Page 2 - GEO Technology is radically new thinking; angles
Page 2/62 PLEASE READ CAREFULLY BEFORE PROCEEDING GEO Technology is radically new thinking The GEO R&D Project has, to date, resulted in the following patent applications: The GEO Hyperboloid Reflective Waves ource™ differs radically from the megaphone-variant type horns you know and love (or ha...
Page 3 - PLEASE; BASIC PRECAUTIONS; Do not open; SYSTEM DEPLOYMENT SAFETY RULES; Read User Manual before deployment; . Before use of enclosed speaker system,; Mounting precautions; do not use speaker system handles for suspended installation; Connection and powering precautions; remove all connected cables before moving the speaker system; Inspect the speaker system periodically.
PLEASE READ CAREFULLY BEFORE PROCEEDING Page 3/62 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 malfunct...
Page 4 - SAFETY INSTRUCTIONS FOR NEXO TD CONTROLLERS
Page 4/62 PLEASE READ CAREFULLY BEFORE PROCEEDING SAFETY INSTRUCTIONS FOR NEXO TD CONTROLLERS NEXO ANALOGUE PSTDCONTROLLERS, NX242 DIGITAL CONTROLLER, NXAMP4x1 AND NXAMP4x4 POWERED CONTROLLERS ARE CLASS 1 APPARATUS AND MUST BE EARTHED. THE GREEN AND YELLOW WIRE OF THE MAINS CORD MUST ALWAYS BE CONNE...
Page 5 - HIGH SOUND PRESSURE LEVELS; Day In Hours; DISPOSAL OF OLD ELECTRICAL & ELECTRONIC EQUIPMENT
PLEASE READ CAREFULLY BEFORE PROCEEDING Page 5/62 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 ...
Page 6 - CONTENTS
Page 6/62 CONTENTS CONTENTS PLEASE READ CAREFULLY BEFORE PROCEEDING .................................................................... 3 CONTENTS......................................................................................................................................... 6 1 INTRODUCTIO...
Page 7 - GEO M6
CONTENTS Page 7/62 9 SYSTEM ALIGNMENT GUIDELINES ........................................................................................ 38 9.1 GEO M6 V ERTICAL C LUSTER DESIGN ................................................................................... 38 9.2 S TACKED LS18 S AND F LOWN GEO ...
Page 8 - NTRODUCTION
Page 8/62 I NTRODUCTION 1 I NTRODUCTION Thank you for selecting a NEXO GEO M6 Series Tangent Array System. This manual is intended to provide you with necessary and useful information about your GEO M6 System, which includes the following products: GEO M620 is a 20° Tangent Array Module. It compri...
Page 9 - ENERAL; Speaker connection; GEO M620 connectors; IMPORTANT; Speakon Connector
GEO M6 G ENERAL S ET - UP I NSTRUCTIONS Page 9/62 2 GEO M6 G ENERAL S ET - UP I NSTRUCTIONS 2.1 Speaker connection GEO M620 and M6B are connected with Speakon NL4FC plugs (not supplied). The 4 pins of the 2 Speakon sockets identified in / out are connected in parallel within the enclosure. Either co...
Page 10 - MPLIFIER; NXAMP4x1 power capability is listed in the table below:; NXAMP connectors; NXAMP4x1 rear panels features:; GEO M6 and NXAMP4x1 recommended loading
Page 10/62 A MPLIFIER S ELECTION FOR USE WITH GEO M6 & LS18 3 A MPLIFIER S ELECTION FOR USE WITH GEO M6 & LS18 3.1 GEO M6 and NXAMP TDControllers NEXO Powered TDControllers NXAMP 4X1 is an integrated solution for Control and amplification for all NEXO speaker ranges. NXAMP4x1 power capabilit...
Page 11 - ETUPS ON; ONTROLLERS; NXAMP TDControllers; “NEXO; Setups “4-12 Boxes” are to be used in larger arrays – typically flown
GEO M6 S ETUPS ON NEXO TD C ONTROLLERS Page 11/62 4 GEO M6 S ETUPS ON NEXO TD C ONTROLLERS 4.1 NXAMP TDControllers As of this manual printing date, load 3.22 features the setups listed in below table in the “NEXO configurations” menu. NEXO recommended setups CH1 CH2 CH3 CH4 'M620-LS18 120Hz' '1-3 Bo...
Page 12 - ONNECTION DIAGRAMS
Page 12/62 C ONNECTION DIAGRAMS 5 C ONNECTION DIAGRAMS 5.1 6 x GEO M620 stereo – 2 x LS18 mono on NXAMP4x1 Channels 1 & 2 are bridge mono for 2xLS18, channel 3 & 4 drive 3 GEO M620 each
Page 14 - – 3 x GEO M6B stereo - 2 x LS18 mono on NXAMP4x1
Page 14/62 C ONNECTION DIAGRAMS 5.3 3 x GEO M620 stereo – 3 x GEO M6B stereo - 2 x LS18 mono on NXAMP4x1 Channels 1 & 2 are bridge mono for 2xLS18, channel 3 drives 3xGEO M6Bass, channel 4 drives 3x GEO M620.
