Nexo GEO S Series Guide de l'utilisateur

System Manual GEOS12 LS18

DP2502-07-CM

GEO S12 –LS18

GEO S1210 & GEO S1230

Tangent Array Modules

LS18 Subwoofer

System manual

CONTENTS

Page 2/ 95 System Manual GEOS12 LS18

CONTENTS

PLEASE READ CAREFULLY BEFORE PROCEEDING..................................................................................5

1INTRODUCTION .........................................................................................................................................7

2GEO S12 GENERAL SET-UP INSTRUCTIONS......................................................................................8

2.1 GEO S12 AND LS18 CONNECTIONS.......................................................................................................................8

2.1.1GEO S12 connectors ........................................................................................................................................................... 8

2.1.2LS18 connectors................................................................................................................................................................... 8

2.1.3Configuring GEO S12 for passive or active mode ................................................................................................. 9

2.2 CABLING ...................................................................................................................................................................10

2.3 GEO S12 &LS18 RECOMMENDED AMPLIFICATION ........................................................................................10

2.4 GEO S12 &LS18 SETUPS ON NEXO TD CONTROLLERS ...............................................................................10

3CONNECTION DIAGRAMS..................................................................................................................... 11

3.1 GEO S12 (PASSIVE MODE)/NXAMP4X1MK2(BRIDGE STEREO)..............................................................11

3.2 LS18 /NXAMP4X1MK2(BRIDGE STEREO)....................................................................................................11

3.3 GEO S12 (PASSIVE MODE)AND LS18 /NXAMP4X1MK2(BRIDGE STEREO)..........................................12

3.4 GEO S12 (PASSIVE MODE)/NXAMP4X2MK2(4 CHANNELS MODE).........................................................12

3.5 LS18 /NXAMP4X2MK2(4 CHANNELS MODE)...............................................................................................13

3.6 GEO S12 (PASSIVE MODE)AND LS18 /NXAMP4X2MK2(4 CHANNELS MODE).....................................13

3.7 GEO S12 (PASSIVE MODE)/NXAMP4X4MK2(4 CHANNELS MODE).........................................................14

3.8 GEO S12 (ACTIVE MODE)/NXAMP4X4MK2(4 CHANNELS MODE) ..........................................................15

3.9 LS18 OMNI MODE /NXAMP4X4MK2(4 CHANNELS MODE).......................................................................16

3.10 LS18 CARDIO MODE /NXAMP4X4MK2(4 CHANNELS MODE) ...................................................................17

3.11 GEO S12 (PASSIVE MODE)AND LS18 /NXAMP4X4MK2(4 CHANNELS MODE).....................................18

4NS-1 SIMULATION SOFTWARE .......................................................................................................... 19

5CONFIGURABLE DIRECTIVITY DEVICE ........................................................................................... 20

5.1 INSTALLING &REMOVING GEO’S CONFIGURABLE DIRECTIVITY DEVICES ...................................................20

5.2 WHEN &WHERE TO USE CONFIGURABLE DIRECTIVITY FLANGES..................................................................21

6GEO S12 HARDWARE SETUP PROCEDURE .................................................................................... 22

6.1 SAFETY FIRST...........................................................................................................................................................22

6.1.1Flown systems safety .......................................................................................................................................................22

6.1.2Ground stacking safety...................................................................................................................................................23

6.1.3Contacts .................................................................................................................................................................................23

6.2 GENERAL DESCRIPTION.........................................................................................................................................24

6.2.1GEO S1210 and GEO S1230...........................................................................................................................................24

6.2.2GEO S12 “Left” and “Right” configuration.............................................................................................................24

6.2.3LS18.........................................................................................................................................................................................25

6.2.4Accessories............................................................................................................................................................................26

6.2.5Warnings on GEO S12 & LS18 accessories.............................................................................................................27

6.3 INSTALLATION APPLICATIONS ..............................................................................................................................28

6.3.1Described configurations...............................................................................................................................................28

6.3.2Single GEO S12 rigidly mounted on a wall or a ceiling (vertical or horizontal) .................................29

