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3. Using a subwoofer:
If you plan to use a subwoofer with your CX monitors, you will need to filter out low
frequency sounds so that only the subwoofer plays low-frequency sounds (the CX
monitors will only play midrange and high-frequency sounds, in this scenario). This
needs to be done so that the subwoofer and CX monitors do not both play the same
low-frequency sounds, causing a greatly exaggerated bass response within your
studio.
The CX line of monitors address all three of these issues with the following switches:
Acoustic Space Switch
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As stated earlier in this section, your CX
monitors should ideally be placed at least one
foot away from the nearest wall, ceiling, or
other large, flat surface. In the real-world, this
may be impractical due to space limitations
within your studio. For that reason, CX
monitors feature an Acoustic Space Switch.
This switch compensates for placement near
walls by “shelving” (reducing) frequencies below 200 Hz. This switch should be set
as follows:
0dB This default setting should be used if the monitors are placed at least one
foot away from the nearest wall.
-2dB This setting reduces frequencies below 200 Hz by 2dB. Use this setting if
the speakers must be placed closer than one foot from the nearest wall.
-4dB This setting reduces frequencies below 200 Hz by 4dB. Use this setting if
the speakers must be placed within one foot of the corner of a room (i.e.,
the intersection of two walls).
TIP: Be sure to leave at least
3” of space between the rear of
the speaker and a wall to allow
the rear-firing port to “breathe”
properly. Placing the speaker
any closer than 3” may adversely
affect low-frequency response.