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Re: 3 Pi dimensions and QSC 152 waveguide [message #68901 is a reply to message #68897] Mon, 08 August 2011 08:10 Go to previous message
Wayne Parham is currently online  Wayne Parham
Messages: 18759
Registered: January 2001
Illuminati (33rd Degree)

The Econowave was based on my design, and its design principles are the same. What you read in the High-Fidelity Uniform-Directivity whitepaper is what the Econowave borrows from.
Both a 12" and a 15" midwoofer can be used to good effect in a system like this because both are large enough to become directional in the upper midrange. This is a sweet spot, in that larger drivers can't reach high enough and smaller drivers don't become directional enough. But 12" and 15" midwoofers can be used to make a great DI-matched two-way loudspeaker.

 
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