Sorry @georgehifi , what is EPDR?
I looked at the Stereophile measurements (which I do trust, unlike the subjective reviews), and while pretty bad for a full-range dynamic speaker, I only see a drop to 2 Ohms in the bass, with a moderate phase angle:
https://www.stereophile.com/content/wilson-audio-specialties-alexia-loudspeaker-measurements
This is certainly an example of a hard-to-drive speaker however.
I looked at the Stereophile measurements (which I do trust, unlike the subjective reviews), and while pretty bad for a full-range dynamic speaker, I only see a drop to 2 Ohms in the bass, with a moderate phase angle:
https://www.stereophile.com/content/wilson-audio-specialties-alexia-loudspeaker-measurements
This is certainly an example of a hard-to-drive speaker however.