6.3.3Single GEO S12 cable mounted on a ceiling (vertical or horizontal)........................................................30

6.3.4GEO S12 vertical array rigidly mounted on a ceiling.......................................................................................31

6.3.5LS18 and GEO S12 vertical array rigidly mounted on a ceiling..................................................................33

6.3.6LS18 and GEO S12 vertical array cable mounted on a ceiling.....................................................................35

6.3.7GEO S12 horizontal array rigidly mounted on a ceiling.................................................................................36

6.3.8GEO S12 horizontal array cable mounted on a ceiling....................................................................................38

6.4 TOURING APPLICATIONS........................................................................................................................................39

6.4.1Described configurations...............................................................................................................................................39

6.4.2Single GEO S12 on speaker stand or on LS18 horizontally............................................................................40

6.4.3Single GEO S12 flown vertically..................................................................................................................................42

6.4.4Single GEO S12 flown horizontally............................................................................................................................43

6.4.5Two GEO S12 on wind-up stand .................................................................................................................................44

CONTENTS

System Manual GEOS12 LS18 Page 3/ 95

6.4.6Two GEO S12 vertically ..................................................................................................................................................47

6.4.7Two or more GEO S12 flown horizontally .............................................................................................................48

6.4.8LS18 and three or more GEO S12 flown vertically.............................................................................................51

6.4.9Ground stacked LS18 and GEO S12...........................................................................................................................55

6.5 TESTING AND MAINTENANCE OF THE SYSTEM ..................................................................................................60

7SYSTEM CHECK ALIGNMENT GUIDELINES..................................................................................... 61

7.1 GEO S12 VERTICAL CLUSTER DESIGN................................................................................................................61

7.2 STACKED LS18 AND FLOWN GEO S12..............................................................................................................61

7.3 DRIVING THE LS18S FROM THE AUX SEND.......................................................................................................62

7.4 RECOMMENDED INSTALLATION TOOLS AND EQUIPMENT................................................................................62

7.5 GEO S12 –LS18 SYSTEM CHECK LIST..............................................................................................................63

8TECHNICAL SPECIFICATIONS............................................................................................................. 64

8.1 LS18 AND LS18-E SUBWOOFERS .......................................................................................................................64

8.1.1System specifications.......................................................................................................................................................64

8.1.2Dimensions (mm/inches)...............................................................................................................................................65

8.2 GEO S1210.............................................................................................................................................................66

8.2.1System specifications.......................................................................................................................................................66

8.2.2Dimensions (mm/inches)...............................................................................................................................................67

8.3 GEO S1230.............................................................................................................................................................68

8.3.1System specifications.......................................................................................................................................................68

8.3.2Dimensions (mm/inches)...............................................................................................................................................69

8.4 GEO S12 AND LS18 ACCESSORIES......................................................................................................................70

8.4.1GPI-BUMPER........................................................................................................................................................................70

8.4.2VNI-UBRK12 ........................................................................................................................................................................71

8.4.3VNI-LBRK ..............................................................................................................................................................................72

8.4.4VNI-ABRK..............................................................................................................................................................................73

8.4.5GPI-ANPL1............................................................................................................................................................................74

8.4.6GPI-ANPL2............................................................................................................................................................................75

8.4.7GPI-ANL3...............................................................................................................................................................................76

8.4.8LSI-CPLA................................................................................................................................................................................77

8.4.9VNI-IPCOV15 .......................................................................................................................................................................78

8.4.10 GPT-BUMPER...........................................................................................................................................................79

8.4.11 GPT-XBOW.................................................................................................................................................................80

8.4.12 LST-XBOW18............................................................................................................................................................81

8.4.13 GPT-TLB......................................................................................................................................................................82

8.4.14 VNT-XHBRK ..............................................................................................................................................................83

8.4.15 VNT-TTC.....................................................................................................................................................................84

8.4.16 GPT-SSBRK................................................................................................................................................................85

8.4.17 GPT-PSBRK................................................................................................................................................................86

8.4.18 VNT-TCBRK...............................................................................................................................................................87

8.4.19 GPT-GSTK...................................................................................................................................................................88

8.4.20 GPT-FLG......................................................................................................................................................................89

