn their volume down.

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hipedcaraudio

Member - Posts: 5

Joined: April 23, 2005

Location: Canada

Posted: October 27, 2005 at 12:48 PM / IP Logged

Ok well how does clipping occur

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Blown Sub? VC? Input appreciated

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