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TABLE OF CONTENTS
0.1 WAVEFRONT SCULPTURE TECHNOLOGY FUNDAMENTALS ...............................................................................9
a) The Sound Reinforcement Problem ............................................................................................................9
b) Wavefront Sculpture Principles .................................................................................................................10
c) V-DOSC - The Solution .............................................................................................................................11
0.2 V-DOSC TRAINING AND QUALIFICATIONS....................................................................................................15
THE QUALIFIED V-DOSC TECHNICIAN (QVT) .......................................................................................15
THE CERTIFIED V-DOSC ENGINEER (CVE)..............................................................................................15
1. V-DOSC: THE UNIVERSAL STANDARD....................................................................................................16
1.1 IDENTIFICATION OF THE COMPONENTS OF THE SYSTEM .........................................................................16
a) Universal V-DOSC Standard......................................................................................................................16
b) General V-DOSC System Block-Diagram.................................................................................................17
c) V-DOSC System Components ..................................................................................................................19
1.2 V-DOSC ELEMENT SPECIFICATIONS..............................................................................................................24
1.3 V-DOSC FLYING SYSTEM...............................................................................................................................25
1.4 SB218 SUBWOOFER SPECIFICATIONS ..........................................................................................................27
1.5 SB218 FLYING BAR........................................................................................................................................28
1.6 V-DOSC AMPLIFIER RACK...............................................................................................................................29
1.7 V-DOSC AMP PANELS.....................................................................................................................................30
1.8 POWERING V-DOSC......................................................................................................................................33
1.9 V-DOSC CONTROL.........................................................................................................................................34
a) XTA DP224, DP226 Digital Signal Processors ..........................................................................................34
b) BSS FDS 355, FDS 366 Omnidrive Compact Digital Signal Processors ....................................................34
c) General Guidelines Regarding System Protection .....................................................................................35
1.10 V-DOSC PRESET SELECTION........................................................................................................................36
a) V-DOSC Preset Policy ...............................................................................................................................36
b) General Description of V-DOSC Presets..................................................................................................36
b) BSS FDS 355 VERSION 6 0801 PRESETS FOR V-DOSC ..........................................................................38
c) BSS FDS 366 VERSION 6 0801 PRESETS FOR V-DOSC ..........................................................................39
d) XTA DP224 VERSION 6 0801 PRESETS FOR V-DOSC ...........................................................................40
e) XTA DP226 VERSION 6 0801 PRESETS FOR V-DOSC ...........................................................................41
1.11 CO24 CONTROL OUTPUT PANEL.................................................................................................................42
1.12 MD24 MULTI DISTRO PANEL.......................................................................................................................44
2.1 ISOCONTOUR IN THE HORIZONTAL PLANE.................................................................................................45
a) Horizontal Coverage Angle of a V-DOSC Array.......................................................................................45
b) Effective Coverage in the Horizontal Plane...............................................................................................45
2.2 WAVEFRONT SCULPTURE IN THE VERTICAL PLANE......................................................................................47
a) Flat V-DOSC Array ....................................................................................................................................47
b) Curved V-DOSC Array..............................................................................................................................47
c) Constant Curvature V-DOSC Array .........................................................................................................48
d) Variable Curvature V-DOSC Array...........................................................................................................49
2.3 COVERAGE PREDICTIONS USING ARRAY 2000 ..............................................................................................49
CUTVIEW Sheets (ARRAY1, ARRAY2, dV-ARRAY1, dV-ARRAY2) .............................................................................50
a) Input Data...................................................................................................................................................50
b) Optimization Procedure ............................................................................................................................51
c) Output Data ...............................................................................................................................................52
L-ACOUSTICS V-DOSC Manual Version 3.2
10/01
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