Here is the FR of the BP7000 from Home Theater:
The BP7000SC’s listening-window response (a five-point average of
axial and +/–15-degree horizontal and vertical responses) measures
+2.50/–3.64 decibels from 200 hertz to 10 kilohertz. The –3dB point is at
22 Hz, and the –6dB point is at 21 Hz. Impedance reaches a minimum of
2.92 ohms at 424 Hz and a phase angle of –37.82 degrees at 154 Hz.
Sensitivity averages 91 dB from 500 Hz to 2 kHz.
View attachment 9189
The BP7000 is the very top graph.