Why did they blow!?
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Why did they blow!?
Hey guys how you all doing, well here it goes, i've had my system running for quite a while, 2 years in Feb. this is what i have:
Pioneer DEH-P9400MP (Head Unit),
Alpine V12 MRV-F345 (4 channel AMP) 70w RMS/channel,
MB Quarts PCE-216 (front components) 70W RMS/
very simple and straight forward system. it has sounded good all this time until, a week ago, i had been noticing a little bit of distortion from the speakers when volume up, but as soon as i lowered it it was fine.
a week ago, while listening, at high volume (with no distortion) for a few minutes, started to hear distortion and fried. WHY?
i have tried to contacting MB quart with no luck
thanks for the help
and what should i get now?
Pioneer DEH-P9400MP (Head Unit),
Alpine V12 MRV-F345 (4 channel AMP) 70w RMS/channel,
MB Quarts PCE-216 (front components) 70W RMS/
very simple and straight forward system. it has sounded good all this time until, a week ago, i had been noticing a little bit of distortion from the speakers when volume up, but as soon as i lowered it it was fine.
a week ago, while listening, at high volume (with no distortion) for a few minutes, started to hear distortion and fried. WHY?
i have tried to contacting MB quart with no luck
thanks for the help
and what should i get now?
#5
He definitely didnt have the head unit AND amplifier hooked up to the speakers at the same time...that would have lasted all of 10 seconds before the HU went up in smoke.
There are only three ways for a speaker to be or go bad: Manufacturers defect, which inevitably results in malfunction, too much power (as in so much that the voice coil sustains too much heat over a period of time and either locks up or completely gives out) and the most common distortion. Distortion causes excess heat (like friction in a motor) and after a while the voice coil will fail.
Its more likely that you just listened to the speakers at a volume level that incorporated just enough distortion to over time cause the failure.
Improper gain stepping is the most common attribute to that cause.
There are only three ways for a speaker to be or go bad: Manufacturers defect, which inevitably results in malfunction, too much power (as in so much that the voice coil sustains too much heat over a period of time and either locks up or completely gives out) and the most common distortion. Distortion causes excess heat (like friction in a motor) and after a while the voice coil will fail.
Its more likely that you just listened to the speakers at a volume level that incorporated just enough distortion to over time cause the failure.
Improper gain stepping is the most common attribute to that cause.
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Thanks a lot guys! for the help, thats a good point, left and right seem to have fail, im gonna check the amp, maybe hook it up to the other channels see if the amp is what is blown ( i doubt it thought) but i'll take a look at it. thanks alot again, i;ll get back to you guys
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Originally Posted by Cubs2k,Nov 30 2007, 11:57 PM
If both the left and right side failed at the same time....I'd look at the amp. The likely hood the both speakers failed at the same time is unlikely.
My next help question, where can a get good RCA and Speaker wire (Monster wires maybe?) for a good price and how much (lenth) would i need? amp will be in spare tire compartment. thanks alot for the help.
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