Nexo GEO S12 Series User Manual Download Page 24

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ONNECTION DIAGRAMS

5.6 GEO S12 / NXAMP4x1 (Bridge Stereo - Passive mode)

SP4

IN A

OUT

SP4

OUT

IN B

Summary of Contents for GEO S12 Series

Page 1: ...GEO S12 Series Geo S1210 Geo S1230 Tangent Array Modules Geo S12 Analog TD Controller User Manual GEO S12 Series User Manual V1 02 Date 07 03 2008 ...

Page 2: ...ss than optimal This is not the case with GEO where careless installation produces catastrophic results AGEOTangentArrayisnota linearray GEO Technology is equally effective in designing and deploying tangent horizontal arrays or curved vertical 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 a...

Page 3: ...manent 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 SYSTEM RIGGING SAFETY RULES Before use...

Page 4: ... 2 GEO S12s and NXAMP recommended configurations 17 4 GEO S12 Setups on NEXO TD Controllers 18 4 1 Digital NX242 ES4 and NXAMP TDControllers 18 4 2 Analogue GEOS12 TDController 19 5 Connection diagrams 19 5 1 GEO S12 RS15 with GEOS12 TDController Mono Omni Mode 19 5 2 GEO S12 NX242 ES4 4 channels passive mode 20 5 3 GEO S12 ALPHA S2 NX242 ES4 Stereo passive mode 21 5 4 GEO S12 CD18 NX242 ES4 Stere...

Page 5: ...3 Single GEO S12 cable mounted on a wall or a ceiling vertical or horizontal 39 8 3 4 GEO S12 vertical array rigidly mounted on a ceiling 40 8 3 5 GEO S12 vertical array cable mounted on a ceiling 42 8 3 6 GEO S12 horizontal array rigidly mounted on a ceiling 43 8 3 7 GEO S12 horizontal array cable mounted on a ceiling 45 8 4 GEO S12 in touring applications 46 8 4 1 Touring Accessories 46 8 4 2 Si...

Page 6: ...e 69 9 3 5 Recommendations for wiring the sense lines 70 9 3 6 Recommendations for wiring the audio outputs 70 9 3 7 Electromagnetic environments 70 9 3 8 Analogue signal cables 70 9 4 Analogue TDcontroller USER GUIDE 71 9 4 1 Read before use 71 9 4 2 Front Panel 72 9 4 3 Rear Panel 73 9 5 TDcontroller REFERENCE GUIDE 74 9 5 1 Linear section 74 9 5 2 Servo Control section 74 10 NEXO NX242 ES4 Digi...

Page 7: ...80 11 3 Driving the GEO SUB s from the AUX send 81 11 4 Recommended installation tools and equipment 81 12 GEO S12 RS15 CD18 S2 GEOSUB System Check List 83 12 1 Are the NX242 Digital TDcontrollers properly configured 83 12 1 1 NX242 settings 83 12 2 Are the amplifiers properly configured 83 12 3 Are the amps and the NX properly connected 83 12 4 Are the speakers properly connected and angled 84 12...

Page 8: ...tions Accessories 98 13 4 1 GEO S12 Bumper 98 13 4 2 GEO S12 Connecting Plate 1 99 13 4 3 GEO S12 Connecting Plate 2 100 13 4 4 GEO S12 Connecting Plate 3 101 13 4 5 Single GEO S12 U Bracket 102 13 4 6 L Bracket for cable suspension 103 13 4 7 U Bracket for rigid suspension 104 13 4 8 GEO S12 Push Pins BLGEOS 105 13 5 GEO S12 Analogue TDcontrollers 106 13 5 1 Specifications 106 13 5 2 Front and Re...

Page 9: ...m Neodynium 16 ohms LF MF driver and 1x3 voice coil 1 4 Throat 16 Ohm HF Driver loaded by a 28 5 Hyperboloid Reflective Wavesource GEO S1210 is a 10 Tangent Array Module It comprises 1x12 30cm Neodynium 16 ohms LF MF driver and 1x3 voice coil 1 4 Throat 16 Ohm HF Driver loaded by a 5 Hyperboloid Reflective Wavesource GEO S12 Accessory Range a full range of accessories that provides safe flexible a...

Page 10: ...ork It has 2 analogue 4 digital inputs and 4 analogue 4 digital outputs IMPORTANT NX242 must be equipped with NX Tension Card ES4 or CAI to access GEO S12 setups NXAMP4x1 and NXAMP 4x4 are Powered Digital Controllers providing full control and amplification for RS15 in multiple configurations Both devices feature 4 analogue inputs and 4 speaker outputs When equipped with optional card 4 digital in...

Page 11: ...GEO arrays Please consult the NEXO web site www NEXO fr or www NEXO sa com for the latest software releases Please devote your time and attention to reading this manual A comprehensive understanding of GEO theory tangent arrays and specific features of GEO S12 will help you to operate your system at its full potential ...

Page 12: ...ive Mode WAGO Connector A from filter should be directly connected into to speakers via connector C PCB connectors B D are then unused 2 1 3 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 th...