8.4.21 VXT-BL820.................................................................................................................................................................90

9GEO S12 & LS18 MODULES & ACCESSORIES LIST........................................................................ 91

10 USER NOTES ............................................................................................................................................. 94

PLEASE READ CAREFULLY BEFORE PROCEEDING

Page 4/ 95 System Manual GEOS12 LS18

GEOTechnologyisradicallynewthinking

The GEO R&D Project has, to date, resulted in the following patent applications:

The GEO Hyperboloid Reflective Wavesource™ differs radically from the megaphone-variant type horns you know and love (or

hate). “Tried and true” methods will produce entirely unexpected results. HRW technology produces precise and predictable

results.

The Configurable Directivity Flange. A waveguide that allows the operator to alter its behaviour. An unprecedented NEXO

development that is easy to use –once you know how and when.

The Phase Directivity Device needs no operator input to function, but it is reassuring to know that the coupling of the midrange

of the system is considered as important as the high frequencies…

DSP-driven Directional Sub-bass devices are a new approach to controlling LF/VLF acoustic energy.

GEOisnothard to use when you understand how…

The technology behind GEO is revolutionary, but it is grounded in years of practical experience with the problems of delivering

high quality professional sound to large audiences at high SPL levels. The GEO toolbox includes NS-1 - a simple yet powerful

and highly predictive design tool. The array assembly system is keyed to the design software and will easily enable you to

deploy your design with great precision. NEXO Digital TDcontroller technology provide driver protection and system optimization

for the GEO S and LS series.

GEOisahighprecisionsystem

The GEO HRW™ controls acoustic energy more precisely than other multiple element waveguides. It also makes GEO less

forgiving of mistakes. Whilst conventional horns never combine into a coherent array, they may deliver acceptable results even

if the design and deployment of the system is less than optimal. This is not the case with GEO where careless installation

produces catastrophic results.

AGEOTangent Array is not a “line array”

GEO Technology is equally effective in designing and deploying tangent curved vertical or horizontal arrays. For best results in

a specific application the user needs to know how multi-speaker arrays interact with audience geometry, along with the benefits

and drawbacks of curved vertical arrays and horizontal arrays.

Curvedtangentarraysrequiredifferentdesigntechniques

In the past, sound reinforcement professionals have worked with horizontal arrays that use conventional horns to deliver [more

or less] ‘equal power to equal angles’. Curved vertical arrays are now designed to deliver [more or less] equal power to equal

areas’. When arrays use conventional horns, the lack of precision, overlap and interference masks errors in array design and

aiming. The highly precise GEO wavesource responds accurately, consistently and predictably to the design and deployment

of a curved vertical tangent array. This is why the GEO rigging system is designed to control angular splay to 0.1° precision.

GEOcurvedtangentarraysrequiredifferentoperationaltechniques

Over the years, system designers and operators have developed a number of signal processing techniques to disguise and

partly overcome the limitations of horn design. “Frequency shading,” “amplitude shading,” “High Frequency compensation”, all

of these are tools of the advanced sound system operator. NONE OF THESE TECHNIQUES ARE APPLICABLE TO GEO

TANGENT ARRAYS. Instead of enhancing the array’s performance they will severely degrade it.

Take time to learn how to get great results with GEO Technology. It is an investment that will pay off in more satisfied clients,

more efficient operating procedures and more recognition for your skill as a sound system designer and operator. A

comprehensive understanding of GEO theory, tangent arrays, and specific features of the GEO S Series will help you to operate

your system at its full potential.

PLEASE READCAREFULLY BEFORE PROCEEDING

System Manual GEOS12 LS18 Page 5/ 95

PLEASE READ CAREFULLY BEFORE PROCEEDING

BASIC PRECAUTIONS

Do not open the speaker system or attempt to disassemble the internal parts or modify them in any way. The speaker system

contains no user-serviceable parts. If it should appear to be malfunctioning or damaged, discontinue use immediately and have

it inspected by qualified NEXO service personnel.

