JBL SYNTHESIS SCL-1, Owner'S Manual

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nOTe: Some perforated projection screens have a batten bar or crossbar centered across the screen frame (Figure 4).
In such cases make sure the bar does not block the horn. Position vertically oriented speakers so that the bar crosses
in front of the speakers at the edge of the horn closest to the central woofer.
Batten bar or crossbar
Figure 4
If a non-perforated projection screen, LCD/plasma/OLED display is being used in the installation, the SLC-1 may be
used in horizontal orientation mounted directly below or above and as close as possible to the video display (Figure 5).
nOTe: It is extremely important to place the center, left and right speakers as close as possible to the same height.
The horn in the center channel speaker should be no more than 2 feet (61cm) higher or lower than those in the left
and right speakers. This preserves the localization integrity of “sound pans” in which the sound appears to move from
left to center to right. If the program material also appears to travel up and down, it can destroy the illusion of lifelike
panning effects. To mitigate the height difference between the center speaker the Left and Right channel speakers
should be lowered slightly. (Figure 5).
LCD TV
Figure 5