Page 13: ...The maximum acceptable 2x2 5 mm2 AWG 12 cable length Lmax for such a cluster is 10 meters IMPORTANT Long speaker cables induce capacitive effects up to hundreds of pF depending on the quality of the cable with a high pass effect on high frequencies If long speaker cables must be used ensure that they do not remain coiled while in use CONNECTOR PANEL PASSIVE MODE ACTIVE MODE B A D C B D A C ...

Page 14: ... 4 Ohms 875to 1550 W 4 Ohms GEO S12 Passive Mode 4 in parallel 4 Ohms load 2000 W to 3600 W 4 Ohms GEO S12 Active Mode 4 in parallel 4 Ohms load 2000 to 3600 W 4 Ohms 1000 to 1800 W 4 Ohms GEO S12 Passive Mode 6 in parallel 2 7 Ohms load 3300 to 6000 W 2 Ohms GEO S12 Active Mode 6 in parallel 2 7 Ohms load 3300 to 6000 W 2 Ohms 1650 to 3000 W 2 Ohms 3 1 1 Current rating It is very important that t...

Page 15: ...late the gain using the formula Gain 20 LOG10 Vout Vin Some examples Vin Gain 20dB 26dB 32dB 37dB 1 4V sensitivity 1350Wrms 0 1 V 1 V 2 V 4 V 7 1 V 0 5 V 5 V 10 V 20 V 35 4 V 1 V 10 V 20 V 40 V 70 8 V Remember that constant sensitivity settings will give a different gain value when the amplifier power is different NEXO recommends low gain amplifiers 26dB is recommended as it is at the same time ad...

Page 16: ...XO do not advise using other protection systems in conjunction with the NX242 and they should be disabled IMPORTANT For proper system protection no latency time or non linear devices should be introduced between the output of the NX242 TDcontroller and the input of loudspeakers through use of DSP modules such as internal amplifier signal processing 3 1 3 Example For a 6 GEO S12 cluster and conside...

Page 17: ...nd NXAMP recommended configurations Passive Mode Active Mode 3 GEO S12 1 channel of NXAMP4x1 in Bridge Stereo Mode 1 channel of NXAMP4x4 in 4 channels mode 2 channels of NXAMP4x1 in Bridge Stereo Mode 2 channels of NXAMP4x4 in 4 channels mode 4 GEO S12 1 channel of NXAMP4x4 in 4 channels mode 2 channels of NXAMP4x4 in 4 channels mode ...

Page 18: ... Hz 80 Hz 2 x S1230 Passive X Over 80 Hz 1 x GeoSub 35 Hz 80 Hz 2 x S1210 Passive X Over 80 Hz 1 x GeoSub 35 Hz 200 Hz 2 x S1230 Passive X Over 80 Hz 1 x GeoSub 35 Hz 200 Hz 2 x S1210 Active X Over 80 Hz 1 x GeoSub 35 Hz 80 Hz 2 x S1230 Active X Over 80 Hz 1 x GeoSub 35 Hz 80 Hz 2 x S1210 Active X Over 80 Hz 1 x GeoSub 35 Hz 200 Hz 2 x S1230 Active X Over 80 Hz 1 x GeoSub 35 Hz 200 Hz GEO S12 CD18...

Page 19: ...IFIER 1 AMPLIFIER 2 MONO STEREO Speakon 4 1 1 VLF1 2 2 VLF2 Speakon 4 Speakon 4 Speakon 4 Speakon 4 1 1 N C 2 2 FULL RANGE Speakon 4 1 1 VLF 2 2 N C TO AMPLIFIERS BALANC ED IN PUT S RIGHT LEFT 6dB 12dB 0dB OUT PUT LEVEL BALANC ED OUT PUT S RIGHT LEFT SUB L R EARTH LIFT FROM AMPLIFIERS 3 2 1 SENSE IN PUT from amp terminals CAUTION Sense must be connected for speaker protection SEE USER MANUAL STERE...

Page 20: ... AMPLIFIER 1 AMPLIFIER 2 GEOS12 3 IN 1 TO AMPLIFIERS STEREO FROM AMPLIFIERS GEOS12 3 GEOS12 4 4 3 STEREO GEOS12 4 CHANNELS 2 1 Speakon 4 Speakon 4 Speakon 4 1 1 N C 2 2 FULL RANGE GEOS12 4 Speakon 4 Speakon 4 Speakon 4 Speakon 4 Speakon 4 GEOS12 1 GEOS12 2 IN 2 GEOS12 1 GEOS12 2 ...

Page 21: ... 2 GEOS12 LEFT STEREO IN TO AMPLIFIERS STEREO FROM AMPLIFIERS GEOS12 LEFT GEOS12 RIGHT 4 3 STEREO GEOS12 STEREO MODE WITH S2 SUB STEREO SUB RIGHT SUB LEFT Speakon 4 SUB LEFT SUB RIGHT 2 1 1 1 VLF 2 2 N C Speakon 4 Speakon 4 Speakon 4 Speakon 4 1 1 N C 2 2 FULL RANGE GEOS12 RIGHT Speakon 4 1 1 VLF 2 2 N C ...

