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GEO

D

RIGGING PROCEDURE

Page

21/93

5.2.2 Rigging

Accessories

Rigging Accessories are:

•

Bumper

(GEOD-BUMPER)

•

Short Extension Bar (GEOD-EXBAR1)

•

Compression

Wheel for Short Extension Bar EXBAR1 (GEOD-ORP)

•

Two legs Bridle (GEO-BRIDLE)

•

Long Extension Bar (GEOD-EXBAR2)

•

Bottom Extension Bar (GEOD-EXBAR3)

•

Front Extension Bar (GEOD-EXBAR4)

•

Bottom

Bumper

(GEOD-BTBUMPER)

•

Chain Lever Hoists (LEVA0750 or LEVA1500)

•

Chain

Bag

(CHBAG)

•

Push-Pins

(BLGEOD)

•

Shoulder Bolts and Nuts (GEOD-BNFIX)

•

Bumper Stands stacking kit (GEOD-BUDP)

GEOD-EXBAR4

GEOD-BUMPER

GEOD-EXBAR1

GEOD-ORP GEOD-EXBAR2

GEOD-EXBAR3

GEO BRIDLE

GEOD-BTUMPER

GEOD-LEVA750 & LEVA150

CHBAG

BLGEOD -GEOD-BNFIX

GEOD-BUDP

IMPORTANT

All GEOD / GEO SUB Rigging Components are specifically rated in agreement with
structural computations.
Never use other accessories – including push-pins - when assembling GEO D / GEO SUB

clusters than the ones provided by NEXO: NEXO will decline responsability over the
entire GEOD / GEO SUB rigging system if any component is purchased from different
supplier.

6 x

x 4

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Содержание GEO D series

Страница 1: ...GEO D Series D10 10 Tangent Array Module Geo Sub Directional Sub bass User Manual GEO D Series User Manual V1 04 Date 07 06 2007 ...

Страница 2: ...m is less 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 ben...

Страница 3: ...issible 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 a 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 ...

Страница 4: ... 1 SAFETY FIRST 17 5 2 General Description 20 5 3 GEO D GEO SUB Ground Stacked 25 5 4 GEO D Cluster Flying Setup 1 motor 30 5 5 GEO D Cluster Flying Setup 2 motors 39 5 6 GEO SUB GEO D Combined Cluster Flying Setup 2 motors required 47 5 7 GEO SUB Cluster Flying Setup 2 motors required 56 5 8 Fixed installations 63 5 9 Testing and Maintenance of the system 64 6 NEXO NX242 Digital Controller for GE...

Страница 5: ... 8 3 Are the amps and the NX properly connected 73 8 4 Are the speakers properly connected and angled 73 8 5 Final Pre Sound Check Check 74 9 Technical Specifications 75 9 1 GEO D10 Vertical Tangent Array Module 75 9 2 GEO SUB Directional Sub Bass 77 9 3 GEO D GEO SUB Rigging system 79 9 4 NX242 TDcontroller with NX Tension Card 83 10 Connection diagrams 85 10 1 GEO D cluster to amplifiers and NX2...

Страница 6: ...8 Ohm Driver and 2x 12 30cm Neodynium 16 ohms LF drivers controlled by DSP advanced proprietary algorithm producing a 120 x 120 cardioid pattern Can be used in conjunction with GeoD in flown clusters or in ground stacked configuration NX242 Digital TDcontroller and NXtension ES4 provides comprehensive control of GEO D loudspeakers in multiple configurations It allows EthersoundTM digital audio net...

Страница 7: ...e essential to ensure proper audience coverage when installing a GEO Tangent Array GEOSoft2 Array Design Software simplifies the design and implementation of vertical tangent 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 arra...

Страница 8: ...e 4 Positive Not Connected GEO D10 Active Mode Rear 8 LF 16 Ω 1 Negative 2 Positive Front 12 LF MF 16 Ω 3 Negative 4 Positive 1 4 HF 16 Ω 5 Negative 6 Positive IMPORTANT NEVER USE a male AP6 connector to feed the signal High voltages and currents are delivered from the amplifiers to the GEO D system EXPOSURE TO HIGH SOUND PRESSURE LEVELS MAY CAUSE A PERMANENT HEARING LOSS REFER TO USER MANUAL IN I...

Страница 9: ... SUB connectors The GEO SUB s are connected to power amplifiers via NL4FC SPEAKON connectors not supplied A wiring diagram is printed on the connection panel located on the back of each cabinet The in out pins of the SPEAKON sockets are identified The sockets are connected in parallel within the enclosures see the Connections Diagrams section of this manual NL4FC 1 1 2 2 GEO SUB Rear 12 s VLF 8 Ω ...

