KEF LSX II User Manual page 65

Understanding the EQ Settings
On a desk/distance from the front edge of the table (Expert Mode: Desk Mode): This
setting adjusts the "presence" region (170 Hz +/- 1 octave). Too much causes a muddy
sound, while a lack of presence makes the sound distant and empty.
Distance to the wall (Expert Mode: Wall Mode): This setting adjusts all frequencies
from around 500 Hz downwards, causing broader changes than Desk Mode. A dip
in these frequencies causes a tinny sound, while too much of these frequencies can
overwhelm the overall presentation with lower frequencies.
How is your room? (Expert Mode: Treble Trim): This adjusts the frequencies above
500 Hz. A damped room (lots of curtains, soft furnishings) can make sound seem
muted, while a lively room (high ceiling, flat surfaces, glass) can make it sound harsh.
Move towards damped to reduce the muting effect, or move towards lively to tame
harshness.
How large is your room (Expert Mode: Bass Extension): This setting adjusts the bass
extension of the speakers. The larger the room selected, the lower the roll-off point.
Balance Control: This setting allows you to adjust the volume balance between the left
and right channels.
Understanding the Subwoofer Settings
Subwoofer/Speaker Balance (Basic Mode): This controls the bass output between the
subwoofer and the speakers. If the slider is moved more to "Subwoofer", most of the
bass output will be handled by the subwoofer.
High-Pass Frequency: Frequencies above the set point will be played by the speakers.
Sub Out Low-Pass Frequency: Frequencies below the set point will be handled by the
subwoofer. This can overlap with the high-pass frequency to help integrate the speaker/
subwoofer more effectively with no dip or peak in overall response.
Sub Gain: This changes the signal level output to the subwoofer.
Sub Polarity: Ideally, the speakers and subwoofer should be moving in the same
direction at the same time, otherwise frequencies can be cancelled out. Switching the
polarity of the subwoofer can resolve a perceived lack of bass response.
Are you using a KW-1?: KW-1 is a subwoofer adapter kit which transmits signals
wirelessly, enabling your subwoofer to be optimally placed. Enable this option if you are
using KW-1.
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