Page 15 - – 6x GEO M6B stereo on NXAMP4x1
C ONNECTION DIAGRAMS Page 15/62 5.4 6 x GEO M620 stereo – 6x GEO M6B stereo on NXAMP4x1 Channels 1 & 3 drive 3xGEO M6Bass each, channels 2&4 drive 3xGEO M620 each.
Page 16 - IMULATION SOFTWARE; Any question or bug report please contact [email protected]
Page 16/62 NS-1 S IMULATION SOFTWARE 6 NS-1 S IMULATION SOFTWARE NS-1 software is a R&D simulation tool derived application. It processes measured speaker data with complex mathematical algorithms to assist the user in optimizing system design. Due to the complexity of the interaction of multipl...
Page 17 - ONFIGURABLE; Installing & removing GEO’s Configurable Directivity flanges; GEO M620 are shipped in the 80° dispersion configuration
C ONFIGURABLE D IRECTIVITY D EVICE Page 17/62 7 C ONFIGURABLE D IRECTIVITY D EVICE The GEO Wavesource controls dispersion of acoustic energy using an hyperboloid acoustical reflector in the vertical plane and a diffraction slot in the horizontal plane. The patented Configurable Directivity Device co...
Page 18 - When & where to use Configurable Directivity flanges
Page 18/62 C ONFIGURABLE D IRECTIVITY D EVICE 7.2 When & where to use Configurable Directivity flanges The diagrams show audience area coverage for a stereo system. While a GEO cluster will deliver even SPL from the front to the rear of this audience area, there are “holes” near the front in the...
Page 19 - HARDWARE SETUP PROCEDURE; Flown Systems Safety
GEO M6 HARDW ARE SETUP PROCEDURE Page 19/62 8 GEO M6 HARDWARE SETUP PROCEDURE Before proceeding with assembly of GEO M6 arrays, please ensure that the components are present and undamaged. A component list is appended to this manual. In the event of any shortage, please contact your supplier. For ma...
Page 20 - If wind velocity reaches or exceeds Beaufort 7 (60 km/h; Ground Stacking Safety
Page 20/62 GEO M6 HARDW ARE SETUP PROCEDURE Ensure that motor hoists, hoist control systems and ancillary rigging components are currently certified as safe and that they pass a visual inspection prior to use. Ensure that public and personnel are not allowed to pass beneath the system during the ins...
Page 21 - Contacts; The Production Services Association
GEO M6 HARDW ARE SETUP PROCEDURE Page 21/62 Contacts 8.1.3 Correct training is fundamental to safe practise when working with loudspeakers flying systems. NEXO recommend that users contact local industry associations for information on specialist course. Information for International training agenci...
Page 22 - General Description; GEO M6 modules rigging system; Below drawings show rear connecting bar; GEO M6 “Left” and “Right” configuration; GEO M6 can be installed
Page 22/62 GEO M6 HARDW ARE SETUP PROCEDURE 8.2 General Description GEO M6 modules rigging system 8.2.1 GEO M620 GEO M620Bass GEO M6BASS and GEO M620 feature a 3 point rigging system, 2 for front connection, and 1 for rear connection and angle splay settings. Angle splay setting sequence is: 0.5° - ...
Page 23 - GEO M6 Angle Setting Bar configuration
GEO M6 HARDW ARE SETUP PROCEDURE Page 23/62 GEO M6 Angle Setting Bar configuration 8.2.3 GEO M6 angle setting bar connects 2 x GEO M6 with 2 x VXT-BL515. It can be set upwards or downwards or removed on user’s choice (independently from “Left” and “Right” configuration): - If the angle settings bars...
Page 24 - Accessories and kits; Geo M6 accessories are:; up to 3xGeo M6 max
Page 24/62 GEO M6 HARDW ARE SETUP PROCEDURE Accessories and kits 8.2.4 Geo M6 accessories are: GMT-BUMPER GMT-EXBAR GMT-LBUMP ( up to 12xGeo M6 max ) ( up to 3xGeo M6 max ) GMT-LBPADPT GMT-BPADPT VNT-POLE GMI-BNFIX GMI-IPCOV GMT-6CASE VNI-WS15 VNT-TCBRK VNT-XHBRK Please refer to sections 11 and 12 o...