Page 22: ... 1 AMPLIFIER 2 GEOS12 LEFT STEREO IN TO AMPLIFIERS STEREO FROM AMPLIFIERS GEOS12 LEFT GEOS12 RIGHT 4 3 STEREO GEOS12 STEREO MODE WITH CD18 MONO SUB FRONT SUB REAR Speakon 4 SUB REAR SUB FRONT 2 1 1 1 REAR 2 2 FRONT Speakon 4 Speakon 4 Speakon 4 Speakon 4 1 1 N C 2 2 FULL RANGE GEOS12 RIGHT ...

Page 23: ... 1 AMPLIFIER 2 GEOS12 LEFT STEREO IN TO AMPLIFIERS STEREO FROM AMPLIFIERS GEOS12 LEFT GEOS12 RIGHT 4 3 STEREO GEOS12 STEREO MODE WITH GEO SUB MONO SUB FRONT SUB REAR Speakon 4 SUB REAR SUB FRONT 2 1 1 1 REAR 2 2 FRONT Speakon 4 Speakon 4 Speakon 4 Speakon 4 1 1 N C 2 2 FULL RANGE GEOS12 RIGHT ...

Page 24: ...Page 24 112 CONNECTION DIAGRAMS 5 6 GEO S12 NXAMP4x1 Bridge Stereo Passive mode SP4 SP4 IN A OUT A SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 OUT D IN B ...

Page 25: ...CONNECTION DIAGRAMS Page 25 112 5 7 GEO S12 NXAMP4x1 Bridge Stereo Active mode SP4 SP4 IN A OUT A SP4 SP4 SP4 OUT D 4 x HF 4 x LF ...

Page 26: ...NECTION DIAGRAMS 5 8 GEO S12 NXAMP4x4 4 Channels Passive mode SP4 SP4 IN A OUT A SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 OUT B OUT C OUT D IN B IN C IN D ...

Page 27: ...CONNECTION DIAGRAMS Page 27 112 5 9 GEO S12 NXAMP4x4 Stereo Active mode SP4 SP4 IN A OUT A SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 SP4 OUT B OUT C OUT D IN B 4 x HF 4 x LF 4 x HF 4 x LF ...

Page 28: ...evels radiated from the system to ensure enough cabinets are provided for the application as well as mechanical constraints for safe flown systems In addition it provides mechanical information for all clusters in agreement with Structural Analysis Reports available in the Help section dimensions weight gravity center position forces moments working load and safety factor GEOS8 GEOT and GEOD Struc...

Page 29: ...sts of bolt on flanges that alter the diffraction slot s exit flare rate 7 1 Installing removing GEO s Configurable Directivity flanges GEO S12 are shipped in the 80 dispersion configuration 120 flanges is an optional accessory To change dispersion in the non coupling plane to 120 Remove the front grill drawings below Remove the three TORX 5x25 screws per flange on each side of the GEO Waveguide d...

Page 30: ...w If 120 Configurable Directivity Devices are installed at the bottom cabinet of the clusters coverage will look more like the pattern in right figure below 6dB coverage all GEO S12 in 80 configuration 6dB coverage bottom GEO S12 in 120 configuration In curved vertical arrays the 120 Configurable Directivity Device can be used On the bottom row of curved vertical arrays to fill in coverage gaps in...

Page 31: ...provided with suitable safety equipment should deploy GEO Arrays Misuse of the GEO S12 Rigging System could lead to dangerous consequences Used and maintained correctly the GEO S12 Rigging System will give many years of reliable service in portable systems Please take the time to read and understand this manual Always use GEOSoft2 to determine the optimum angle settings for a particular venue hang...

Page 32: ... transit 8 1 2 Ground Stacking Safety Statistically many more injuries occur due to unstable ground stacked PA systems than those associated with flown systems There are several reasons for this fact however the message is clear Always survey the supporting structure upon which a ground stack is to be built Always look beneath PA wings to inspect the deck support and if necessary ask for the stage...

Page 33: ...ng agencies can be obtained by contacting either The Production Services Association PSA School Passage Kingston upon Thames KT1 SDU Surrey ENGLAND Telephone 44 0 181 392 0180 Rigstar Training and Testing Center 82 Industrial Dr Unit 4 Northampton Massachusetts 01060 U S A Phone 413 585 9869 Fax 413 585 9872 school rigstar com ESTA Entertainment Services Technology Association 875 Sixth Avenue Sui...

Page 34: ...hensive range of accessories can be mounted GEO S12 CONNECTING PLATES There are two families of accessories fixed installation accessories which are designed to be screwed on the connecting plates touring accessories which can be installed or removed with a quick connecting system Oblong holes for Touring Applications Accessories Tapped holes for Fixed Installation Accessories ...

Page 35: ... 1 Described configurations FIXED INSTALLATIONS TOURING APPLICATIONS SECTION 8 3 2 SECTION 8 3 2 SECTION 8 3 3 SECTION 8 3 4 SECTION 8 3 6 SECTION 8 4 9 SECTION 8 4 2 SECTION 8 4 3 SECTION 8 4 5 SECTION 8 4 6 SECTION 8 4 4 SECTION 8 4 7 SECTION 8 4 8 ...

