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I designed the 9π and 12π speakers with WAF in mind [message #49911 is a reply to message #49910] Tue, 22 August 2006 22:43 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18689
Registered: January 2001
Illuminati (33rd Degree)
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Re: Give us the "pitch"... 9π / 12π hifi [message #49912 is a reply to message #49909] Tue, 22 August 2006 22:48 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18689
Registered: January 2001
Illuminati (33rd Degree)

Each horn is about 106dB/W/M. You could drive them with a SET, but I think they're pretty big for home hifi use. I've definitely worked extra hard to make them as high-fidelity as possible though, so I think they're pretty hard to beat. If a guy has the space, they're really excellent speakers, all the right stuff used in all the right ways.


Re: He who WAF's wast, WAF's best! [message #49916 is a reply to message #49911] Wed, 23 August 2006 13:08 Go to previous messageGo to next message
Bill Epstein is currently offline  Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA
Illuminati (2nd Degree)
I need a 9Pi!

They're going back soon and I've been wondering how to replace the XLH 1812's 'cause the bass definition from the 2241's is just too good to be w/o.

But I won't miss their bulk!

Maybe building really shallow, wider cabinets to accomodate a direct radiator 2241, a direct 10" whether 2123 or 2012, and the 2442 with a waveguide instead of a horn?

That's basically the XLH without the 31"x31" horn.

I don't remeber if the 2241 wants 9 or 11 cu ft.?

How does 30x42x14 sound?



Re: He who WAF's wast, WAF's best! [message #49917 is a reply to message #49916] Wed, 23 August 2006 14:45 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18689
Registered: January 2001
Illuminati (33rd Degree)

I really like the JBL 2241 driver. It works well in cabinets from 4.0ft3 to 12.0ft3 tuned to ~32Hz. A JBL 2241 in ten cubic feet tuned to 32Hz provides nice flat response with f3 of 35Hz and f10 of 25Hz.


Re: Front chamber/Rear chamber??? [message #49918 is a reply to message #49912] Wed, 23 August 2006 18:52 Go to previous messageGo to next message
Bill Epstein is currently offline  Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA
Illuminati (2nd Degree)
Rear chamber encloses the driver but what's the front chamber?

Re: Front chamber/Rear chamber??? [message #49919 is a reply to message #49918] Wed, 23 August 2006 19:40 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18689
Registered: January 2001
Illuminati (33rd Degree)

The front chamber area is the space between the diaphragm and the throat. It is between the driver's cone or dome and the horn's throat baffle plate or phase plug.


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