Страница 10: ...10 LF section wired in parallel will present a 16 4 4 Ohm load impedance The maximum acceptable 2x2 5 mm2 AWG 12 cable length Lmax for such a cluster is 10 meters The GEO SUB subwoofer has a 2 x 8 Ohms nominal impedance therefore 2 GEO SUB s wired in parallel will present a 2 x 4 Ohm load impedance The maximum acceptable 2x4 mm2 AWG 10 cable length Lmax is then 16 meters IMPORTANT Long speaker cab...

Страница 11: ...0 W 2 Ohms 2 2 2 GEO SUB recommended amplification The GEO SUB requires two amplifier channels delivering separately processed signals to produce its directional pattern Recommended Amplifier Channel 1 VLF Rear Channel 2 VLF LF Front GEO SUB Single 8 Ohms load 1000 to 2000 W 8 Ohms 1000 to 2000 W 8 Ohms GEO SUB 2 in parallel 4 Ohms load 2000 to 4000 W 4 Ohms 2000 to 4000 W 4 Ohms 2 2 3 Current rat...

Страница 12: ...e it is impossible for the user to verify the actual setting without opening the amplifier casing In cases where you don t know the gain of your amplifier or want to check it please follow this procedure 1 Unplug any loudspeakers from the amplifier outputs 2 With a signal generator feed a sine wave at 1000Hz at a known voltage say 0 5V to the input of the amplifier under test 3 Measure the voltage...

Страница 13: ...UB amplification Warning on amplifiers signal processing features Some high end amplifiers may include signal processing functions similar to those found in the NX242 TDcontroller loudspeaker offset integration limiter compressor etc Moreover when this processing is digital computation latency time can introduce a few milliseconds delay from input to output These functions are not adapted to speci...

Страница 14: ...adiated 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 GeoS and GeoT Structural Analysi...

Страница 15: ...e consists of bolt on flanges that alter the diffraction slot s exit flare rate 4 1 Installing removing GEO s Configurable Directivity flanges GEO D10 are shipped in the 80 dispersion configuration with the 120 flanges in a separate bag To change dispersion in the non coupling plane to 120 remove the front grill drawings below remove the three TORX head 25 screws per flange on each side of the GEO...

Страница 16: ...0 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 D10 s in 80 configuration 6dB coverage bottom GEO D10 s 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 th...

Страница 17: ... fully conversant with the operation of the GEO D GEO SUB Rigging System and provided with suitable safety equipment should deploy GEO Arrays Misuse of the GEO D GEO SUB Rigging System could lead to dangerous consequences Used and maintained correctly the GEO D GEO SUB Rigging System will give many years of reliable service in portable systems Please take the time to read and understand this manua...

Страница 18: ...ocedure as for the installation Pack GEO D GEO SUB components carefully to prevent damage in transit 5 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...

Страница 19: ...encies 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 Suite 10...

Страница 20: ... which is mounted at the NEXO factory GEOD10 ARRAY MODULE GEOS SUB ARRAY MODULE GEO D10 and GEO SUB angle sequences are identical and follow logarithmic scales Angle setting values are Bumper to first cabinet GEO D10 or GEO SUB 0 Cabinet to cabinet GEOD10 or GEO SUB 0 20 0 315 0 50 0 80 1 25 2 0 3 15 5 0 6 3 8 0 10 GEO D10 RIGGING PLATE GEO SUB RIGGING PLATE ...

Страница 21: ...ush Pins BLGEOD Shoulder Bolts and Nuts GEOD BNFIX Bumper Stands stacking kit GEOD BUDP GEOD EXBAR4 GEOD BUMPER GEOD EXBAR1 GEOD ORP GEOD EXBAR2 GEOD EXBAR3 GEO BRIDLE GEOD BTUMPER GEOD LEVA750 LEVA150 CHBAG BLGEOD GEOD BNFIX GEOD BUDP IMPORTANT All GEOD GEO SUB Rigging Components are specifically rated in agreement with structural computations Never use other accessories including push pins when ...

Страница 22: ... pull up force is applied that the correct angles are obtained 2 Bumper angle is then set by adjusting front and rear motors 3 1 LIFTING CLUSTER VERTICALLY 2 APPLYING COMPRESSION 3 ADJUSTING BUMPER ANGLE In case GeoD10 cluster is flown from one rigging point 8 GEO D maximum no GEO SUB allowed array is lifted with all cabinets at 0 Pull back force and bumper angle are then set with the Chain Lever ...

