Question about Alpine Car Audio & Video

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I have 2 alpine type-r 12" subs and one of them is making a very loud high pitch noise almost like the car is shaking but its coming form the sub its self. the cone isn't damaged and its only makes the sound on high pitch notes.. anything low notes it sounds fine. i was wondering whats the problem could be., thanks!

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 18 Answers

SOURCE: Audio system makes extra noises... pops

most of the time when a high power amplifier starts making noise not all the time but every once in a while or even all the time its the ground, if the amp turns on its not the power cable. try moving your ground to a different location or try using double grounds. the better the ground the better the sound. and as for turn on pops, put a toggle switch inline on your rem wire and turn it on after the car is started.

Posted on Oct 04, 2006

zzedly
  • 300 Answers

SOURCE: bridging to 12 inch kicker competition subs to my 1000 watt alpine 4 channel amp

I'm a bit confused. For Alpine amps, the "M" prefix is for monoblock (aka single channel) amps and the "F" prefix is for multichannel amps. The only M550 I find is an MRD-M550, which is a monoblock, not a 4 channel like you say.
Unfortunately, I can't give you accurate help until we know weather it's truly 1 channel or 4 channel. Then I'll be glad to help!

Posted on Mar 07, 2008

  • 11 Answers

SOURCE: Dishwasher Making Loud High Pitched Noise.

A loud high pitch whine while running the dishwasher means that there is something caught in the chopper assembly. To get to the chopper assembly you need to take the racks out and take the pump apart from the inside of the dishwasher. The chopper assembly looks like a metal grate with holes in it. And it might not even be stuck in the grate but somewhere in the pump area due to the water being pumped out, so the best idea is to take the whole thing apart and clean everywhere. However I do not recommend doing this unless you are completely certain you will remember where the screws and gaskets go, otherwise you risk damaging your pump or house from a leak or improper installation. You have been warned.

Posted on Jan 15, 2009

sticky92505
  • 77 Answers

SOURCE: High Pitch Noise Coming Out Of My Subs?

sounds like it could be a warning sound that indicates either a short or a bad connection and is tripping the safety warning. check all speaker terminal connections and connections on the amp to make sure there is nothing loose or touching

Posted on Feb 18, 2009

ctc1234
  • 26 Answers

SOURCE: I have a kicker l5 12

It sounds like the voice coil may have been damaged in which case you'll hav e to get a new speaker.

Posted on Jun 07, 2009

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