Page 36: ...ollowing first generation accessories GEOS12 XBOW GEOS12 TCBRK GEOS12 SSBRK GEOS12 PSBRK GEOS12 TTC Have been recalled in August 2007 and MUST NO LONGER BE USED These accessories have been replaced by GEOS12 XBOW V2 GEOS12 TCBRK V2 GEOS12 SSBRK V2 GEOS12 PSBRK V2 GEOS12 TTC V2 Please contact your local distributor if any doubt in relation the GEO S12 accessories you are using WARNING 3 All GEO S12...

Page 37: ...ng Plates range 5 00 10 0 GEOS12 ANPL2 Connecting Plates range 16 0 30 0 GEOS12 ANPL3 Please refer to section 13 4 of this manual for more information of above references IMPORTANT In order to prevent screws from getting loose in fixed installations use blocking liquid LOCTITETM 243 or equivalent for all screws used with GEO S12 fixed installation accessories LOCTITETM 243 is available at NEXO or ...

Page 38: ... and corresponding plugs required to fix the U bracket on the wall or under the ceiling are properly dimensioned Procedure For screws 12mm diameter not provided are required to secure the U Bracket on the wall or ceiling Remove the four TORX screws holding connector plates on both sides of GEO S12 Fill each screw hole with Locktite 243 or equivalent Position the GEO S12 inside the U Bracket to des...

Page 39: ...ent Position external plate from GEOS12 LBRK kit and secure it using the 2 of the 4 shoulder screws supplied with this kit Position L bracket from GEOS12 LBRK kit and secure it to the cabinet using the 2 remaining shoulder screws supplied with this kit Slings and shackles not provided are required to secure the cluster under the ceiling Horizontal Remove the four TORX screws holding connector plat...

Page 40: ...s strong enough to hold GEO S12 cluster weight and that the four screws 12mm diameter and corresponding plugs required to fix the bumper under the ceiling are properly dimensioned Procedure 1 Set all GEO S12 side by side 2 Remove the four TORX screws holding connector plates on upper side of all GEO S12 s 3 Remove the connector plates from all Geo S12 s 4 Fill each screw hole with Locktite 243 or ...

Page 41: ...above steps from 2 to 6 9 Position the GEOS12 FBUMPER bumper to required angle position and use the four shoulder screws from GEOS12 FBUMPER kit to connect it the bumper to the top cabinet 10 Flip GEO S12 cluster by 90 so that it is ready to be positioned under the ceiling 11 Four screws 12mm diameter not provided are required to secure the bumper under the ceiling ...

Page 42: ...ranges from 5 to 10 ANPL3 ranges from 16 to 30 4 slings and shackles not provided IMPORTANT Ensure that the ceiling is strong enough to hold GEO S12 cluster weight and that the cables suspension system required fixing the bumper under the ceiling is properly dimensioned Procedure Connect the bumper and the two L brackets using the screws washers and bolts provided in the GEO S12 LBRK kit Proceed a...

Page 43: ...ght and that the four screws 12mm diameter and corresponding plugs required to fix the L brackets under the ceiling are properly dimensioned Procedure 1 Set all GEO S12 side by side 2 Remove the four TORX screws holding connector plates on upper side of all GEO S12 s 3 Remove the connector plates from all Geo S12 s 4 Fill each screw hole with Locktite 243 or equivalent 5 Position bottom external p...

Page 44: ...own side 8 Repeat all above steps from 2 to 6 9 Position the two U brackets from GEOS12 ABRK kits on the outer cabinets next the angle plates and tight them to the cabinets using the shoulder screws provided with these kits 10 Four screws 12mm diameter not provided are required to secure the U brackets under the ceiling ...

Page 45: ...2 to 3 15 ANPL2 ranges from 5 to 10 ANPL3 ranges from 16 to 30 4 slings and 4 shackles not provided IMPORTANT Ensure that the ceiling is strong enough to hold GEO S12 cluster weight and that the cables suspension system required fixing the cluster under the ceiling is properly dimensioned Procedure Proceed as in above section GEOS12 LBRK being positioned on the outer cabinets instead of GEOS12 ABR...

Page 46: ...r GEOS12 TTC GEOS12 TCBRK V2 U Bracket for single horizontal GEO S12 on pole stand lifting ring or truss hook GEOS12 SSBRK V2 U Bracket for two horizontal GEO S12 on pole stand lifting ring or truss hook GEOS12 PSBRK V2 Flying Bar for single vertical GEO S12 GEOS12 TTC V2 Ground Stacking device for up to 6 GEOS1210 GEOS12 GSTK Please refer to section 13 3 of this manual for more information of abo...

Page 47: ...ANT RS15 POLE STAND NEXO STDPS pole stand only should be used for mounting on top of NEXO RS15 If 2 RS15s are to be stacked below GEO S12s pole mounted they should be connected together through use of RS15 rigging plates RS15s must always be installed on a horizontal surface Ensure that public is not allowed within a safety area which radius is equal or higher than assembly height Procedure Slide ...

Page 48: ...Page 48 112 GEO S12 HARDWARE SETUP PROCEDURE ...

Page 49: ...ORTANT Ensure that safety pin is properly locked into GEO S12 connecting panel Cable suspension Connect lifting ring GEOS12 XHBRK to flying bar by inserting 8x45 quick release pin in required holes for proper vertical aiming Ensure lifting ring is properly locked to flying bar Connect assembly to suspension point with sling and shackle not provided Truss suspension Connect truss hook GEOS12 TCBRK ...

