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Re: 4 Pi and 7 Pi bass response- More similar or different? [message #62114 is a reply to message #61567]

Tue, 16 March 2010 18:29

Wayne Parham
Messages: 18682
Registered: January 2001

Illuminati (33rd Degree)

If you have the right corners, then sure, seven π cornerhorns are better, definitely.

They have two big advantages, first is the corner sets the pattern constant all the way down in frequency, clear down to the Schroeder frequency. This is where room modes begin to take over, making pockets that sort of overrule the launch directivity. Standing waves within the room modify the wavefront that would have existed outdoors or in a very large room. But from about 150Hz up, the cornerhorn makes a pattern with constant directivity, and I know of no other configuration that can do this. The second advantage is you split up the mids and bass, which improves IMD and also gives some smoothing of the upper modal region.

So if you have the right corners, use them. But if you don't, the DI-matched speakers are very close, especially when combined with multiple subwoofers. More info at the link below:

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[Message index]

		4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Wed, 16 December 2009 22:57
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Thu, 17 December 2009 09:44
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: tom-m on Thu, 17 December 2009 18:32
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Thu, 17 December 2009 19:28
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Thu, 17 December 2009 19:16
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Thu, 17 December 2009 21:12
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Fri, 18 December 2009 09:09
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: tom-m on Fri, 18 December 2009 09:51
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Fri, 18 December 2009 10:41
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: tom-m on Fri, 18 December 2009 16:52
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Fri, 18 December 2009 18:44
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: tom-m on Mon, 28 December 2009 13:00
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Mon, 28 December 2009 13:10
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Mon, 21 December 2009 19:44
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Mon, 21 December 2009 20:55
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: feket663 on Sun, 27 December 2009 11:02
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Sun, 27 December 2009 12:12
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: feket663 on Sun, 27 December 2009 14:53
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Sun, 27 December 2009 17:52
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: feket663 on Mon, 28 December 2009 14:56
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Mon, 28 December 2009 21:41
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Thu, 31 December 2009 17:37
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Fri, 01 January 2010 08:39
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Tue, 12 January 2010 22:39
		Cornerhorn Ruminations By: Wayne Parham on Wed, 13 January 2010 08:56
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Wed, 13 January 2010 18:14
		Room Treatments By: Wayne Parham on Wed, 13 January 2010 21:25
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Wed, 13 January 2010 22:58
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: tom-m on Wed, 13 January 2010 23:22
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Thu, 14 January 2010 17:30
		seven π photos By: Wayne Parham on Thu, 14 January 2010 19:32
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: tom-m on Fri, 15 January 2010 15:31
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Fri, 15 January 2010 16:55
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: tom-m on Fri, 15 January 2010 22:01
		Cornerhorns and constant directivity By: Wayne Parham on Fri, 15 January 2010 23:50
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Sat, 13 March 2010 04:56
		Crossover considerations - power handling, frequency, slope, etc. By: Wayne Parham on Sat, 13 March 2010 10:35
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Sat, 13 March 2010 17:38
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Infrasonic on Tue, 16 March 2010 17:54
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Tue, 16 March 2010 18:29
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Infrasonic on Tue, 16 March 2010 19:06
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Tue, 16 March 2010 21:15
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Wed, 27 November 2013 20:16
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Thu, 28 November 2013 09:35
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Infrasonic on Wed, 17 March 2010 00:50
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Sun, 06 June 2010 06:25
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Sun, 06 June 2010 09:22
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Mon, 07 June 2010 20:19
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Mon, 07 June 2010 21:01
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Psychoacoustic on Mon, 07 June 2010 21:11
		Re: 4 Pi and 7 Pi bass response- More similar or different? By: Wayne Parham on Tue, 08 June 2010 08:17

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