Bill Epstein Messages: 1088 Registered: May 2009 Location: Smoky Mts. USA
Illuminati (2nd Degree)
Wayne Parham wrote on Thu, 07 June 2012 10:07
We use Erse Super Q (laminated steel-core) coils in the constant directivity cornerhorns - but do not use them in the matched-directivity two-ways. The woofer in the cornerhorns is only used for bass and so an iron core is fine. But the two-ways run the woofer through the midrange, and I suggest air-core coils only for them.