Страница 23: ...luster Two Rigging Points Described Cases Sections below describe GEO D10 and GEO SUB clusters rigging procedures for the following cases GEOD BUMPER GEOD EXBAR1 GEOD BTBUMPER LEVA750 GEO BRIDLE GEOD ORP GEOD EXBAR4 Section 5 4 GEO D Cluster One Rigging Point GEOD BUMPER GEOD BUPDP Section 5 3 GEOD Ground Stacked ...

Страница 24: ... GEOD BUMPER GEOD EXBAR2 GEOD BUMPER LEVA1500 GEOD EXBAR3 GEOD EXBAR4 Section 5 7 GEO SUB Cluster Two Rigging Points GEOD BUMPER GEOD EXBAR2 GEOD BTBUMPER LEVA750 GEOD EXBAR4 Section 5 6 Combined GEO D GEO SUB Cluster Two Rigging Points ...

Страница 25: ...ributed on four points and perfectly horizontal 5 3 1 Allowed stacked configurations IMPORTANT Allowed Stacked Configurations are 4 GEO D maximum or 1 GEO SUB max bottom 3 GEOD max top or 2 GEO SUB Bumper angle must never exceed 6 5 5 3 2 Installing Bumper Stands on Bumper Install bumper stands and nuts according to drawing below IMPORTANT Make sure nuts are properly positioned on both sides of th...

Страница 26: ...ot reverse rigging plates Whenever possible NEXO recommends symmetrical designs preferably NEXO logo inwards in stereo configurations LEFT CONFIGURATION RIGHT CONFIGURATION 4 push pins BLGEOD 10mm diameter x 20 mm length connect the bottom GEO D10 to the bumper Position the first GEO D10 on bumper Link the GEO D10 to the bumper assembly using the four 10mm x 20mm push pins front bumper connects at...

Страница 27: ...GEO D RIGGING PROCEDURE Page 27 93 BUMPER TO FIRST GEOD ASSEMBLY LEFT CONFIGURATION RIGHT CONFIGURATION 5 3 4 First to second GEO D 10 FIRST TO SECOND GEO D10 ...

Страница 28: ...nect the upper GEO D link bar to the lower GEO D rigging plate or lower link bar to upper rigging plate for Right configuration by inserting one 10mm x 20 mm push pin in the SAFETY PIN MUST BE FITTED hole on each side see figure below IMPORTANT The push pins for SAFETY PIN MUST BE FITTED holes must always be inserted first and stay in position permanently NEVER REMOVE THEM ONCE CABINETS ARE STACKE...

Страница 29: ...l all GEO D10 s are in place IMPORTANT DO NOT attempt to make any changes to the angle adjustments without releasing weight on the linking bars 5 3 6 Ground Stacking GEO SUB with Geo D10 s Proceed exactly as above bottom cabinet must always be a GEO SUB GEO D10 GEO SUB GEO D10 MAXIMUM ALLOWED STACKED CONFIGURATION ...

Страница 30: ... flown GEO D GEOD BNFIX IMPORTANT Motor and chain lever hoist must be rated to support the entire cluster weight Please check configurations in Geosoft2 for proper motor and chain lever hoists rating 5 4 1 Allowed One Rigging Point Configurations IMPORTANT One rigging point mode is strictly limited to GeoD clusters no Geo Sub allowed Maximum GeoD quantity allowed for this mode is 8 Compression Whe...

Страница 31: ...fixed length leg to the rear rigging point Attach the chain hook of the LEVA750 or LEVA1500 Chain Lever Hoist to the motor see drawing below after passing the chain through Short Extension Bar EX1 behind rear compression point Install the compression wheel by removing the axis located at compression point inserting the wheel and setting back the axis in position ensure that the axis is properly lo...

Страница 32: ... NEXO logo inwards in stereo configurations LEFT CONFIGURATION RIGHT CONFIGURATION 4 push pins BLGEOD 10mm diameter x 20 mm length connect the top GEO D10 to the bumper Position the bumper on the first GEO D10 by lifting or lowering bumper assembly with motor hoist Link the GEO D10 to the bumper assembly using the four 10mm x 20mm push pins front bumper connects at GEO D10 front articulation point...

Страница 33: ...GEO D RIGGING PROCEDURE Page 33 93 FIRST GEO D10 TO BUMPER ASSEMBLY RIGHT CONFIGURATION LEFT CONFIGURATION 5 4 4 First to second GEO D 10 FIRST TO SECOND GEO D10 ...

Страница 34: ... link bar to the lower GEO D rigging plate or lower link bar to upper rigging plate for Right configuration by inserting one 10mm x 20 mm push pin in the SAFETY PIN MUST BE FITTED hole on each side see figure below IMPORTANT The push pins for SAFETY PIN MUST BE FITTED holes must always be inserted first and stay in position permanently NEVER REMOVE THEM ONCE CABINETS ARE SUSPENDED Insert two addit...

