Question about Orion Cobalt 73CX Car Speaker

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Blown voice coil (punch)

Can i purchase a new voice coil

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  • mophead32 Dec 28, 2007

    Can the voicecoil be repaired and, where and how?

  • james1983 Apr 16, 2008

    blown voice coil looking for rebuild? new coil?

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Hello. I recone speakers and your speaker should be fixable. As allready mentioned, it may be cheaper to find a mate on ebay all though it can be hit and miss. The coil's demensions can vary greatly as there are thousands of different parts produced over the years. There is expensive tooling involved in the successful construction of a voice coil as tolerances have to be within a few thousands of an inch. I have wound coils before and now try to purchase due to time restraints. I have found Precision Econowind to have the highest quality and most reliable product to date but they only deal in quantity. Getting back to your speaker you should confirm the coil is the problem and not leed wires, shifted magnet, ripped suspension, cone fracture, or glue failure. If the speaker stinks like burnt bandaids than the coil is definitely fried. On some speaker models I have been suscessfull in reusing the OEM parts so the speaker still looks original if it is an issue and drops the cost somewhat. If the parts are knifed than they must be replaced.

Posted on Jan 28, 2009

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Hello, It is possable for you to get a voice coil replacement if you really are that attached to the speaker. Sometimes it's cheaper to buy new speakers instead, but anyway I'm here to help. I have some subs that needed voice coils, I bought them from E-Bay cheap and ordered new voice coils for them or the place will custom wind your voice coil. The site, it's the one I use and have fixed all the subs I bought and made them better, more wattage cuz some of my subs were dual voice coil and I had them turned into one voice coil subs, but you have to becareful cuz of the thickness of the coil wire and thickness between the speakers magnet pole and outer magnet wall. Thats only if you want to upgrade your speakers. I just tried it once and it works great. Anyway enough of my story were not here for stories, I just thought I'd give you some insight that might be helpful. The site I speak of is www.mwaspeakerparts.com. They are very helpful and will custom wind a voice coil for you. You can give the dimensions or it's better just to send them the voice coil if possable, sometimes they are really fried but maybe enough left for them to figure it out. Also you can send them the whole speaker I think, don;t know for sure, but probably could for them to test fit before sending back to you. Hope this helps, It did for me.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/mark_b53a7494531bf96d

Posted on Jan 26, 2009

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No. You would have to find a vendor of the wire used in voice coils and wind them yourself, which also means you have to pull the cone out without damaging the surround or spider , and be able to put is all back together too . Your best bet with an older sub is to find a good deal on ebay.

Posted on Dec 05, 2007

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Hello smoot_dog,

Well, you did not specify whether you have the 2 ohm or the 4 ohm versions of the L7 and that will impact your choice of amps. But with 8 voice coils and 4 subs to work with, you certainly have lots or potential configurations.

If your subs are the 4-ohm version, I would recommend the Alpine MRP-M1000. Currently it is on sale at www.crutchfield.com for $347.00. With this amp you'd wire the voice coils in parallel (2 ohms), wire each of the 2 pair of subs in series (4 ohms), and the resulting pairs parallel to the amp for a final load of 2 ohms.

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Either of these amps will provide an honest 250 watts RMS to each L7. They'll not only rock your vehicle, they'll rock the pavement.

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the winding on the voice coil are coated with a varnish to keep the from shorting to each other. If the sub is drivin to hard or the voice coil is not vented properly. the voice coil windings will get so hot the varnish will melt or someting get sticky. When you quit playing the sub, say overnight the varnish cools and acts like a glue and will cause the voice coil to stick to the basket of the speaker. Repair just would not be worth the money or the time. Plus when a speaker reaches thid stage. It could eaisily fall to short and burn out your amplifier.

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