Atlas Sound XLTE Operating Precautions, 9.1POWERSENSE DDP, 9.1.2PowerSense DDP Circuit Operation

Contents XLT / XLTE FULL-RANGESYSTEMS AND SUBWOOFERSPage COMMUNITY PROFESSIONAL LOUDSPEAKERS DIN EN EC STATEMENT OF CONFORMITYDIN EN 55013 08-1991 DIN EN Community Light & Sound, Inc. 333 East 5th StreetCHAPTER TABLE OF CONTENTSDIAGRAMS and TABLES PAGE1 INTRODUCTION 1.3IMPORTANT SAFETY INFORMATION1.2MODEL NUMBER USAGE IN THIS MANUAL 2 UNPACKING AND INSPECTION Page Page Figure 1 Physical Features Table 1 Physical Features Matrix 3 PHYSICAL FEATURES See FIGURE3.1FEATURES MATRIX 3.2FEATURES DESCRIPTIONSFootnotes for Physical Features Phillips pan-head screws4.3.1High Frequency Driver 4.1ABBREVIATED OPERATING INSTRUCTIONSTable 2 Product Listing 4.3DRIVERS 4.3.2Mid Frequency Driver 46 models only4.3.4Ferrofluid Cooling 4.6.1PASSIVE / BIAMP Switch4.6.2HF-LevelSwitch 4.4PATTERN CONTROL HORNS4.7POWER HANDLING 4.6.4PowerSense DDP Circuit4.6.5PowerSense Indicators 4.6.3Subwoofer Full-RangeOutput4.8.3Feet XLTE only 4.8.1Permanent Mounting4.8.2Corner Protectors and Stacking XLT only 4.8.4Carrying Handles4.9.23rd Party Accessories 4.9OPTIONAL ACCESSORIES4.9.1Community Accessories 4.8.641 Positioning and Horn Rotation5.1CHOOSING A POWER AMPLIFIER 5 SETUP AND OPERATION5.1.2Power Amplifier Load Impedance Table 5 Recommended Amplifier Power for Subwoofer FIGURE 2 PASSIVE Mode Configurations FIGURE 3 BIAMP Mode Configurations Table 6 Loudspeaker Wire Gauge Selection 6 ELECTRICAL INSTALLATION6.1.1Loudspeaker Wire Gauge 6.1LOUDSPEAKER CABLE6.3.2Load Impedance When Paralleling Loudspeakers 6.2.2Internal Input Jack Wiring6.3.1Parallel Connector Wiring 6.2.1Choosing an Input Jack6.4.1PASSIVE Mode Wiring See FIGURE 6.4CONNECTING THE LOUDSPEAKERSFIGURE 4: Wiring for PASSIVE Mode Full-Range FIGURE 6 Wiring for Subwoofer 6.4.2BIAMP Mode Wiring See FIGUREFIGURE 5 Wiring for BIAMP Mode Full-Range 6.4.3Subwoofers See FIGURE7.1FRONT GRILLE 7 PHYSICAL INSTALLATION7.1.1Removing and Re-installingthe Grille 7.1.2Custom Grille Cloth7.4MOUNTING AND RIGGING 7.3.1Model 41 Horn Orientation7.3.2Model 42 and IMPORTANT NOTE Mounting/Rigging Point HolesFIGURE 8 XLT Mounting Points 7.4.2Using the Community CSSUPKIT Suspension KitFIGURE 7 Mounting Point Detail - Pull Direction DANGERDANGER See FIGURE 7.4.3Using the Community WB1 Mounting Accessory7.4.4Stand Bracket Inserts 46 and 48 only FIGURE 9 XLTE Mounting / Rigging PointsFIGURE 10 XLTE Mounting / Rigging Point Detail 7.5.1Using the Community EYBLTKIT7.6STACKING ENCLOSURES 8.2FINAL ADJUSTMENTS 8 ACOUSTICAL ADJUSTMENTS8.1INITIAL TESTING 8.2.1Electronic Gain Structure8.2.3Volume Level Balancing 8.2.2Residual Noise8.3.2Equalization Tips 8.3.1HF-LevelSwitch8.3EQUALIZATION 8.4FINAL RESULTS9.1.1Operating Modes and PowerSense DDP 9 OPERATING PRECAUTIONS9.1POWERSENSE DDP 9.1.2PowerSense DDP Circuit Operation9.3ACOUSTIC VOLUME LEVEL PRECAUTIONS FIGURE 11 Amplifier Clipping9.4TESTING AND TEST SIGNALS FIGURE 12 Sound Exposure Limits10.1.1LF Drivers 10.1ACCESSING THE DRIVERS10 SERVICING THE LOUDSPEAKER 10.1.2MF and HF Drivers11 TECHNICAL SPECIFICATIONS 11.1FULL-RANGEMODELS11.2MONITOR SPEAKERS AND SUBWOOFERS 12 IN CASE OF DIFFICULTY No bass No high frequencies 13WARRANTY INFORMATION AND SERVICE Transferable Limited Warranty9907007F APPENDIX - XLT41E and XLT48E Table 8 Additional Model SpecificationsC. Specifications A. XLT41E and XLT48E Additional ModelsINDEX Page Page Page Page Page Phone 610 876-3400Fax 333 East 5th Street, Chester, PA1999 Community Light & Sound, Inc. 991015Cm