Water exposure: Do not expose the speaker system to direct rain, do not use it near water or in wet conditions. Do not place

containers with liquid on speaker system as they might spill into openings. If any liquid such as water seeps into the speaker

system, have it inspected by qualified NEXO personnel.

Sun exposure: Do not expose the speaker system to direct sun.

Operating temperature with temperate climate: 0°C to +40°C (-20°C to +60°C for storage).

SYSTEM DEPLOYMENT SAFETY RULES

Read User Manual before deployment. Before use of enclosed speaker system, please ensure that anyone

involved in system deployment understands the rigging –stacking –pole mounting safety rules as described

in the speaker system User Manual. Failure to do this exposes people to potential injury or death.

Please check the web site nexo-sa.com for the latest update.

Always consult qualified NEXO personnel if the device installation requires construction work and make sure to observe the

following precautions:

Mounting precautions

- choose mounting hardware and an installation location that can support 4 times the weight of the speaker system;

- do not use speaker system handles for suspended installation;

- do not expose speaker system to excessive dust or vibration, or extreme cold or heat to prevent possibility of component

damage;

- do not place the speaker system in an unstable position from which it might fall accidentally;

- if speaker systems use a stand, ensure that stand specifications are adapted, and that stand height does not exceed

1.40m/55”; never move the stand while the speaker is in position.

- in case of wind greater than 8 on Beaufort scale (72km/h –45mph), a touring system has to be landed or an additional

securing has to be implemented.

- for fixed installations, wind loading has to be taken into account in accordance to the national standards.

Connection and powering precautions

- remove all connected cables before moving the speaker system;

- turn off AC power of all power amplifier units before connecting the speaker system;

- when turning on the AC power to the audio system, always turn on the power amplifier last; when turning the AC power off,

always turn off the power amplifier first;

- when used in cold conditions, a gradual power ramp up should be applied to the system on a 5 mn period to allow the

loudspeaker components to stabilize during the very first minutes of usage.

Inspect the speaker system periodically.

PLEASE READ CAREFULLY BEFORE PROCEEDING

Page 6/ 95 System Manual GEOS12 LS18

HIGH SOUND PRESSURE LEVELS

Exposure to extremely high noise levels may cause permanent hearing loss. Individuals vary considerably

in susceptibility to noise-induced hearing loss but nearly everyone will lose some hearing if exposed to

sufficiently intense noise for a sufficient period of time. The U.S. Government’s Occupational and Health

Administration (OSHA) has specified the following permissible noise level exposures: Sound Duration Per

Day In Hours

Sound Level dBA, Slow Response

100

1 ½

102

105

110

¼ or less

115

According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Ear plugs or

protectors to the ear canals or over the ears must be worn when operating this amplification system in order to prevent

permanent hearing loss, if exposure is in excess of the limits as set forth above. To ensure against potentially dangerous

exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high

sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation.

DISPOSAL OF OLD ELECTRICAL & ELECTRONIC EQUIPMENT

This symbol on the product or on its packaging indicates that it shall not be treated as household waste.

Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic

equipment. By ensuring this product is disposed of correctly, you will help prevent potential negative

consequence for the environment and human health, which could otherwise be caused by inappropriate

waste handling of this product.The recycling of materials willhelp to conserve natural resources. For more

detailed information about recycling of this product, please contact your local city office, your household

waste disposal service or the shop where you purchased the product.

INTRODUCTION

System Manual GEOS12 LS18 Page 7/ 95

1INTRODUCTION

Thank you for selecting a NEXO GEO S12 Series Tangent Array System.

This manual is intended to provide you with necessary and useful information about your GEO S12 & LS18 System, which

includes the following products:

•GEO S1210 is a 10° Tangent Array Module. It comprises 1x12” (30cm)

16 ohms Neodymium LF/MF driver loaded by a Phase Directivity Device

(PDDTM) and 1x1.4” throat 16 Ohm HF driver loaded by a 5° Hyperboloid

Reflective Wavesource (HRW™).

•GEO S1230 is a 30° Tangent Array Module. It comprises 1x12” (cm) 16

ohms Neodymium LF/MF driver loaded by a Phase Directivity Device

(PDDTM) and 1x1.4” throat 16 Ohm HF driver loaded by a 28.5°

Hyperboloid Reflective Wavesource (HRW™).