Page 50: ...12 connecting panels Position U bracket over these side plates align centre holes Insert adjustment handles adjust vertical angle and tight the handles to prevent GEO S12 from rotating around U bracket Cable suspension Connect lifting ring GEOS12 XHBRK to U bracket by inserting 8x45 quick release pin dedicated holes Ensure lifting ring is properly locked to U bracket Connect assembly to suspension...

Page 51: ... of NEXO RS15 If 2 RS15s are to be stacked below GEO S12s pole mounted they should be connected together through use of RS15 rigging plates RS15s must always be installed on a horizontal surface Ensure that public is not allowed within a safety area which radius is equal or higher than assembly height Procedure Set the 2 GEO S12 next to each other front grid to the floor Slide GEOS12 PSBRK V2 side...

Page 52: ...Page 52 112 GEO S12 HARDWARE SETUP PROCEDURE ...

Page 53: ...ntre holes Insert adjustment handles adjust vertical angle and tight the handles to prevent GEO S12 from rotating around U bracket Lift assembly on Wind Up stand or on RS15 with STDPS pole stand Slide GEOS12 PSBRK V2 upper half plates into upper GEO S12 connecting plate oblong holes Lock safety pins into upper GEO S12 connecting plate Lift upper GEO S12 on top of lower one and connect them togethe...

Page 54: ...Page 54 112 GEO S12 HARDWARE SETUP PROCEDURE DOWN CABINET UP CABINET ...

Page 55: ...nd lock to required angle value with 8x20 quick release pins Position U bracket over these side plates align centre holes Insert adjustment handles adjust vertical angle and tight the handles to prevent GEO S12s from rotating around U bracket Cable suspension Connect lifting ring GEOS12 XHBRK to U bracket by inserting 8x45 quick release pin dedicated holes Ensure lifting ring is properly locked to...

Page 56: ... 8 4 7 Two or more GEO S12 flown vertically Required items N Pair of Rigging Plates GEOS12 XBOW V2 for N cabinets 1 lifting ring GEOS12 XHBRK every two GEO S12 4xN Quick release pins for N cabinets Properly rated slings shackles hoists not provided IMPORTANT Lifting ring GEOS12 XHBRK and truss hook GEOS12 TCBRK V2 are rated for a maximum of 2 GEO S12s Ensure that suspension points are rated accord...

Page 57: ...ers for stereo designs Connect second Geo S12 with X Bow front articulation holes and rear link bars and ensure quick release pins are properly locked Repeat above steps for subsequent GEO S12 s IMPORTANT Ensure angle settings are identical on upper and lower side of the cabinets Ensure that safety pins are properly locked into GEO S12s connecting panels Ensure that all quick release pins are prop...

Page 58: ...ifting rings to suspension points with sling and shackle Secure assembly with secondary safety steel IMPORTANT The requirements for secondary safety systems vary with territories However the secondary safety steel MUST have a SWL equivalent or greater than that of the rigging system ...

Page 59: ...2 for proper motor hoist rating GEO S12 XBOW ANGLE SETTINGS PLATE Optional GEOS12 TLB link bar for GEO S12 XBOW GEOS12 XBOW V2s are delivered with standard link bars which allow both stacked and flown setups However these link bars require perfect alignment of angle setting holes when adding cabinets GEO S12 X BOW STANDARD LINK BAR 3 15 2 0 1 25 0 8 0 5 0 315 0 2 5 0 6 3 8 0 10 0 L I F T 16 0 22 5...

Page 60: ...ssory range GEO S12 X BOW OPTIONAL GEOS12 TLB LINK BAR To install GEOS12 TLB remove the standard link as well as nut screw and washers When using GEO S12 XBOW for flown setups insert pins in the oblong hole and opposite circular hole REMOVING STANDARD LINK BAR INSERTING PIN FLOWN SETUPS Procedure Insert GEOS12 XBOW V2 into connecting plates of both sides of the cabinet Lock safety pins into GEO S1...

Page 61: ...igurations Connect bumper to first GEO S12 using lift points of GEO S12 X Bows ensure quick release pins are properly locked Insert axis in bumper Geosoft2 predefined hole and secure it with provided R clip NB Bumper holes are numbered 17 to 17 please refer to Geosoft2 to determine axis position in relation to bumper angle requirements If bumper is flown with 2 hoists then they should be connected...

Page 62: ...sure that all quick release pins are properly locked into their position Lift cluster to Geosoft2 defined rigging height secure cluster horizontally to prevent it from rotating Secure bumper with secondary safety steel IMPORTANT The requirements for secondary safety systems vary with territories However the secondary safety steel MUST have a SWL equivalent or greater than that of the rigging syste...

Page 63: ...rea which radius is equal or higher than assembly height Optional GEOS12 TLB link bar for GEO S12 XBOW GEOS12 XBOW V2s are delivered with standard link bars which allow both stacked and flown setups However these link bars require perfect alignment of angle setting holes when adding cabinets GEO S12 X BOW STANDARD LINK BAR To facilitate flying and stacked operation an optional link bar with oblong...

Page 64: ... device sideways Axis R clips and handles to assemble the ground stack device Procedure Assemble the two connecting beam and the reinforcement beam with the handles Depending on tilt angle negative null or positive to be achieved there are three positions to connect above assembly to the supporting beams below drawings detail these configurations Connect the reinforcement bar to the supporting bea...

Page 65: ... panels Connect bottom GEO S12 to GEO S12 Ground stacking device with 4 8x20 quick release pins Connect second Geo S12 with X Bow front articulation holes and rear link bars and ensure quick release pins are properly locked Repeat above steps for subsequent GEO S12 s Once the assembly is completed rotate rear or front GEO S12 ground stack device adjustable legs to definitive tilt angle ensuring th...

Page 66: ...Page 66 112 GEO S12 HARDWARE SETUP PROCEDURE ...

Page 67: ... the grid to the cabinet b The machine screws attaching the connecting plates to the cabinet c The screws attaching the directivity flanges to the front of the cabinet These fasteners should be regularly checked and tightened as necessary Cleaning The exterior of the cabinet and the rigging system can be cleaned with a damp cloth soaked in mild soapy water On no account use solvent based cleaners ...

Page 68: ... pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supp...

Page 69: ...e Therefore it is left to the user to provide a disconnection mean readily operable 9 3 2 Voltage setting NEXO TDcontrollers use a switch mode power supply SMS12 This SMS12 accepts universal AC power input voltages in the range 90V to 264V and requires no manual adjustment for voltages in this range 9 3 3 Mounting the TDcontroller in a rack Grounding shielding safety issues The TDcontroller is int...

Page 70: ...nels can be paralleled Where precise information is not available and taking 10kOhm as the minimum value possible ten channels in parallel per output is a sensible maximum 9 3 7 Electromagnetic environments The emission this word describes all types of electromagnetic noise radiated by the equipment requirements which have been applied to Nexo s TDcontrollers are the stringent requirements of the ...

Page 71: ...anced input it is best to use a shielded twisted pair and to connect wire 3 at the TDcontroller end only as shown in Fig 2 This keeS12 a good capacitance balance for the signal however noise currents flow on the return path of the signal Note that this is only acceptable for a short cable If you are using a symmetrical balanced source or amplifier which is prone to become noisy when a current of l...

Page 72: ...he Subbass Adjusting the Subbass level Sub Level The potentiometer adjusts the level of the Subbass channel a range of 12 dB allows a variety of configurations and application conditions to be accommodated Center position of the knob is calibrated for 1 Subbass used with 2 distant S12 Amplifier Protection indicator The bicolor green red AMP LED indicates signal presence at the sense input of the c...

Page 73: ...rce connected to the input is also balanced see previous section Sense inputs The sense inputs of the three channels left right and SUB are arranged on a six pole barrier strip set into the rear panel within the area labeled SENSE INPUT The Sense inputs are intended for connection to the output signals of the amplifiers driving one cabinet of each the channels being used Connection is made via the...

Page 74: ...rection to obtain a flat system response as the cabinets are acoustically designed for maximum efficiency in the whole frequency range Active rather than passive attenuation allows amplifier voltages to be lowering for a given output SPL and therefore increases the maximum SPL achievable with the same amplifier Active equalization also extends system bandpass especially at low frequencies where ac...

Page 75: ...ated to limit the voice coil temperature within its safety range Power compression is also simulated by lowering the high frequencies when temperature protection is acting on the bass loudspeaker Dynamic control To reduce audible pumping effects due to very long time constants of temperature detection signals an alternate integration is also processed with a shorter time constant Whilst anticipati...

Page 76: ...ptimised to work in conjunction with overall system response The high pass filters are also extremely important as they help control excursion at very low frequencies which is a major feature for system reliability This is one of the main reasons to avoid using setups which are not designed for the cabinet you are using Equalising acoustical response NEXO loudspeakers are acoustically designed for...

Page 77: ...l buffer while the VCEQ acts as an instantaneous very short attack time limiter to prevent displacement from exceeding the maximum permissible value Temperature Control Each sense signal is fed into a shaping filter one per transducer each one producing a signal proportional to the instantaneous current flowing into the voice coil of the transducer After rectification this signal is integrated wit...

Page 78: ...42 can lower the quality safety of your system Listed below are the most common errors encountered by NEXO Technical Support 10 2 1 Operation of Multiple TDcontrollers output channels Typically GEO S12 systems require multiple NX242 s output channels per side Eventually two or more NX242 s channels will operate within the same cluster It is mandatory to verify the consistency of the setups and adj...

Page 79: ...ay also require a coverage test If you invert two outputs of the NX242 you could have the main lobe inverted and firing to the rear It may be quite hard to detect a reversed cardioid pattern when it involves one section of a large array A good practice is to test the each cabinet in the array with the front speakers only The system is then omni directional Then turn on the back speaker you should ...

Page 80: ...exo sa com Please check our website periodically for upgrades Never install a GEO S12 cluster without checking its acoustical performances and mechanical safety in Geosoft2 prior to installation Please contact your local distributor for assistance and or training on Geosoft2 11 2 Stacked RS15 CD18 S2 GEO SUB and Flown GEO S12 Recommended NX242 GEOS12 setup family X OVER In the example below r1 bei...

