Wayne Parham Messages: 18778 Registered: January 2001
Illuminati (33rd Degree)
I have an on-axis response chart of the three π loudspeaker with Delta 12LF and PSD2002, but it's an old one measured pseudo-anechoically with Speaker Workshop. When I have time, I'll make a set of measurements outdoors with LMS. Until then, here is the Speaker Workshop chart: