XP Series User's manual - Page 15
FRQH:
The filter cut-off frequency for the high frequency crossover point (low pass)
ranges from 20 to 30kHz in either 1Hz steps or 1/36 octave steps. The
frequency steps can be selected in the
System Menu
. Please refer to
page 21 for more details.
SLPH:
The filter slope for high frequency crossover point (low pass) ranges from 6
to 48dB/octave. If the selected filter type is Linkwitz Riley, the available
slopes are 12, 24, 36 or 48 dB/octave only.
Filter
configuration
Low crossover
point
High crossover
point
None
FTRL Off
FTRH Off
Highpass
FTRL not Off
FTRH Off
FRQL
Lowpass
FTRL Off
FTRH not Off
FRQH
Bandpass
FTRL not Off
FTRH not Off
FRQL FRQH
O1:______ XOver
FRQH:1000Hz
O1:______ XOver
SLPH:24dB