Page 81: ...bandwidth with a low pass filter can introduce a phase difference of up to 180 completely out of phase at the cross over point If the signal is passing though any digital equipment between 1 4ms and 2 2ms is being added around 70 phase shift at 100Hz due solely to the converter delay The additional delay due to the processing itself look ahead compressor delay can be quite important as well If bot...

Page 82: ...f point Sin vertical angle in degrees x distance to point NB Take care when using spreadsheets as they calculate using radians by default To convert degrees to radians use the formula Angle in radians 3 142 x Angle in degrees 180 Computer Laptop or Desktop PC running Windows XP with the current version of NEXO GeoSoft2 installed It is not possible to configure a Geo tangent array properly without ...

Page 83: ...ereo 1 GEO SUB Rear GEO SUB Front GEO S12 Left Geo S12 Right GEOS12 Active 2 Channels GEO S12 LF Left GEOS12 HF Left GEO S12 LF Right GEO S12 HF Right RS15 Cardio GEOS12 Active Mono RS15 Rear RS15 Front GEO S12 LF GEOS12 HF CD18 GEOS12 Active Mono CD18 Rear CD18 Front GEO S12 LF GEOS12 HF GEO SUB GEOS12 Active Mono GEO SUB Rear GEO SUB Front GEO S12 LF GEOS12 HF Output parameters Output Label Amp ...

Page 84: ...ten to the upper boxes at a close distance 1 meter You should be able to move from the top to the bottom of the cluster without hearing any change in the tonal balance Verify that the angle settings are the same on both sides of each module Raise the bumper attach the next series of modules and repeat the above checks Make sure that these series of modules sum properly with the modules above them ...

Page 85: ... into 4 Ohms LF 1750 to 3100 Watts into 4 Ohms 4 GEO S1230 in parallel HF 1000 to 1800 Watts into 4 Ohms LF 2000 to 3600 Watts into 4 Ohms 6 GEO S1230 in parallel HF 1650 to 3000 Watts into 2 Ohms LF 3300 to 6000 Watts into 2 Ohms SYSTEM OPERATION Electronic controller The NEXO TDcontrollers presets are precisely matched to the GEO S12 Series cabinets and include sophisticated protection Using GEO...

Page 86: ...Page 86 112 TECHNICAL SPECIFICATIONS 13 1 2 Dimensions 30 344 mm 13 1 2 400 mm 15 1 2 675 mm 26 1 2 13 1 3 Diagrams ...

Page 87: ...s 4 GEO S1210 in parallel HF 1000 to 1800 Watts into 4 Ohms LF 2000 to 3600 Watts into 4 Ohms 6 GEO S1210 in parallel HF 1650 to 3000 Watts into 2 Ohms LF 3300 to 6000 Watts into 2 Ohms SYSTEM OPERATION Electronic controller The NEXO TDcontrollers presets are precisely matched to the GEO S12 Series cabinets and include sophisticated protection Using GEO S12 Series cabinets without a properly conne...

Page 88: ...Page 88 112 TECHNICAL SPECIFICATIONS 13 2 2 Dimensions 344 mm 13 1 2 378 mm 15 675 mm 26 1 2 10 13 2 3 Diagrams ...

Page 89: ...TECHNICAL SPECIFICATIONS Page 89 112 731 mm 656 mm 294 mm 13 3 GEO S12 Touring Applications Accessories 13 3 1 GEO S12 Bumper Parts Dimensions Weight 20 kg 44 1 Lbs ...

Page 90: ...Page 90 112 TECHNICAL SPECIFICATIONS GEOS12 XBOW V2 13 3 2 GEO S12 Rigging Plates Parts Dimensions 376 50 53 352 3 Weight pair 10 7 kg 23 6 Lbs ...

Page 91: ...TECHNICAL SPECIFICATIONS Page 91 112 GEOS12 TLB 13 3 3 Tension Mode Link Bars for GEOS12 XBOW V2 Parts Dimensions 46 1 225 3 Weight pair 0 6 kg 1 3 Lbs ...

Page 92: ...Page 92 112 TECHNICAL SPECIFICATIONS 13 3 4 Lifting Ring Parts Dimensions 132 36 58 Weight kit 0 3 kg 0 661 Lbs ...

Page 93: ...TECHNICAL SPECIFICATIONS Page 93 112 GEOS12 TCBRK V2 13 3 5 Truss hook for GEOS12 SSBRK or GEOS12 PSBRK Parts Dimensions 198 135 47 Weight kit 0 620 kg 1 37 Lbs ...

Page 94: ...Page 94 112 TECHNICAL SPECIFICATIONS GEOS12 TTC V2 13 3 6 Truss hook for single vertical GEO S12 Parts Dimensions 47 5 41 264 Weight kit 0 7 kg 1 54 Lbs ...

Page 95: ...TECHNICAL SPECIFICATIONS Page 95 112 GEOS12 SSBRK V2 13 3 7 U Bracket for single vertical GEO S12 Parts Dimensions 899 575 212 Weight kit 7 kg 15 4 Lbs ...

Page 96: ...Page 96 112 TECHNICAL SPECIFICATIONS GEOS12 PSBRK V2 13 3 8 U Bracket for two vertical GEO S12 Parts Dimensions 899 737 284 Weight kit 10 4 kg 22 9 Lbs ...