Страница 35: ...tom Bumper Manually raise the Bottom Bumper and rotate the fingerwheel clockwise until the chain is taught Make a final check that the Chain Lever Hoist is correctly installed Rotate the lever to apply the pull up force to the bottom of the array notice that as the chain gets shorter the cabinets in the array close together to the angles set by the angle adjustments push pins As the chainload tens...

Страница 36: ... GEO D array to the height determined in GeoSoft2 GeoSoft2 array height definition is for the top edge of the topmost cabinet Once the bumper is in definitive position a secondary safety steel must be fitted this secondary safety steel should link the bumper to a suitable point in the supporting structure IMPORTANT The requirements for secondary safety systems vary with territories However the sec...

Страница 37: ...ithout climbing the array This ensures that a cable should not be accidentally forgotten when the system is separated Damage to the connector will occur should this mistake be made Angle adjustment push pins should be removed from the angle setting and inserted in the FIX hole so that Geo D s sit flat on the dolly Lift the dolly manually below the array and connect it to the bottom GEO D with 4 pu...

Страница 38: ... rigging with GEOD Dolly Storage Tray IMPORTANT GEOD Dolly Storage Tray are designed for 3 or 4 GEO D s bumper or case GEOSUB Dolly Storage Tray is designed for up to 2 GEO SUB s bumper or case Never exceed these quantities FROM PACKAGED TO FLOWN GEO D10 S ...

Страница 39: ...otor and chain lever hoists rating 5 5 1 Bumper Assembly Strong bumper positive tilt only connect the Front Extension Bar Bumper through the Link Points the with the two axes using corresponding holes see drawing below and ensure that these axes are properly locked with supplied R clips Link Points LINKING GEOD BUMPER AND EXTENSION BAR EXBAR4 Connect the Short Extension Bar EX1 to the Main Bumper ...

Страница 40: ... front Right means Nexo logo on front grid is right as seen from front GEO D10 can be connected to bumper Left or Right by simply flipping the cabinets upside down do not reverse rigging plates Whenever possible NEXO recommends symmetrical designs preferably NEXO logo inwards in stereo configurations LEFT CONFIGURATION RIGHT CONFIGURATION 4 push pins BLGEOD 10mm diameter x 20 mm length connect the...

Страница 41: ...nt bumper connects at GEO D10 front articulation point rear bumper connects at LIFT GEO D10 rigging plates holes Check that all push pins are in their locked position Ensure that no objects have been placed accidentally on the top of the bumper as they may fall when the system is lifted FIRST GEO D10 TO BUMPER ASSEMBLY RIGHT CONFIGURATION LEFT CONFIGURATION 5 5 3 First to second GEO D 10 FIRST TO ...

Страница 42: ... link bar to the lower GEO D rigging plate or lower link bar to upper rigging plate for Right configuration by inserting one 10mm x 20 mm push pin in the SAFETY PIN MUST BE FITTED hole on each side see figure below IMPORTANT The push pins for SAFETY PIN MUST BE FITTED holes must always be inserted first and stay in position permanently NEVER REMOVE THEM ONCE CABINETS ARE SUSPENDED Insert two addit...

Страница 43: ...ttom Bumper and rotate the fingerwheel clockwise until the chain is taught Make a final check that the Chain Lever Hoist is correctly installed Rotate the lever to apply the pull up force to the bottom of the array notice that as the chain gets shorter the cabinets in the array close together to the angles set by the angle adjustments push pins As the chainload tensions ensure that no twisting occ...

Страница 44: ...is for the top surface of the topmost cabinet Adjust the bumper angle as determined in GeoSoft by lowering or lifting rear motor hoist so that the front height does not change Check all GEO D angles with an inclinometer Once the bumper is in definitive position a secondary safety steel must be fitted this secondary safety steel should link the bumper to a suitable point in the supporting structure...

Страница 45: ...as can be reached without climbing the array This ensures that a cable should not be accidentally forgotten when the system is separated Damage to the connector will occur should this mistake be made Angle adjustment push pins should be removed from the angle setting and inserted in the FIX hole so that Geo D s sit flat on the dolly Lift the dolly manually below the array and connect it to the bot...

Страница 46: ... rigging with GEOD Dolly Storage Tray IMPORTANT GEOD Dolly Storage Tray are designed for 3 or 4 GEO D s bumper or case GEOSUB Dolly Storage Tray is designed for up to 2 GEO SUB s bumper or case Never exceed these quantities FROM PACKAGED TO FLOWN GEO D10 S ...

