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Re: Speaking of Darren's project... [message #23561 is a reply to message #23559]

Fri, 16 March 2007 10:19

Wayne Parham
Messages: 18786
Registered: January 2001

Illuminati (33rd Degree)

Rolloff up high is from comb filtering, which is caused by interference between drivers. Below the frequency where that begins to happen, each driver's output sums together. The summing averages the response of the drivers and the reflections in the room. This averaging effect greatly reduces the cancellations that result from room reflections compared to a single omnidirectional point source, particularly the notches caused by floor and ceiling bounce.

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[Message index]

		Anybody want to build a DIY IDS-25 clone (somewhat cheaply)? By: Aaron D on Mon, 12 March 2007 23:55
		Why? By: Marlboro on Tue, 13 March 2007 08:09
		Expensive? By: FredT on Tue, 13 March 2007 14:14
		Proprietary Equalization needed for this array design By: Marlboro on Tue, 13 March 2007 13:07
		Re: Proprietary Equalization needed for this array design By: Jim Griffin on Tue, 13 March 2007 18:38
		Re: Proprietary Equalization needed for this array design By: Marlboro on Tue, 13 March 2007 18:48
		Re: Proprietary Equalization needed for this array design By: Jim Griffin on Tue, 13 March 2007 19:35
		Speaking of Darren's project... By: Aaron D on Thu, 15 March 2007 23:10
		Re: Speaking of Darren's project... By: Wayne Parham on Fri, 16 March 2007 10:19
		nvxqxbgl By: nvxqxbgl on Mon, 23 April 2007 08:31
		xjniuurb By: xjniuurb on Wed, 23 May 2007 15:52
		ukzwqusy By: ukzwqusy on Wed, 23 May 2007 15:54
		kklfwoal By: kklfwoal on Wed, 23 May 2007 15:56
		Re: kklfwoal By: Marlboro on Wed, 23 May 2007 16:41
		Re: Anybody want to build a DIY IDS-25 clone (somewhat cheaply)? By: Jim Griffin on Tue, 13 March 2007 18:27
		Re: Anybody want to build a DIY IDS-25 clone (somewhat cheaply)? By: Marlboro on Wed, 14 March 2007 21:47
		Re: Anybody want to build a DIY IDS-25 clone (somewhat cheaply)? By: Aaron D on Thu, 15 March 2007 22:16
		its a bias.... By: Marlboro on Fri, 16 March 2007 05:25
		Re: its a bias.... By: Wayne Parham on Fri, 16 March 2007 10:27
		My bias By: Marlboro on Fri, 16 March 2007 11:39
		I can agree w/ you for the most part By: Aaron D on Sat, 17 March 2007 14:28
		Replies for all that have replied so far... By: Aaron D on Tue, 13 March 2007 20:53
		Re: Replies for all that have replied so far... By: Eric on Thu, 15 March 2007 11:37
		Re: Replies for all that have replied so far... By: Aaron D on Thu, 15 March 2007 20:48

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