Bloc Riff Nut Posted December 23, 2009 Share Posted December 23, 2009 Please Help Meeeeeeee!!!!!!!! Whilst practicing thhis morning I noticed a dent in one of the speakers ( I think you guys call them DRIVERS/new to me) of my Markbass CMD 102P. It's in the central dome in the middle of the cone. Can this affect the performance and sound? Is it possible to remove it, I've had it open but there's no way of getting at it from behind, it's enclosed; but you already knew that, RIGHT! Are there any tricks of the trade for removing it, maybe it can be sucked out with a vacuum or something? Just guessing 'cause I'm desperate. How could something like this even happen? I'm really careful with my stuff and it's never been past two thirds. Christmas greetings, Phil. Quote Link to comment Share on other sites More sharing options...
geoffbyrne Posted December 23, 2009 Share Posted December 23, 2009 (edited) Some people fix it by holding a vacuum *near* it to pull it out, others have pulled it out by using a bit of masking tape (which isn't too sticky). As for affecting tone/performance, I'm not sure it will, as it's there to prevent dust getting into the voice coil. Someone will probably correct me! G. Edited December 23, 2009 by geoffbyrne Quote Link to comment Share on other sites More sharing options...
warwickhunt Posted December 23, 2009 Share Posted December 23, 2009 It is just a dust cap and tbh unless it's really buggin' you I'd just leave well alone. Quote Link to comment Share on other sites More sharing options...
SS73 Posted December 23, 2009 Share Posted December 23, 2009 If you can get close enough give it a big suck kiss, a vacuum cleaner could pull the whole coil out. I have used Duct tape in the past as this is nice and sticky. Quote Link to comment Share on other sites More sharing options...
warwickhunt Posted December 23, 2009 Share Posted December 23, 2009 [quote name='SS73' post='692217' date='Dec 23 2009, 11:47 AM']If you can get close enough give it a big suck kiss, a vacuum cleaner could pull the whole coil out. I have used Duct tape in the past as this is nice and sticky.[/quote] Just pray that statement never gets quoted out of context... Quote Link to comment Share on other sites More sharing options...
SS73 Posted December 23, 2009 Share Posted December 23, 2009 [quote name='warwickhunt' post='692226' date='Dec 23 2009, 11:55 AM']Just pray that statement never gets quoted out of context... [/quote] and it's not as if I've been on the Beer yet! Quote Link to comment Share on other sites More sharing options...
Bloc Riff Nut Posted December 23, 2009 Author Share Posted December 23, 2009 [quote name='warwickhunt' post='692226' date='Dec 23 2009, 12:55 PM']Just pray that statement never gets quoted out of context... [/quote] Hey guys thanks for the tips. I thought the tape idea was genius. so I tried it. NOT RECOMENDED!!!! The Markbass CMD 102P driver dust covers are made of a thick pitch-black paper. The tape didn't budge it a mm, it just took off the upper layer of paper leaving a very slightly lighter colour behind. OOPS! So I moved on to, what to me seemed a much riskier option, the vacuum cleaner. Would it swallow my speaker whole or just tear out its heart? Our vacuum cleaner has an adjustable power dial so I started off low. But it didn't do a thing, so I went to full power and HEY PRESTO, it sucked that baby right into shape... and then it flopped back in... so I sucked again and it flopped back in. After a tug-of-war it eventually stayed out. I'm left with some slight creases and a barely visible tape mark but it did the trick. Greetings , Phil. Quote Link to comment Share on other sites More sharing options...
Bay Splayer Posted December 23, 2009 Share Posted December 23, 2009 i have repaired this type of thing before just get a very thin (sewing) needle, gently push it into cap about a millimetre or 2, angle it, then pull it back to shape Quote Link to comment Share on other sites More sharing options...
Thump Boy Posted December 24, 2009 Share Posted December 24, 2009 I am glad the vacuum cleaner worked for you. The last time I tried to fix a dust cap I ended up with a bigger dent than when I started. Now I just leave dented dust caps alone and look the other way. Quote Link to comment Share on other sites More sharing options...
wizbat Posted December 24, 2009 Share Posted December 24, 2009 The pin solution is the best option. Quote Link to comment Share on other sites More sharing options...
demanufacture Posted December 26, 2009 Share Posted December 26, 2009 I remeber that in old times we was resolving that problem in old Tonsil speakers via... vacuum cleaner really it works. PS The dust cap can affect on sound but it depends of material. In your case I think it shouldnt affect the sound. Quote Link to comment Share on other sites More sharing options...
Stingray Posted December 26, 2009 Share Posted December 26, 2009 This is something that happened to me with a Peavey speaker which had an aluminium dust cap. The vacuum technique worked fine. I also have use the pin technique on a PA speaker when the vacuum had no impact. You could leave it as it is as it will not affect the sound, but I guess it is the idea that it is dented. Quote Link to comment Share on other sites More sharing options...
MoonBassAlpha Posted December 26, 2009 Share Posted December 26, 2009 I've used a pin to do this too. Quite effective. I'm also of the opinion that it doesn't affect the sound if you've got a little dent in the dust cover. Quote Link to comment Share on other sites More sharing options...
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