Страница 47: ...Bag CHBAG 6 x GEOD push pins per flown GEO SUB BLGEOD or 1 x GEOD shoulder bolts and nuts kit for fixed installations per flown GEO D GEOD BNFIX IMPORTANT Each of front rear motor and chain lever hoists must be rated to support the entire cluster weight Please check configurations in Geosoft2 for proper motor and chain lever hoists rating 5 6 1 Bumper Assembly Strong bumper positive tilt only conn...

Страница 48: ... R clips Attach the chain hook of the LEVA750 or LEVA1500 Chain Lever Hoist to the Compression Point see drawing below FRONT RIGGING POINT REAR RIGGING POINT COMPRESSION POINT CONNECTING FRONT REAR MOTORS AND CHAIN LEVEL HOIST 5 6 2 Bumper to first GEO SUB assembly IMPORTANT GEO D10 and GEO SUB can be flown Left or Right Left means Nexo logo on front grid is left as seen from front Right means Nex...

Страница 49: ...n point rear bumper connects at LIFT GEO SUB rigging plates holes Check that all push pins are in their locked position Ensure that no objects have been placed accidentally on the top of the bumper as they may fall when the system is lifted LIFT POINT LIFT POINT LIFT POINT LIFT POINT FIRST GEO SUB TO BUMPER ASSEMBLY LEFT CONFIGURATION RIGHT CONFIGURATION 5 6 3 First to second GEO SUB 4 push pins B...

Страница 50: ...mbly The rigging plates have been designed to locate against each other and so align the holes correctly Connect the upper GEO SUB link bar to the lower GEO SUB rigging plate or lower link bar to upper rigging plate for Right configuration by inserting one 10mm x 20 mm push pin in the SAFETY PIN MUST BE FITTED hole on each side see figure below IMPORTANT The push pins for SAFETY PIN MUST BE FITTED...

Страница 51: ...han the upper cabinet Lower bumper and top GEO SUB assembly carefully until the GEO SUB and GEO D10 side rigging plates locate Use front grid rear vent ports or handle to guide the assembly The rigging plates have been designed to locate against each other and so align the holes correctly Connect the upper GEO SUB link bar to the lower GEO D10 rigging plate or lower link bar to upper rigging plate...

Страница 52: ...te against each other and so align the holes correctly Connect the upper GEO D link bar to the lower GEO D rigging plate or lower link bar to upper rigging plate for Right configuration by inserting one 10mm x 20 mm push pin in the SAFETY PIN MUST BE FITTED hole on each side see figure below IMPORTANT The push pins for SAFETY PIN MUST BE FITTED holes must always be inserted first and stay in posit...

Страница 53: ... of the Bottom Bumper Manually raise the Bottom Bumper and rotate the fingerwheel clockwise until the chain is taught Make a final check that the Chain Lever Hoist is correctly installed Rotate the lever to apply the pull up force to the bottom of the array notice that as the chain gets shorter the cabinets in the array close together to the angles set by the angle adjustments push pins As the cha...

Страница 54: ...is for the top surface of the topmost cabinet Adjust the bumper angle as determined in GeoSoft by lowering or lifting rear motor hoist so that the front height does not change Check all GEO SUB GEO D angles with an inclinometer Once the bumper is in definitive position a secondary safety steel must be fitted this secondary safety steel should link the bumper to a suitable point in the supporting s...

Страница 55: ...n be reached without climbing the array This ensures that a cable should not be accidentally forgotten when the system is separated Damage to the connector will occur should this mistake be made Angle adjustment push pins should be removed from the angle setting and inserted in the FIX hole so that Geo D s sit flat on the dolly Lift the dolly manually below the array and connect it to the bottom G...

Страница 56: ... Extension Bar GEOD EXBAR2 1 x GEOD Front Extension Bar if strong positive tilt is required GEOD EXBAR4 1 x GEO D Bottom Extension Bar GEOD EXBAR3 1 x GEO D Chain Lever Hoist LEVA0750 or LEVA1500 1 x Chain Bag CHBAG 6 x GEOD push pins per flown GEO SUB 2 GEO push pins for bottom GEO SUB BLGEOD or 1 x GEOD shoulder bolts and nuts kit for fixed installations per flown GEO SUB GEOD BNFIX IMPORTANT Ea...

Страница 57: ...on Bar assembly to Front and Rear Rigging Points with the two axes using corresponding holes see drawing below and ensure that these axes are properly locked with supplied R clips Attach the chain hook of the LEVA750 or LEVA1500 Chain Lever Hoist to the Compression Point see drawing below FRONT RIGGING POINT REAR RIGGING POINT COMPRESSION POINT CONNECTING FRONT REAR MOTORS AND CHAIN LEVEL HOIST 5 ...

