JBL LS326C - Manual (Page 6)

6
NEW CONSTRUCTION
If you wish to preinstall a rough-in frame before the drywall is installed,
you will need to purchase the correct rough-in-frame kit for your model:
Speaker Model Rough-In-Frame Kit
L226W, LS326W RIF 6
L226C, LS326C RIF 6CS
L228C, LS328C RIF 8C
Detailed installation instructions are supplied with the rough-in kit.
PAINTING THE SPEAKER
FRAME AND GRILLE
Studio L in-wall and in-ceiling loudspeakers can be painted to match any
décor. If you wish to change their color, the satin finish on the grille and frame
will function as a primer coat. Before painting, install the paint shield (inner
section of template in the assembly kit) securely into the recess in the baffle.
This will protect the speaker components and baffle from paint residue. Use
a high-quality spray paint, and apply a thin coat of color. Be certain the grille
perforations remain free of paint. Filling them with paint will diminish the
sound quality.
NOTE: Gently remove the acoustical foam blanket from the grille before
painting. Reattach the blanket after the paint has dried.
OPERATION
SURROUND MODES
When using the system in a Dolby ® Digital or DTS ® home theater system,
make sure all speakers are set to “Small.” When using the Studio L in-wall
and in-ceiling speakers in a Dolby Pro Logic
® home theater system, make sure
the receiver’s center channel mode is set to “Normal.”
Some Dolby Digital-equipped receivers/processors offer different setup
options for each source or surround mode: e.g., CD-stereo, videotape, Dolby
or Pro Logic. In each case, follow your equipment’s instructions to ensure that
the subwoofer (if you have one) output is turned on and that the speakers are
set to “Small” in each mode.
TWEETER-LEVEL CONTROL
In most typical listening rooms, this switch should be left in the neutral or
“0” position. This setting will deliver the most neutral and balanced sound.
In some extreme cases, it may be desirable to slightly boost or cut the
tweeter’s output, depending upon the room layout, construction and
furnishings.
If the room is sparsely furnished, contains large exposed windows or is
otherwise very reverberant, you may want to set the control to the “–”
(–1.5dB) position. If the room is exceptionally absorbent because it is well
furnished or has thick curtains and/or carpet, you may want to increase
the tweeter output by setting this switch to the “+” position (+1.5dB).
BOUNDARY COMPENSATION CONTROL
LS326W, LS326C, LS328C
This control is designed to be engaged when positioning the loudspeaker
within two feet of another surface to eliminate the bass peak caused by
the second surface and to maintain a smooth, natural bass response. For
example, if you need to install an in-ceiling speaker within two feet of a side
wall or corner, it is recommended that the Boundary Compensation control
be set to the “On” position. Likewise, if it is necessary to install an in-wall
speaker within two feet of the floor, ceiling or corner, the control should be
set to the “On” position. In all other installations, the control should typically
be set to “Off”.
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