L-Acoustics dV-SUB - Page 7

dV-DOSC dV-SUB Manual V3.0 June 2005 7
Figure 42: Horizontal dV-DOSC isocontour........................................................................................................60
Figure 43: Defining Cutview Dimensions.............................................................................................................64
Figure 44: Parameters for the ROOM DIM Utility Sheet in ARRAY....................................................................64
Figure 45: ARRAY 2004 Geometric Data for dV-DOSC......................................................................................65
Figure 46 (a): Cutview showing non-constant enclosure site angle impact spacing for an 8 enclosure constant
curvature dV-DOSC array (4.5 degrees between all enclosures)................................................................66
Figure 46 (b): Cutview showing constant enclosure site angle impact spacing for an 8 enclosure variable
curvature dV-DOSC array (inter-enclosure angles = 1, 1, 2, 3, 3.75, 5.5, 7.5 degrees).............................66
Figure 46 (c): Plan view representation of non-constant (a) versus constant spacing (b) ....................................66
Figure 47: dV-DOSC single point hang simulation ...............................................................................................67
Figure 48: dV-DOSC downfill simulation (tightly wrapped).................................................................................68
Figure 49: dV-DOSC downfill simulation (extended coverage) ...........................................................................68
Figure 50: dV-DOSC downfill simulation (circuiting issues).................................................................................69
Figure 51: dV-DOSC upfill simulation ..................................................................................................................69
Figure 52: dV-DOSC mechanical data..................................................................................................................71
Figure 53: dV-DOSC Isocontour..........................................................................................................................72
Figure 54: ARRAY 2004 spreadsheet calculation example ...................................................................................73
Figure 55: Plan view SPL mappings at octave band frequencies for 12 dV-DOSC ..............................................75
Figure 56: Impact coverage and SPL mappings for 12 dV-DOSC ........................................................................76
Figure 57: Distributed, field level stacked dV-DOSC systems for stadium sound reinforcement ..................78
Figure 58 a,b,c: Flown system examples........................................................................................................79, 80
Figure 59: Tradeoffs between intelligibility versus stereo imaging.......................................................................81
Figure 60: LCR Configuration for theatrical sound reinforcement (L/R=V-DOSC, C=dV-DOSC) ...................82
Figure 61: LCR system example...........................................................................................................................82
Figure 62: Generic rigging plot (main L/R FOH and LL/RR offstage fill arrays) ....................................................83
Figure 63: Flown dV-DOSC and ground stacked SB218 3-way system configurations .......................................85
Figure 64: Flown dV-DOSC and ground stacked subwoofer time alignment......................................................85
Figure 65: Physically coupled subwoofer configurations ......................................................................................86
Figure 66: Hybrid stacked/flown dV-DOSC/dV-SUB arrays and centre cluster ..................................................87
Figure 67: Hybrid flown/stacked subwoofer configurations.................................................................................88
Figure 68: Recommended time alignment location for flown dV-SUB, ground stacked L/R subwoofers............89
Figure 69: Flown L/R dV-SUB options for larger system configurations ..............................................................90
Figure 70: L/R Ground stacked subwoofer arraying techniques ..........................................................................92
Figure 71: Flown L/R subwoofers integrated with dV-DOSC offstage fill arrays.................................................92
Figure 72: Centre subwoofer line array (a) without and (b) with electronic delay processing............................93
Figure 73: Electronic delay processing examples using a 4- or 6-channel DSP....................................................94
Figure 74: LCR Subwoofer arraying techniques...................................................................................................95
Figure 75: Stacking dV-DOSC using dV-BUMP plus the V-DOSC bumper.........................................................99
Figure 76: Stacking dV-DOSC on top of V-DOSC for upfill/longthrow.............................................................102
Figure 77: Stacking dV-DOSC on top of SB218 subwoofers .............................................................................106
Figure 78: Stacking dV-SUB subwoofers............................................................................................................108
Figure 79: dV-ANGLESD, dV-ANGLESDP angle bars .......................................................................................109
Figure 80: Stacking dV-DOSC on top of dV-SUB subwoofers (without dV-BUMP or dV-BUMP2) .................111
Figure 81: Stacking dV-DOSC on top of dV-SUB subwoofers with dV-BUMP (or dV-BUMP2).......................113
Figure 82: Rigging dV-DOSC standalone with dV-BUMP (or dV-BUMP2)........................................................119
Figure 83: Flown dV-DOSC array trim and site angle adjustment.....................................................................120
Figure 84: Rigging dV-DOSC below V-DOSC for downfill ................................................................................124
Figure 85: Rigging dV-SUB Standalone ...............................................................................................................126
Figure 86: Rigging dV-DOSC under dV-SUB (small configuration) ....................................................................129
Figure 87: Rigging dV-DOSC under dV-SUB (larger configuration – procedure 1) ...........................................133
Figure 88: Rigging dV-DOSC under dV-SUB (larger configuration – procedure 2) ...........................................135
Figure 89: Recommended Installation Tools ......................................................................................................138
Figure 90: dV-DOSC Enclosure – Line Drawing................................................................................................140
Figure 91: dV-BUMP – Line Drawing.................................................................................................................141
Figure 92: dV-SUB Line Drawing .......................................................................................................................143
Figure 93: Front view of dV-DOSC array and vertically stacked DOSC waveguides ........................................144
Figure 94: DOSC Waveguide – Internal Section ................................................................................................145