Here are response and impedance charts of the π Speakers 90° wood tweeter horn with the B&C DE250 compression driver. Eminence PSD2002 compression driver data is overlaid for comparison. Both are good drivers, but the DE250 is slightly smoother, has a bit more HF extension and is about 2dB more sensitive. The DE250 curves are violet and the PSD2002 curves are blue.

ImpedanceResponse

π Speakers 90° wood tweeter horn

(Click on any of the pictures or charts below for a larger view)