Страница 58: ... SUB to the bumper assembly using the four 10mm x 20mm push pins front bumper connects at GEO SUB front articulation point rear bumper connects at LIFT GEO SUB rigging plates holes Check that all push pins are in their locked position Ensure that no objects have been placed accidentally on the top of the bumper as they may fall when the system is lifted LIFT POINT LIFT POINT LIFT POINT LIFT POINT ...

Страница 59: ...te against each other and so align the holes correctly Connect the upper GEO SUB link bar to the lower GEO SUB rigging plate or lower link bar to upper rigging plate for Right configuration by inserting one 10mm x 20 mm push pin in the SAFETY PIN MUST BE FITTED hole on each side see figure below IMPORTANT The push pins for SAFETY PIN MUST BE FITTED holes must always be inserted first and stay in p...

Страница 60: ... Repeat the above section steps until all GEO SUB s are in place As the assembly is lifted angles between GEO SUB s cabinets will remain at 0 whatever the linking bar positions NB angle settings are free to be adjusted while the system is clear of the ground provided that rear pull up force is not applied SAFETY PIN MUST BE FITTED HOLE ...

Страница 61: ...hole see drawings below Connect the Bottom Extension Bar EX3 to the Main Bumper through the Link Points with the two axes using corresponding holes see drawing below and ensure that these axes are properly locked with supplied R clips Check the array according to the Checklist procedure described later in this manual Attach the main hook of the Chain Lever Hoist to the rear of the Bottom Extension...

Страница 62: ... you feel it resisting strongly to rotation you might damage GEO D flying system by doing so IMPORTANT DO NOT attempt to make any changes to the angle adjustements when the compression pull up force is applied 5 7 6 Positioning the cluster Lift the GEO SUB array to the height determined in GeoSoft GeoSoft array height definition is for the top surface of the topmost cabinet Adjust the bumper angle...

Страница 63: ...should be removed from the angle setting and inserted in the FIX hole so that Geo SUB s sit flat on the dolly Lift the dolly manually below the array and connect it to the bottom GEO SUB with 4 push pins Carefully lower the array so that the dolly being on the ground is not being submitted to the entire cluster weight Disconnect the first block of 2 GEO SUB s at the connection between 3rd and 4th ...

Страница 64: ... GEO SUB cabinets Of primary concern are a The grid screws attaching the grid to the cabinet b The machine screws attaching the rigging system 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 soa...

Страница 65: ...e filters are optimised 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 acoustical...

Страница 66: ...rol 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 w...

Страница 67: ... SUB system This feature is only achievable with a total control of the DSP chain Although the basic concept as presented in audio text books is relatively simple producing a cardioid pattern from a loudspeaker without a major loss of efficiency requires advanced DSP processing Other loudspeaker management DSP devices do not provide the algorithms that the NX242 uses to optimise the cardioid opera...

Страница 68: ...ed when GEO SUB s are stacked and GEO D flown and distance between them exceeds 2 meters 6 feet GEO SUB GEO D OVERLAP GEO SUB is low passed at 300 Hz and GEOD is high passed at 75 Hz Therefore they overlap from 75 Hz to 300 Hz This setup family requires proper phase alignment between systems up to 300 Hz and is therefore is recommended when GEO SUB s and GEO D are flown together or when distance b...

Страница 69: ...d have the same delay settings A Tangent Array is very sensitive to delay differences between sections of the array in the same line You could experience coverage problems if all delays applied to a Tangent Array are not equal Please refer to the chapter in the NX242 User Manual on setting delay for proper time alignment between GEO D s and GEO SUB s 6 4 6 Reversed Cardioid Pattern Polarity checks...

Страница 70: ...ww nexo sa com Please check our website periodically for upgrades Never install a GEO D GEO SUB 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 7 2 Stacked GEO SUB s and Flown GEO D s Recommended NX242 GEOD setup family X OVER In the example below r1 being t...

Страница 71: ...int By doing so drivers are working perfectly together and providing the best efficiency possible It is then up to the user to adjust the delay on the NX242 to match the physical path difference of the different systems It is thus possible to get a well adjusted system even without measuring instruments If GEO SUB s are driven form an AUX output NX242 is fed with two signals coming from different ...

Страница 72: ... and parallel with the axis of the topmost cabinet Spirit level used to ascertain the trueness of the surface from which the angle measurements originate Rangefinder measuring device either a Disto type laser measure or an optical laser rangefinder can be used Devices such as the Bushnell Yardage Pro sports rangefinders provide sufficiently accuracy and are easy to use They have the additional adv...

