Nexo GEO T Series T4805 User Manual

INTRODUCTION Page 3/63
TABLE OF CONTENTS
1 Introduction.......................................................................................................................4
2 GEO T General Set-up Instructions..................................................................................6
2.1 Speaker Wiring..........................................................................................................6
2.2 Amplifier Selection.....................................................................................................8
2.3 Current rating ............................................................................................................9
2.4 Amplifier settings.......................................................................................................9
2.5 Example ..................................................................................................................10
3 GEO T rigging procedure................................................................................................12
3.1 SAFETY FIRST .......................................................................................................12
3.2 General Description.................................................................................................14
3.3 “Tension Mode” Setup.............................................................................................15
3.4 “Compression Mode Full Kelping Beam” Setup.......................................................22
3.5 “Compression Mode – Half Kelping Beam” Setup...................................................29
3.6 Testing and Maintenance of the system..................................................................36
4 NEXO NX242 Digital Controller for GEO T.....................................................................37
4.1 NX242 Proprietary Functions ..................................................................................37
4.2 Cardioid LF and VLF ...............................................................................................38
4.3 GEO T NX242 Setups description...........................................................................39
4.4 Trouble shooting......................................................................................................40
4.5 Delays & System alignment.....................................................................................41
4.6 Driving the CD18s from the AUX send ....................................................................42
5 GEO T Tangent Array System Check List......................................................................44
5.1 Are the NX242 Digital TDcontrollers properly configured? ......................................44
5.2 Are the amplifiers properly configured?...................................................................44
5.3 Are the amps and the NX properly connected?.......................................................44
5.4 Are the speakers properly connected and angled ? ................................................45
5.5 Final Pre-Sound Check Check ................................................................................45
6 Technical Specifications .................................................................................................46
6.1 GEO T4805 Vertical Tangent Array Module............................................................46
6.2 GEO T2815 Vertical Tangent Array Module............................................................48
6.3 CD18 Directional Sub-Bass.....................................................................................50
6.4 GEO T Rigging system............................................................................................52
6.5 NX242 TDcontroller.................................................................................................54
7 Connection diagrams......................................................................................................56
7.1 GEO T4805 / T2815 to amplifiers and NX242.........................................................56
7.2 CD18 to amplifiers and NX242................................................................................57
8 GEO T Series Parts & Accessories List..........................................................................58
8.1 Array Modules & Control Electronics List ................................................................58
8.2 Accessories List ......................................................................................................58
9 Recommended installation tools and equipment ............................................................60
10 USER NOTES.............................................................................................................61

Nexo GEO T Series T4805 Specifications

General

Brand	Nexo
Model	GEO T Series T4805
Category	Speaker System
Language	English