•LS18 is GEO S12 companion subwoofer. It comprises 1x18’’ (46cm) long

excursion driver and features veryhigh efficiency as well as high acoustic

output. LS18 has fittings for transporting, flying, stacking and pole

standing.

•LS18-E is identical to LS18, with the exception that it has none of the

fittings described above. It is intended to be set on the floor in fix

installations.

•A full range of accessories provides safe, flexible and simple means of

installing GEO S12 and LS18 in fixed installation as well as in touring

applications.

•GEO S12 and LS18 are controlled, powered and monitored by NEXO

TDcontrollers. For a complete description of these controllers, please

refer to User Manuals. NEXO TDcontrollers DSP algorithms and

parameters are fixed in software and updated regularly. Please consult

the NEXO web site (nexo-sa.com) for the latest software releases.

•NS-1 simulation software assists in the design and implementation of

vertical or horizontal tangent GEO arrays. Please consult the NEXO web

site (nexo-sa.com) for the latest software releases.

•Available for Mac, iPad and iPhone, NEXO NeMo provides full remote

control over a digital audio network from anywhere in the venue, thanks

to an intuitive and graphically attractive user interface. NeMo is available

on Apple App Store.

Please devote your time and attention to reading this manual. A comprehensive understanding of GEO S12 and LS18 specific

features will help you to operate your system at its full potential.

GEOS12 GENERAL SET-UP INSTRUCTIONS

Page 8/ 95 System Manual GEOS12 LS18

2GEO S12 GENERAL SET-UP INSTRUCTIONS

2.1 GEO S12 and LS18 connections

GEO S12 and LS18 are connected with Speakon NL4FC plugs (not supplied). A wiring diagram is printed on the connection

panel located on the back of each cabinet. The 4 pins of the Speakon sockets identified in / out are connected in parallel within

the enclosure.

Either connector can be used to connect amplifier or to link to an additional GEO S12 cabinet or to link to an optional LS18 (if

present). Therefore, a single 4-conductor cable can connect two amplifier channels to various GEO S12s and/or LS18

subwoofers.

2.1.1 GEO S12 connectors

2.1.2 LS18 connectors

Speakon Connector

S1210 & S1230

Passive Mode

Active Mode

1(-)

Through

GEO S12 LF (-)

1(+)

Through

GEO S12 LF (+)

2(-)

GEO S12 (-)

GEO S12 HF (-)

2(+)

GEO S12 (+)

GEO S12 HF (+)

Speakon Connector

LS18

1(-)

LS18 (-)

1(+)

LS18 (+)

2(-)

Through

2(+)



Through

GEOS12 GENERAL SET-UP INSTRUCTIONS

System Manual GEOS12 LS18 Page 9/ 95

2.1.3 Configuring GEO S12 for passive or active mode

Remove the six TORX screws that hold the connector panel.

Remove the connector panel so that filter WAGO connectors become accessible.

GEOS12 connector panel GEOS12 WAGO connectors

In Passive Mode, connector A (from filter) should be inserted in connector B (PCB “Passive In”), and connector D (“Passive

Out”) should be connected to speakers via connector C.

In Active Mode, WAGO Connector A (from filter) should be directly connected into speakers via connector C (PCB connectors

B & D are then unused).

Passive mode configuration Active mode configuration

GEOS12 GENERAL SET-UP INSTRUCTIONS

Page 10 / 95 System Manual GEOS12 LS18

2.2 Cabling

NEXO recommends the exclusive use of multi-conductor cables to connect the system: the cable kit is compatible with all the

cabinets, and there is no possible confusion between LF, MF and HF sections.

Cable choice consists mainly of selecting cables of the correct sectional dimension (size) in relation to the load resistance and

the cable length. Too small a cable section will increase both its serial resistance and its capacitance; this reduces the electrical

power delivered to the loudspeaker and can also induce response (damping factor) variations.

For a serial resistance less or equal to 4% of the load impedance (damping factor = 25), the recommended cable length is given

by:

Lmax = Z x S S in mm2, Z in Ohm, Lmax in meters

The table below indicates these values, for 3 common sizes.