Страница 73: ...nded amplifier gain and power should be set in agreement with selected amplifiers specifications 2 Local gain and delay values are inter locked channel 1 2 and 3 4 3 Should be in agreement with implemented cluster acts on a shelving filter designed to compensate for LF coupling 6 GEOD is 0dB gain on shelving filter less than 6 is positive gain more than 6 is negative gain 4 Disabled when using dig...

Страница 74: ... of each module Raise the bumper attach the next serie of modules and repeat the above checks Make sure that these serie of modules sum properly with the modules above them When all the modules are flown check that the aiming angles are the same left and right Make sure that multiple GEO D s and GEO SUB s are summing properly 6 dB gain per doubling of quantity 8 5 Final Pre Sound Check Check Play ...

Страница 75: ...ts into 4 Ohms 4 GEO D10 in parallel HF 1000 to 1800 Watts into 4 Ohms MF LF front 2000 to 3600 Watts into 4 Ohms LF rear section 2000 to 3600 Watts into 4 Ohms 6 GEO D10 in parallel HF 1650 to 3000 Watts into 2 Ohms MF LF front 3300 to 6000 Watts Watts into 2 Ohms LF rear section 3300 to 6000 Watts Watts into 2 Ohms SYSTEM OPERATION Electronic controller The NX242 Digital TDcontroller with NX Ten...

Страница 76: ... Hz 20 50 100 200 500 1k 2k 5k 10k 20k dB Level Sound pressure 0 5 10 15 20 25 5 10 15 FC 1x Geo D10Overlap 1 3oct smoot hing valuesscaled FC 1x GeoD10 Crossover 1 3oct smoothing valuesscaled Frequency Hz 20 50 100 200 500 1k 2k 5k 10k 20k ohm Amplitude log Impedance 5 10 20 50 100 FC GeoD10impedance front speakers FC Geo D10impedanceback speakers ...

Страница 77: ... Amplifiers 2 amplifier channels are required for directional operation each rated at 1000 to 2000 Watts into 8 Ohm per channel SYSTEM OPERATION Electronic Controller The NX242 Digital TDcontroller presets are precisely matched to the GEO SUB and include sophisticated protection systems Using the CD18 subbass without a properly connected NX242 Digital TDcontroller will result in poor sound quality...

Страница 78: ... Frequency Hz 20 50 100 200 500 1k 2k 5k 10k 20k dB Level Sound pressure 0 5 10 15 20 25 30 5 10 F GeoSUB Crossover 1 3oct log smoot hing valuesscaled F GeoSUB Overlap 1 3oct logsmoot hing valuesscaled Frequency Hz 20 50 100 200 500 1k 2k 5k 10k 20k ohm Amplitude log Impedance 5 10 20 50 100 FC GeoSUB front impedance FC Geo SUB rear Impedance ...

Страница 79: ...S Page 79 93 9 3 GEO D GEO SUB Rigging system 9 3 1 GEO D GEO SUB Bumper 27 1 2 702 mm 28 715 mm 10 254 mm WEIGHT 45 KG 99 2 LBS 9 3 2 GEO D Short Extension Bar EX1 2 1 2 65 mm 3 1 2 95 mm 18 1 2 472 mm WEIGHT 5 3 KG 11 7 LBS ...

Страница 80: ... 1 0 0 0 m m 1 0 0 0 m m 51 mm 25 5 mm 95 mm 9 3 3 9 3 4 GEO D ORP Compression Wheel for EX1 Only WEIGHT 0 250KG 0 55 LBS 9 3 5 GEO BRIDLE WEIGHT 3 KG 6 6 LBS 9 3 6 GEO D Long Extension Bar EX2 2 1 2 65 mm 3 1 2 95 mm 41 1 2 1052 mm WEIGHT 13 1 KG 28 9 LBS ...

Страница 81: ...Extension Bar EX3 2 1 2 65 mm 3 1 2 95 mm 48 1225 mm WEIGHT 16 1 KG 35 5 LBS 9 3 8 GEO D Front Extension Bar EX4 14 1 2 367mm 2 1 2 65 mm 8 1 2 216 mm WEIGHT 6 9 KG 15 2 LBS 9 3 9 GEO D Bottom Bumper 28 1 2 722 mm 11 278 mm 2 1 2 69 mm WEIGHT 10 4 KG 22 9 LBS ...

