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SETUP
SDP-40
3-31
ULTRA2 SUB ON, OFF
Select ON if the subwoofer using the Main Zone audio output
connectors labeled Subwoofer L/R is THX Ultra2-certified. When
ON is selected, the BGC parameter can be used to adjust boundary
gain compensation. Select OFF if the subwoofer using the Main
Zone audio output connectors labeled Subwoofer L/R is not THX
Ultra2-certified. When OFF is selected, the BGC parameter is not
available (N/A).
BGC (Boundary Gain Compensation) ON, OFF
Adjusts boundary gain compensation when the ULTRA2 SUB
parameter is set to ON. When ON is selected, a highpass 55Hz filter
is applied to all Main Zone audio output connectors and listening
modes. When OFF is selected, no filter is applied to the Main Zone
audio output connectors and listening modes.
Note:
The BGC parameter compensates for increased bass
energy caused by the proximity of the speakers to the
listening room walls.
BGCTHX SETUPSET CROSSOVERSSPEAKERSSETUP
OR
BGCCUSTOM SETUPSET CROSSOVERSSPEAKERSSETUP
@** ULTRA2 SUBTHX SETUPSET CROSSOVERSSPEAKERSSETUP
OR
@** ULTRA2 SUBCUSTOM SETUPSET CROSSOVERSSPEAKERSSETUP
ASA (Advanced Speaker Array) ON, OFF
A proprietary THX technology that processes rear channel signals
to optimize the listening experience for THX Ultra2 listening
modes. The ASA parameter is not available unless side and rear
speakers are present and the 5.1 ULTRA2, 5.1 MUSIC,
ULTRA2, MUSIC, 5.1a ULTRA2, or 5.1a MUSIC
listening mode is activated.
To maximize the effectiveness of ASA processing, it is recommended
to configure a 7-channel speaker setup in which the rear speakers
are placed close together facing the center of the listening space.
• Select APART if the distance between the rear speakers is
greater than 4 feet (1.2m).
• Select CLOSE if the distance between the rear speakers is
greater than 1 foot (0.3m), but less than 4 feet (1.2m).
• Select TOGETHER if the distance between the rear speakers is
less than 1 foot (0.3m).
Note:
When the 7/5 button is used to toggle between 7- and
5-channel playback, the SDP-40 automatically:
• Activates ASA processing during 7-channel
playback and deactivates ASA processing during
5-channel playback.
• Switches between the 5.1 ULTRA2 and 5.1
, ULTRA2 and , or 5.1a
ULTRA2 and 5.1a listening modes.
ASATHX SETUPSET CROSSOVERSSPEAKERSSETUP
OR
ASACUSTOM SETUPSET CROSSOVERSSPEAKERSSETUP