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eight π [message #44370 is a reply to message #44366]

Mon, 12 April 2004 01:04

Wayne Parham
Messages: 18793
Registered: January 2001

Illuminati (33rd Degree)

eight π Loudspeaker

An interesting application of this midrange horn is to make a mini-VOTT, which I'm calling the eight π loudspeaker. Since the rear chamber is made arbitrarily large, it occured to me that it could be ported, made 5.5ft³ or so and house an Alpha 10.

http://www.pispeakers.com/8Pi_drawing.gif

Conceptualized eight π Loudspeaker

It's intended to be used in corners, but can just as well be put against a single wall. Placement isn't quite as critical as a cornerhorn because it isn't a cornerhorn. The tweeter would be a PSD2002 on a 1kHz horn, and it would be mounted with the mouth edge flush with the midhorn. If you have the means, the wood horn is nice but on a budget, the H290 would work perfectly and could be housed in a nice small subenclosure that would look really nice. There's lots of ways to make this work well and look good too.

I haven't done any testing of this yet, but I did bolt the midhorns up to a pair of tower two π speakers. It was really impressive. The bass is incredible, and the midrange is nice too.

I like the midrange from the Alpha 10's in the two π, but their weakness is in the 2kHz to 4kHz overtone region. The coil in the two π's reduces some of the Alpha 10's harshness there, but the eight π configuration really makes 'em sing. It's amazing what this little forty dollar midwoofer will do.

I'm really excited about this new little speaker. It isn't intended to outperform the higher-priced cornerhorns or anything like that, but it does have a place in the lineup somewhere near the Thermionic and Theater Series cornerhorns. It should be a good performer with classic looks. The cabinetmakers can have a field day with two-tone and forties style finishes.

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[Message index]

		Midrange Horn By: Wayne Parham on Mon, 12 April 2004 01:00
		Horn Basics By: Wayne Parham on Mon, 12 April 2004 01:01
		Cabinets By: Wayne Parham on Mon, 12 April 2004 01:02
		Implementation By: Wayne Parham on Mon, 12 April 2004 01:03
		Re: Implementation By: Adrian Mack on Mon, 12 April 2004 03:08
		Re: Implementation By: Wayne Parham on Mon, 12 April 2004 03:39
		Re: Implementation By: Adrian Mack on Mon, 12 April 2004 05:00
		Re: Implementation By: Wayne Parham on Mon, 12 April 2004 06:17
		Re: Implementation By: Adrian Mack on Mon, 12 April 2004 06:51
		Re: Implementation By: Adrian Mack on Mon, 12 April 2004 18:03
		Re: Implementation By: Wayne Parham on Mon, 12 April 2004 21:11
		funny old woofers By: Mike.e on Mon, 12 April 2004 20:53
		Re: funny old woofers By: Bill Wassilak on Tue, 13 April 2004 10:13
		Re: Implementation By: Wayne Parham on Fri, 16 April 2004 11:00
		Re: Implementation By: Adrian Mack on Fri, 16 April 2004 18:30
		Re: Implementation By: Wayne Parham on Fri, 16 April 2004 18:39
		Re: Implementation By: GarMan on Tue, 13 April 2004 11:22
		Re: Implementation By: Wayne Parham on Wed, 14 April 2004 08:38
		eight π By: Wayne Parham on Mon, 12 April 2004 01:04
		How about the Beta 10CX By: JLapaire on Mon, 12 April 2004 10:44
		Re: How about the Beta 10CX By: Wayne Parham on Mon, 12 April 2004 16:53
		Dimensions By: JLapaire on Tue, 13 April 2004 06:31
		Re: Dimensions By: Wayne Parham on Tue, 13 April 2004 16:21
		Re: eight π By: wasteh202 on Wed, 02 June 2004 22:11
		Re: eight π By: Wayne Parham on Fri, 11 June 2004 09:42
		Re: Midrange Horn By: dwkurfma on Wed, 14 April 2004 11:46
		Re: Midrange Horn By: Adrian Mack on Wed, 14 April 2004 18:00
		Re: Midrange Horn - Thanks! n/t By: dwkurfma on Wed, 14 April 2004 20:59
		7PI midrange horn angle By: hornT on Tue, 09 March 2010 15:01
		Re: 7PI midrange directivity By: Wayne Parham on Tue, 09 March 2010 15:20
		Re: 7PI midrange directivity By: hornT on Wed, 10 March 2010 01:36
		Re: Midrange Horn By: danielm on Sat, 03 April 2010 08:56
		Re: Midrange Horn By: Wayne Parham on Sat, 03 April 2010 09:19
		Re: Midrange Horn By: danielm on Sat, 03 April 2010 10:16
		Re: Midrange Horn By: Wayne Parham on Sat, 03 April 2010 16:21
		Re: Midrange Horn By: danielm on Sat, 03 April 2010 18:23
		Re: Midrange Horn By: Wayne Parham on Sat, 03 April 2010 19:47
		Re: Midrange Horn By: tom-m on Sun, 04 April 2010 20:04
		Re: Midrange Horn By: Wayne Parham on Sun, 04 April 2010 20:43
		Re: Midrange Horn By: tom-m on Tue, 11 May 2010 22:26
		Re: Midrange Horn By: Wayne Parham on Mon, 19 July 2010 20:13
		MID HORN FLAT PACK By: biglaz on Thu, 02 September 2010 12:23
		Re: MID HORN FLAT PACK By: Wayne Parham on Thu, 02 September 2010 13:28
		Midhorn Flat Pack Tips By: Bane2871 on Wed, 24 August 2011 13:29
		Re: Midhorn Flat Pack Tips By: Wayne Parham on Wed, 24 August 2011 13:37
		Re: Midhorn Flat Pack Tips By: Bane2871 on Wed, 24 August 2011 16:56
		Re: Midhorn Flat Pack Tips By: Wayne Parham on Wed, 24 August 2011 17:02
		Re: Midrange Horn By: Bane2871 on Fri, 26 August 2011 17:28
		Re: Midrange Horn By: Wayne Parham on Fri, 26 August 2011 18:09
		Re: Midrange Horn By: djnagle on Fri, 24 February 2012 11:58
		Re: Midrange Horn By: Wayne Parham on Fri, 24 February 2012 12:47
		Re: Midrange Horn By: cookiemonster on Fri, 06 September 2013 16:16
		Re: Midrange Horn By: Wayne Parham on Fri, 06 September 2013 20:35
		Re: Midrange Horn By: cookiemonster on Mon, 09 September 2013 07:49
		Re: Midrange Horn By: Wayne Parham on Mon, 09 September 2013 08:29
		Re: Midrange Horn By: petew on Mon, 09 September 2013 15:04
		Re: Midrange Horn By: Wayne Parham on Mon, 09 September 2013 18:00

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