I was looking at rythmic website, and it apears that the frequency response spec and crossover range are different then what is listed here on ascend web site.

Frequency response D15SE and F15 are 14 - 90 Hz (rythmic website)
Frequency response D15SE and F15 are 14-90HZ for the D15se and 14-100HZ for the F15
Also it apears that the crossover range is 25-100 (rythmic) where as here are 40-100.

Can someone from ascend confirm?

thanks