JBL SDP-40 manual ULTRA2 SUB, BGC Boundary Gain Compensation, ASA Advanced Speaker Array, Setup

SDP-40

SETUP

ULTRA2 SUB ON, OFF

SETUP SPEAKERS SET CROSSOVERS CUSTOM SETUP @** ULTRA2 SUB

OR SETUP SPEAKERS SET CROSSOVERS THX SETUP @** ULTRA2 SUB

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

SETUP SPEAKERS SET CROSSOVERS CUSTOM SETUP BGC OR

SETUP SPEAKERS SET CROSSOVERS THX SETUP BGC

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.

ASA (Advanced Speaker Array) ON, OFF

SETUP SPEAKERS SET CROSSOVERS CUSTOM SETUP ASA OR

SETUP SPEAKERS SET CROSSOVERS THX SETUP ASA

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.

3-31