Page 25 - Described configurations
GEO M6 HARDW ARE SETUP PROCEDURE Page 25/62 Described configurations 8.2.5 FIX INSTALLATION APPLICATIONS TOURING APPLICATIONS SECTION 8.3.1 1 to 3 GEO M6 WALL MOUNTED SECTION 8.3.2 1 to 3 GEO M6 CEILING MOUNTED SECTION 8.3.3 4 to 12 GEO M6 CEILING MOUNTED SECTION 8.3.4 1 to 3 GEO M6 POLE MOUNTED SEC...
Page 26 - WARNINGS ON GEO M6 ACCESSORIES; NO; Installing GEO M6
Page 26/62 GEO M6 HARDW ARE SETUP PROCEDURE WARNINGS ON GEO M6 ACCESSORIES 8.2.6 WARNING 1 All GEO M6 Accessories are specifically rated in agreement with structural computations. Never use other accessories – including push-pins - when assembling GEO M6 cabinets than the ones provided by NEXO: NEXO...
Page 27 - Required items; Secure the screws with Loctite 243 or equivalent
GEO M6 HARDW ARE SETUP PROCEDURE Page 27/62 1 to 3 (maximum) GEO M6 wall mounted 8.3.1 Required items - 1 x VNI-WS15 - 1 x GMT-LBUMP - 1 to 3 GMT-BNFIX - 3 x 12mm diameter screws (not provided) IMPORTANT Ensure that the wall is strong enough to hold GEO M6 cluster weight and that the 12 mm diameter ...
Page 28 - to 3 (maximum) Geo M6 ceiling mounted
Page 28/62 GEO M6 HARDW ARE SETUP PROCEDURE 1 to 3 (maximum) Geo M6 ceiling mounted 8.3.2 Required items - 1 x GMT-LBUMP - 1 to 3 x GMT-BNFIX - 4 x 8mm diameter screws (not provided) IMPORTANT Ensure that the ceiling is strong enough to hold GEO M6 cluster weight and that the four screws 8 mm diamet...
Page 29 - to 12 (maximum) GEO M6 ceiling mounted
GEO M6 HARDW ARE SETUP PROCEDURE Page 29/62 4 to 12 (maximum) GEO M6 ceiling mounted 8.3.3 Required items - 1 x GMT-BUMPER - 4 to 12 x GMT-BNFIX - 4 x 8mm diameter screws (not provided) IMPORTANT Ensure that the ceiling is strong enough to hold GEO M6 cluster weight and that the four screws 8 mm dia...
Page 30 - VXT-PLSTD or 1 Speaker Stand 35mm diameter; - Speaker stand must always be installed on a horizontal surface
Page 30/62 GEO M6 HARDW ARE SETUP PROCEDURE 1 to 3 (maximum) GEO M6 pole mounted 8.3.4 Required items - 1 VXT-PLSTD or 1 Speaker Stand 35mm diameter - 1 x GMT-LBUMP - 1 x GMT-LBADPT - 1 x VNT-POLE - 3 x VXT-BL515 for first GEO M6 - 4 x VXT-BL515 for second and third GEO M6 IMPORTANT (SPEAKER STAND) ...
Page 31 - Procedure; Lift assembly on speaker stand or on LS18 with VXT-PLSTD pole stand.
GEO M6 HARDW ARE SETUP PROCEDURE Page 31/62 Procedure - Attach the GMT-LBADPT to the GMT-LBUMPER by using the screws, washers and bolts provided with GMT-LBDAPT; - Use the 2 pins provided with VNT-POLE to attach L-BUMP at required vertical angle, according to below drawings; Bottom Geo M6 at 0° Bott...
Page 32 - to 3 GEO (maximum) M6 truss or cable mounted; x VXT-BL515 for second and third GEO M6; Lift and position assembly, lock and secure clamp on rigging point.
Page 32/62 GEO M6 HARDW ARE SETUP PROCEDURE 1 to 3 GEO (maximum) M6 truss or cable mounted 8.3.5 Required items - 1 x GMT-LBUMP - 1 x GMT-LBADPT - 1 x VNT-TCBRK (truss mounting) or 1 x VNT-XHBRK (cable mounting) - 3 x VXT-BL515 for first GEO M6 - 4 x VXT-BL515 for second and third GEO M6 IMPORTANT E...
Page 33 - to 6 (maximum) GEO M6 stacked on Sub
GEO M6 HARDW ARE SETUP PROCEDURE Page 33/62 1 to 6 (maximum) GEO M6 stacked on Sub 8.3.6 Required items - 1 x GMT-BUMPER - 1 x GMT-BPADPT - 4 VXT-BL515 per GEO M6 IMPORTANT GMT-BPADPT is rated for a maximum of: 6xGEO M6s on a single LS18 in any inter cabinet angle configuration, provided the stack i...
Page 35 - Secure bumper with secondary safety steel.
GEO M6 HARDW ARE SETUP PROCEDURE Page 35/62 - lift assembly to sufficient height in order to connect additional set GEO M6 if required - set inter-angle values as described in section 8.2.3 IMPORTANT Ensure all pins are properly locked into Geo M6 - lift cluster to NS-1 defined rigging height, secur...