Page 97: ...ICAL SPECIFICATIONS Page 97 112 GEOS12 GSTK x 4 x 2 x 8 In Service Equipment Storage Pattern 13 3 9 Ground Stacking Device for up to 6 GEO S1210 Parts Dimensions 307 1035 1030 860 Weight kit 26 5 kg 58 4 Lbs ...

Page 98: ...Page 98 112 TECHNICAL SPECIFICATIONS 13 4 GEO S12 Fixed Installations Accessories 13 4 1 GEO S12 Bumper Parts Dimensions 691 251 215 Weight kit 14 5 kg 32 Lbs ...

Page 99: ...TECHNICAL SPECIFICATIONS Page 99 112 13 4 2 GEO S12 Connecting Plate 1 Parts Dimensions 313 6 216 Weight kit 7 5 kg 16 5 Lbs ...

Page 100: ...Page 100 112 TECHNICAL SPECIFICATIONS 13 4 3 GEO S12 Connecting Plate 2 Parts Dimensions 310 6 173 Weight kit 6 2 kg 13 7 Lbs ...

Page 101: ...TECHNICAL SPECIFICATIONS Page 101 112 13 4 4 GEO S12 Connecting Plate 3 Parts Dimensions 293 6 169 Weight kit 5 5 kg 12 1 Lbs ...

Page 102: ...Page 102 112 TECHNICAL SPECIFICATIONS 13 4 5 Single GEO S12 U Bracket Parts Dimensions Weight 2 9 kg 6 4 Lbs 172 712 400 ...

Page 103: ...TECHNICAL SPECIFICATIONS Page 103 112 13 4 6 L Bracket for cable suspension Parts Dimensions 51 44 301 Weight kit 1 75 kg 3 86 Lbs GEOS12 LBRK WARNING Screws must be secured using Loctite 243TM ...

Page 104: ...Page 104 112 TECHNICAL SPECIFICATIONS 13 4 7 U Bracket for rigid suspension Parts Dimensions 51 112 199 Weight kit 1 75 kg 3 86 Lbs GEOS12 ABRK WARNING Screws must be secured using Loctite 243TM ...

Page 105: ...TECHNICAL SPECIFICATIONS Page 105 112 8 mm 20 mm 13 4 8 GEO S12 Push Pins BLGEOS WEIGHT 0 032 KG 0 07 LBS ...

Page 106: ...ovable Strip Terminal Audio Outputs Two L R S12 Audio outputs Balanced non floating 51 Ohm Two XLR 3M One Mono L R LS400 Audio output Balanced non floating 51 Ohm One XLR 3M Controls Gain switch back panel 3 positions 6 0 6dB Peak Limiter trimmer 1200W 600W 8 Ohms for S12 Subbass Sub Overlap Crossover switch Sub Gain Control 6dB Indicators LF speakers Protect Yellow LED s Temp Disp Power ON green ...

Page 107: ...t accumulator 200 MIPS Front Panel Menu A and Menu B buttons 16 characters by 2 lines display Select Wheel Enter button IN Clip DSP Clip red LED s Speaker Protection yellow LED for each channel Individual Mute Solo buttons and red LED for each channel Amp Sense Peak green red LED s for each channel FLASH EPROM Software updates upgrades new system setups available on www nexo sa com Rear Panel RS23...

Page 108: ...EQ A D DAC MUTE EQ EQ SHELVING A D EQ Command HF TEMPERATURE 4 Command HF TEMPERATURE 3 Command HF TEMPERATURE 2 Command HF TEMPERATURE VCA VCA VCA VCA FALLBACK AMP VOLTAGE Signal AMP POWER AMP GAIN FALLBACK AMP VOLTAGE Signal AMP POWER AMP GAIN FALLBACK AMP VOLTAGE Signal AMP POWER AMP GAIN FALLBACK AMP VOLTAGE Signal AMP POWER AMP GAIN Command displacement DISPLACEMENT 4 Command displacement DIS...

Page 109: ...W 14 2 Accessories List MODEL DRAWING DESCRIPTION GEOS12 BUMPER Main GEOS12 Bumper for touring application GEOS12 XBOW V2 Rigging plates for touring applications pair GEOS12 TLB Link Legs for GEOS12 XBOW V2 with Oblong Holes pair includes 2 8x20 Quick Release Pins BLGEOS 8x20 Quick Release Pin for Geo S8 GeoS12 RS15 GEOS12 XHBRK Lifting Ring for GEOS12 SSBRK or GEOS12 PSBRK or GEOS12 XBOW includes...

Page 110: ...GEOS12 Bumper for fixed installation GEOS12 ANPL1 Connecting Plates range 0 20 3 15 for fixed installation GEOS12 ANPL2 Connecting Plates range 5 00 10 00 for fixed installation GEOS12 ANPL3 Connecting Plates range 16 00 30 00 for fixed installation GEOS12 UBRK U Bracket for fixed installation GEOS12 LBRK L Bracket for cable suspension for fixed installation GEOS12 ABRK U Bracket for rigid suspens...

Page 111: ...USER NOTES Page 111 112 15 USER NOTES ...

Page 112: ...Page 112 112 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 info nexo fr www nexo sa com ...

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