Load Impedance ()

2.6

5.3

Cable section

Recommended Cable Length

1,5 mm² (AWG #15)

3m/10ft

3m/13ft

6m/20ft

8m/26ft

12m/39ft

24m/79ft

2,5 mm² (AWG #13)

5m/16ft

7m/23ft

10m/33ft

13m/44ft

20m/66ft

40m/131ft

4 mm² (AWG #11)

8m/26ft

10m/33ft

16m/52ft

21m/70ft

32m/105ft

64m/210ft

6 mm2(AWG #9)

12m/40ft

16m/52ft

24m/79ft

32m/104ft

48m/160ft

96m/315ft

Maximum allowed length is 4 times recommended length.

Example:

GEO S12 module has a 16 nominal impedance in passive mode.When connecting 4 modules in parallel, total load impedance

becomes 4.

Recommended length for 4mm2/ (AWG#11) is 16m / 52ft, maximum allowed length is 64m / 208ft.

IMPORTANT

Long speaker cables induce capacitive effects –up to hundreds of pF depending on the quality of the

cable - with a low-pass effect on high frequencies. If long speaker cables must be used, ensure that they

do not remain coiled while in use.

2.3 GEO S12 & LS18 recommended amplification

NEXO TD Controllers

Recommended amplification

NXAMP4x1mk2 Powered Controller Bridged Stereo mode (2x2.6kW/4)

3 x GEO S12 in passive mode per bridged channel

2 x LS18 per bridged channel

NXAMP4x2mk2 Powered Controller 4 channels mode (4x2.5kW/2)

1 x GEOS12 in passive mode per channel

1 x LS18 per channel

NXAMP4x4mk2 Powered Controller 4 channels mode (4x4.5kW/2)

4 x GEOS12 in passive mode per channel

4 x GEO S12 in active mode: 2 channels

3 x LS18 per channel

2.4 GEO S12 & LS18 setups on NEXO TD Controllers

Please consult nexo-sa.com for NEXO TD Controllers firmware information.

Ce manuel convient aux modèles suivants

Table des matières

Autres manuels Nexo Système de haut-parleurs

Nexo

Nexo PSR2 Series Guide de l'utilisateur

Nexo

Nexo Geo M6 Series Guide de l'utilisateur

Nexo

Nexo GEO S12 Series Manuel utilisateur

Nexo

Nexo PS8 Manuel utilisateur

Nexo

Nexo Geo M6 Series Manuel utilisateur

Nexo

Nexo VNT-MNSTKM6 Manuel utilisateur

Nexo

Nexo GEO T Series T4805 Manuel utilisateur

Nexo

Nexo PS8 Manuel utilisateur

Nexo

Nexo PNI-P12TOL15 Manuel utilisateur

Manuels Système de haut-parleurs populaires d'autres marques

JVC

JVC CA-MXK5R Manuel utilisateur

LG NB4532B Manuel utilisateur

JVC

JVC CA-FSH100 Manuel utilisateur

5Core

5Core Pro Series Manuel utilisateur

EAW

EAW MQV1394e Manuel utilisateur

Lynx

Lynx GXR-LA10A Manuel utilisateur

iLive

iLive ITB066B Manuel utilisateur

RDX

RDX QuickStation 4 Manuel utilisateur

Electro-Voice

Electro-Voice S-122 Manuel utilisateur

Sven

Sven SPS-619 GOLD Manuel utilisateur

Pioneer

Pioneer CS-7070 Manuel utilisateur

EAW

EAW UB82e Manuel utilisateur

Sondpex

Sondpex Active Speaker System and Digital Music... Manuel utilisateur

JVC

JVC NX-PN7 Manuel utilisateur

Marshall Amplification

Marshall Amplification AR-DM61-BT Manuel utilisateur

Yamaha

Yamaha NX-A01 - Speaker Sys Manuel utilisateur

SE Audiotechnik

SE Audiotechnik I-LINE Manuel utilisateur

Gemini

Gemini WRX-843 Series Manuel utilisateur