Chris A Posted February 1, 2017 Share Posted February 1, 2017 22 hours ago, jazzmessengers said: I have Geddes Nathans in my HT, so I've been living with constant directivity speakers for a while. Those have directivity issues below ~500 Hz. It's the 100-500 Hz band which you probably have never heard constant directivity. The SH-50s don't have direct-radiating coverage issues in that band. GedLee Nathan polar coverage plot: Danley SH-50 polar plot: This subject is a blind spot area for Earl Geddes, I've found, along with horn-loaded bass, the effects of low modulation distortion--which is connected to horn efficiencies, and his idea of not listening to horns on-axis...because his horns don't perform very well on-axis (oblate spheroid throats). Earl's in denial on these issues, I believe. Chris Quote Link to comment Share on other sites More sharing options...
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