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Looking for Blanking-off plates for DM640

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3 replies to this topic

#1 of 4 OFFLINE   ahmorgan



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  • Join Date: May 17 2009

Posted May 17 2009 - 11:26 AM

I have recently purchased a pair of used B&W DM640s and they are missing the plastic blanking-off plates which seal the ports. The speakers originally came with two different sized ports and a pair of blanking-off plates. The ports allow you to fine tune the sound, the plates reduce the bass. I have contacted B&W and they indicated that "Those were what we called blanking plugs and are no longer available". Would appreciate if anyone knows where these can be obtained. Thanks

#2 of 4 OFFLINE   Robert_J


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  • Join Date: Aug 22 2000
  • Real Name:Robert
  • LocationMississippi

Posted May 17 2009 - 02:12 PM

I'm not sure what B&W uses but SVS uses port plugs. Foam cylinders slightly larger than the opening of the port and inserted to create an air tight seal. Elemental Designs sells a similar plug as well. -Robert

#3 of 4 OFFLINE   DaveHo


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Posted May 18 2009 - 01:33 AM

Go to a fabric store & pick up some 2" thick foam. Make your own. -Dave

#4 of 4 OFFLINE   ahmorgan



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  • Join Date: May 17 2009

Posted May 23 2009 - 02:51 PM

Thanks for your input I will try your suggestion Thanks for your help.

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