Krell Industries MASTER REFERENCE SUBWOOFER - Manual (Page 43)

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3. Low-pass Filter Level
a. Press the level key (42).
b. Use the adjust keys (43) to select the desired level setting (in 1 dB incre-
ments). Level range is ± 6 dB.
Note
See Step IV. Match the High-pass and Low-pass Filter Levels, on page 38, for more
information on level matching.
D. Select the High-pass Filter
Press the section high key (36) on the remote control to select the high-pass
filter. The front panel display (4) shows HIGH ADJ .
E. Select the High-pass Filter Profile
Press the type key (39) to access the filter profile. Press the adjust keys (43) to
select the profile you want. The Master Reference Subwoofer has three filters
profiles available: Bessel, Butterworth and Linkwitz-Riley.
F. Adjust the High-pass Filter Parameters
IMPORTANT
Adjust the parameters in this order: slope, frequency, and level.
1. High-pass Filter Slope
a. Press the slope key (40).
b. Use the adjust keys (43) to adjust the slope (in 6 dB increments). The
high-pass filter has a range from 6 dB to 24 dB.
2. High-pass Filter Frequency
a. Press the frequency key (41).
b. Use the adjust keys (43) to select the desired frequency setting (in 10 Hz
increments). The frequency selectable ranges from 30 Hz to 100 Hz.
3. High-pass Filter Level
a. Press the level key (42).
b. Use the adjust keys (43) to select the desired level setting (in 1 dB
increments).