horn reflection absorption

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   hi everyone, 
need some quick advice on a 186 horn. Currently I am about to close them and was advised by some people who build on a regular basis to isolate them with this. 
At both sides, at the back of the speaker and in the horn itself. Do horns require this kind of reflection absorption?

Can anyone tell me whether or not this is a desirable thing to do? Or any other solution welcome as well. 

Thanks in advance
Barry

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barry1979 Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 06 February 2012 Status: Offline Points: 4	Post Options Post Reply Quote barry1979 Report Post Thanks(0) Quote Reply Topic: horn reflection absorption Posted: 06 February 2012 at 9:14pm
	hi everyone, need some quick advice on a 186 horn. Currently I am about to close them and was advised by some people who build on a regular basis to isolate them with this. At both sides, at the back of the speaker and in the horn itself. Do horns require this kind of reflection absorption? Can anyone tell me whether or not this is a desirable thing to do? Or any other solution welcome as well. Thanks in advance Barry

barry1979 Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 06 February 2012 Status: Offline Points: 4	Post Options Post Reply Quote barry1979 Report Post Thanks(0) Quote Reply Posted: 06 February 2012 at 9:16pm
	See above ...This kind of isolation was advised http://www.isolatie-online.nl/geluidsisolatiegroot.jpg - http://www.isolatie-online.nl/geluidsisolatiegroot.jpg

Lee In Montreal Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 09 March 2011 Location: Montreal Status: Offline Points: 345	Post Options Post Reply Quote Lee In Montreal Report Post Thanks(0) Quote Reply Posted: 07 February 2012 at 1:40am
	I would isolate in the chamber, that's for sure. But there ain't much you can do in the horn itself. Also, I don't think you will get much cancellation on the first or second elbow.

barry1979 Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 06 February 2012 Status: Offline Points: 4	Post Options Post Reply Quote barry1979 Report Post Thanks(0) Quote Reply Posted: 07 February 2012 at 4:58pm
	Lee, thanks for your quick reply and advice. I'll leave it the way they are then. cheers Barry