L-Acoustics dV-SUB - Page 5

dV-DOSC dV-SUB Manual V3.0 June 2005 5
Optimization Procedure..............................................................................................................................66
dV-DOSC Single Point Hang Utility .....................................................................................................................67
dV-DOSC Downfill / Upfill Simulation.........................................................................................................68
Output Data ................................................................................................................................................70
H-ISOCONT SHEET..........................................................................................................................................71
Input Data....................................................................................................................................................71
Optimization Procedure..............................................................................................................................72
Output Data ................................................................................................................................................72
2.4 dV-DOSC COVERAGE MODELING USING SOUNDVISION..........................................................................74
3. SOUND DESIGN ................................................................................................................................77
3.1 STACKED OR FLOWN? ...............................................................................................................................77
Stacking Guidelines ......................................................................................................................................78
Rigging Guidelines........................................................................................................................................79
3.2 ACHIEVING OPTIMUM COVERAGE ............................................................................................................80
3.2.1 THE LEFT/RIGHT CONFIGURATION .......................................................................................................80
Tradeoffs Between Intelligibility and Stereo Imaging...................................................................................81
3.2.2 LEFT/CENTRE/RIGHT (LCR) CONFIGURATIONs......................................................................................82
3.3 MULTIPLE ARRAY CONCEPTS .....................................................................................................................83
3.4 SUBWOOFERS............................................................................................................................................84
General Guidelines for the Use of Subwoofers ...........................................................................................84
3.4.1 Flown dV-DOSC, Ground Stacked SB Subwoofers (3-way system operation) .................................85
3.4.2 Physically Coupled dV-SUB/dV-DOSC (3-way system operation).....................................................86
3.4.3 Hybrid Flown/Ground Stacked Subwoofers (4-way system operation).............................................88
3.4.4 Time Alignment: Flown/Ground Stacked Subwoofers .......................................................................89
3.4.5 Preset Selection: Flown/Ground Stacked Subwoofers .......................................................................89
3.4.6 Large Format Flown/Ground Stacked Subwoofer Configurations .....................................................90
3.5 SUBWOOFER ARRAYING TECHNIQUES .....................................................................................................91
3.5.1 LEFT/RIGHT CONFIGURATIONS....................................................................................................91
3.5.2 CENTRAL LINE ARRAY WITH ELECTRONIC DELAY PROCESSING............................................93
3.5.3 LEFT/CENTRE/RIGHT CONFIGURATIONS....................................................................................94
4. INSTALLATION PROCEDURES .......................................................................................................96
4.1 STACKED SYSTEMS.....................................................................................................................................96
Stacking dV-DOSC Standalone....................................................................................................................96
Stacking on top of V-DOSC.......................................................................................................................100
Stacking on top of SB218 Subwoofers.......................................................................................................103
Stacking dV-SUB Subwoofers....................................................................................................................107
Stacking dV-DOSC on top of dV-SUBS.....................................................................................................109
Procedure 1: Stacking without dV-BUMP .................................................................................................109
Procedure 2: Stacking with dV-BUMP or dV-BUMP2 ..............................................................................112
4.2 FLOWN SYSTEMS.....................................................................................................................................114
Standalone Rigging with dV-BUMP or dV-BUMP2....................................................................................114
Trim and Angle Adjustments .....................................................................................................................120
Rigging dV-DOSC under V-DOSC with dV-DOWN ................................................................................121
Rigging dV-SUB Standalone .......................................................................................................................125
Rigging dV-DOSC Under dV-SUB (3+1 configuration) ............................................................................127
Rigging dV-DOSC Under dV-SUB (larger configurations).........................................................................130
Procedure 1 (2 dV-SUB + 6 dV-DOSC)...................................................................................................130
Procedure 2 (larger configurations)...........................................................................................................131