AudioFred Messages: 377 Registered: May 2009 Location: Houston
Illuminati (1st Degree)
Thanks, Wayne and Bill, for the feedback. The tweeter issue is solved. Each amp has a volume control, and I turned the tweeter amp's volume down and readjusted the dbx's tweeter attenuation to compensate. The hiss I described would be inaudible with the typical 89dB sensitivity dome tweeter unless you put your ear to it, but it's amazing how loud it can be with a 109dB compression driver.
Wayne, I did some intital measurements to dial in the driver levels and top-octave EQ. I'll be checking the forward lobe and the off axis response as well.