Page 36 - Procedure with flight case set horizontally
Page 36/62 GEO M6 HARDW ARE SETUP PROCEDURE Procedure with flight case set horizontally - Open upper cover while the flight case is on its wheels - Connect GMT-BUMPER to top cabinet 4 x VXT-BL515 quick release pins - If required, connect GMT-EXBAR to GMT-BUMPER by inserting EXBAR clevis pins into GM...
Page 37 - Testing and Maintenance of the system; Rigging
GEO M6 HARDW ARE SETUP PROCEDURE Page 37/62 8.4 Testing and Maintenance of the system General: Geo is a precision piece of equipment and requires regular attention to maintenance in order to give long and reliable service. Rigging NEXO recommends regular testing of loudspeaker rigging components, pr...
Page 38 - YSTEM ALIGNMENT GUIDELINES; GEO M6 Vertical Cluster design; Stacked LS18s and Flown GEO M6
Page 38/62 S YSTEM ALIGNMENT GUIDELINES 9 S YSTEM ALIGNMENT GUIDELINES The NXAMP ’s factory delay presets are optimised to provide the best possible crossover between the GEO M6 and LS or RS Subwoofers systems. The reference point for this adjustment is the front of each cabinet . (This means that t...
Page 39 - Driving the LS18s from the AUX send; Why is it unlikely that AUX and MAIN outputs have the same phase?; Recommended installation tools and equipment; Tape measure
S YSTEM ALIGNMENT GUIDELINES Page 39/62 9.3 Driving the LS18s from the AUX send It is quite common to use the AUX send of a mixing desk to drive the Sub section of a PA system. This gives the mixing engineer more flexibility to set the level of the sub bass relative to the main PA, apply special eff...
Page 41 - YSTEM; Are the speakers properly connected and angled ?; Attach the first series of modules to the bumper.
GEO M6 – LS18 S S YSTEM C HECK L IST Page 41/62 10 GEO M6 – LS18 S S YSTEM C HECK L IST It is essential to execute all these check steps prior to perform a sound check on the “front end” to the system. Following this checklist step by step will prevent many troubles and will save time in the end. 10...
Page 42 - ECHNICAL; System specifications
Page 42/62 T ECHNICAL S PECIFICATIONS 11 T ECHNICAL S PECIFICATIONS 11.1 LS18 Subwoofer System specifications 11.1.1 SYSTEM SPECIFICATIONS LS18 with NXAMP TD Controller Frequency Response [a] 35 Hz - 120 Hz ±3dB Usable Range @-6dB [a] 32Hz - 130 Hz Sensitivity 1W @ 1m [b] 107 dB SPL Nominal Nominal ...
Page 43 - Dimensions
T ECHNICAL S PECIFICATIONS Page 43/62 Dimensions 11.1.2
Page 48 - GEO M6 Accessories; Parts
Page 48/62 T ECHNICAL S PECIFICATIONS 11.4 GEO M6 Accessories GMT-BUMPER 11.4.1 Parts Dimensions Weight : 2,25 kg / 4.96 lb
Page 57 - VXT-BL515 PUSH PINS
T ECHNICAL S PECIFICATIONS Page 57/62 VXT-BL515 PUSH PINS 11.4.2 Weight : 0,012 kg / 0.0004 lb GMT-BNFIX 11.4.3 Parts Weight (kit) : 0,2 kg / 0.008 lb
Page 60 - ERIES; Modules & Control Electronics List
Page 60/62 GEO M6 S ERIES P ARTS & A CCESSORIES L IST 12 GEO M6 S ERIES P ARTS & A CCESSORIES L IST 12.1 Modules & Control Electronics List MODEL DRAWING DESCRIPTION LS18 Subwoofer Module GEO M620 GEO M620 Module GEO M6B GEO M6B Module NXAMP4x1 Digital Powered Controller 4x1300W 12.2 Acc...
Page 61 - MODEL
GEO M6 S ERIES P ARTS & A CCESSORIES L IST Page 61/62 MODEL DRAWING DESCRIPTION VNT-XHBRK Cable clamp for GMT-LBADPT (includes 8x45 Quick Release Pin). VNT-TCBRK Truss clamp for GMT-LBADPT (includes 8x45 Quick Release Pin) GMT-BPADPT Pole Mount for GMT-BUMPER GMI-BNFIX GEO M6 Connection kit for ...
Page 62 - USER; Parc d’activité de la Dame Jeanne
Page 62/62 USER NOTES 13 USER NOTES France Nexo S.A. Parc d’activité de la Dame Jeanne F-60128 PLAILLY Tel: +33 3 44 99 00 70 Fax: +33 3 44 99 00 30 E-mail: [email protected] www.nexo-sa.com
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