Audiophiles don`t use their equipment to listen to your music. Audiophiles use your music to listen to their equipment.
The first diagram is from the original RF7 MK II. This measurement diagram was published by the German Hi-Fi Magazine "Audio". First axial, the 10 degrees high, 30 degrees, 60 degrees and 90 degrees.
The second diagram shows the measurement of my modified Queen RF7 MKII, axial only.
The third diagram shows the measurement diagram of an RF7 MK III. It was published by the English HiFI magazine Henley Audio UK.