Thanks, Wayne ... graph looks terrible on both Eminences from 1500hz up. Am I missing something? You have heard, I have never. Horns may help, but WG's probably not. Zene
Wayne Parham Messages: 18726 Registered: January 2001
Illuminati (33rd Degree)
What you're seeing are breakup modes. They make the curve rise like that, but they actually measure pretty consistently. It's not a choppy curve, it's a steady rise. That helps midhorns with these drivers have useable response above 1kHz. Without that response curve shape, you wouldn't have much output up high.
Wayne ... Quick thanks and follow up. How high can I take each of the four and still maintain low distortion? They will be used in WG's so top end won't be as restricted compared to horns. Zene
Wayne Parham Messages: 18726 Registered: January 2001
Illuminati (33rd Degree)
You'll find that the horn will naturally limit upper response for you, unless you add a phase plug. The acoustic low-pass filter formed by the horn makes a nice natural limiter of high frequency breakup.
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