Страница 82: ...0 GEO D Chain Lever Hoists MAX LOAD 750 KG 1650 LBS MAX LOAD 1500 KG 3300 LBS WEIGHT 10 3 KG 22 7 LBS WEIGHT 23 7 KG 52 2 LBS CHAIN LENGTH 6 M 16 7 FT CHAIN LENGTH 9M 29 5 FT 9 3 11 GEO D GEO SUB Push Pins WEIGHT 0 046 KG 0 10 LBS 10 mm 20 mm ...

Страница 83: ...th 48 bit 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 Pa...

Страница 84: ...Q 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 DISP...

Страница 85: ...de 1 2 REAR LF 3 4 FRONT LF MF 5 6 Not Connected HF LF MF FRONT LF REAR IN RIGHT IN LEFT TO AMPLIFIERS FROM AMPLIFIERS LF REAR HF LF MF FRONT 4 3 STEREO PASSIVE MODE HF LF MF FRONT LF REAR LF REAR HF LF MF FRONT 2 1 AMPLIFIER 1 AMPLIFIER 2 STEREO STEREO EP6 F EP6 F AMPLIFIER 1 AMPLIFIER 2 STEREO STEREO EP6 F EP6 F ...

Страница 86: ...plifiers and NX242 Mono active mode FRONT HF LF MF REAR LF 1 2 REAR LF 3 4 FRONT LF MF 5 6 HF EP6 F N C HF LF MF FRONT LF REAR N C IN TO AMPLIFIERS STEREO FROM AMPLIFIERS LF REAR LF MF FRONT HF 3 2 1 STEREO LINK STEREO EP6 F FRONT HF LF MF MONO ACTIVE MODE ...

Страница 87: ...IER 1 AMPLIFIER 2 1 2 REAR LF 3 4 FRONT LF MF 5 6 Not Connected EP6 F HF LF MF FRONT LF REAR AUX SUB IN GEO D IN TO AMPLIFIERS STEREO FROM AMPLIFIERS LF REAR HF LF MF FRONT 4 3 STEREO MONO PASSIVE MODE WITH GEO SUB SUB FRONT SUB REAR AMPLIFIER 3 STEREO Speakon 4 EP6 F SUB REAR SUB FRONT 2 1 1 1 REAR 2 2 FRONT ...

Страница 88: ...Cardiod Sub Bass Module ANX 242 Digital TDcontroller for PS Alpha and Geo series NX ES4 Ethersound Network DSP Card for NX242 11 2 Accessories List MODEL DRAWING DESCRIPTION GEOD BUMPER Main Geo D Bumper GEOD BTBUMPER Geo D Bottom Bumper GEOD EXBAR 1 Geo D Extension Bar for GEO D10 Cluster GEOD ORP GEOD EX1 Wheel for One Rigging Point Mode GEO BRIDLE Two Legs Bridle for One Rigging Point Mode One ...

Страница 89: ...nt Extension Bar for GEO D10 GEO SUB Clusters LEVA1500 Chain Lever Hoist 1 5 tonne 9 meters chain length LEVA750 Chain Lever Hoist 0 750 tonne 6 meters chain length CHBAG Chain Bag GEOD BKM GEO D10 Dolly Storage Tray BLGEOD GEO D 10mm x 20mm Quick Release Pin GEOD BNFIX 6 x Kit for fixed installations per flown GEO D GEOD BUDP x 4 GEO D Stands for Stacked GEO D Bumper GEOD DOLLY 3 x GEO D10 1 x GE...

Страница 90: ...Page 90 93 GEO D SERIES PARTS ACCESSORIES LIST GEOSUB DOLLY 2 x GEOSUB 1 x GEOD BUMPER Dolly ...

Страница 91: ...D DCOVER4 Nylon Cover for 4 GEO D10 1 GeoD BKM or 1GEOD BUMPER 1 GEOD DOLLY GEOSUB DCOVER Nylon Cover for 2 GEO SUB 1 GeoD BKM or 1GEOD BUMPER 1 GEOSUB DOLLY GEOD RAINCOBP Rain Cover for GEOD BUMPER GEOD RAINCO Rain Cover for up to 4 GEOD BLT RAP T RAP for BLGEOD GEOT CABLE 1m Cable For Geo D10 GEOT 613F EP6 Female Connector GEOT 612M AP6 Male Connector ...

Страница 92: ...Page 92 93 USER NOTES 12 USER NOTES ...

Страница 93: ...USER NOTES Page 93 93 France Nexo S A 154 allée des Erables ZAC des PARIS NORD II B P 50107 F 95950 Roissy CDG Cedex Tel 33 1 48 63 19 14 Fax 33 1 48 63 24 61 E mail info nexo fr www nexo sa com ...

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