User Manual - EM Acoustics
Contents
1. WARRANTY Limited Warranty This EM Acoustics loudspeaker product is warranted to the original end user purchaser and all subsequent owners for a period of three years from the original date of purchase Warranty Coverage This warranty covers defects in materials and workmanship It does not include e Damage or failure caused by accident misuse neglect abuse or modification by any person other than an authorised EM Acoustics representative e Damage or failure caused by operating the loudspeaker product contrary to the instructions contained within this manual e Damage caused during shipment e Claims based on any misrepresentation by the seller e Products which contain anything other than the original components or EM Acoustics factory supplied spare parts e Products on which the serial number has been removed altered or defaced Returning your EM Acoustics loudspeaker Should your EM Acoustics loudspeaker develop a fault please return it freight prepaid in its original packaging along with proof of purchase to your local dealer or to EM Acoustics Returns Department Building 74 Dunsfold Park Cranleigh Surrey GU6 8TB UK including a description of the suspected fault Serial numbers must be quoted in all correspondence relating to the claim EM Acoustics or its representatives are in no way liable for any loss or damage in transit and hence it is recommended that the sender insure the shipment EM Acousti2. operation For demanding applications a 65Hz 24dB octave high pass filter is recommended to increase drive unit headroom however this is not essential for normal operation please see page 7 for further information The EMS 122 122w is supplied as standard in black or white and is fitted with two Neutrik SpeakON NL4MPR connectors Custom colours weather protection and specific connectors can also be supplied if required please contact your local EM Acoustics representative for more details To rotate the HF waveguide 1 Remove the front grille as described in the Maintenance section on Page 10 of this manual 2 Using a 4mm Allen key remove the eight countersunk bolts retaining the HF waveguide in place 3 Lift the waveguide up and rotate to the desired position the label on the waveguide shows the dispersion orientation 4 Reinstate the socket head bolts and retighten Avoid over tightening as this may crack the waveguide 5 Reinstate the grille as described in the Maintenance section on Page 11 4 EMS 122 122w User Manual www emacoustics co uk IR SYSTEM SET UP Safety Considerations Loudspeaker systems are potentially dangerous objects if used incorrectly Please ensure that you read this section fully and contact EM Acoustics or your local dealer should you be in any doubt over correct operation procedures Professional loudspeaker systems are capable of producing damage inducing sound pressure leve
3. the enclosure The arrow in the coffin plate points forwards Ensure that both the flat and locking washers are used the flat washer should be in contact with the cradle Tighten the bolts to ensure a solid fit Once the desired angle of the loudspeaker is set tighten the knobs on the cradle to lock the position in place The bracket allows for complete rotation of the loudspeaker if required The points on the top of the flying cradle can be used for permanent installations or to secure a hook clamp Ensure that an M8 eyebolt is secured to the rear point on the EMS 122 enclosure to use as a secondary safety Attachment of the FC 122h horizontal flying cradle Using the supplied M10 socket head bolts align the mounting holes in the end mounts of the yoke with the mounting points on the top and the bottom of the enclosure Ensure that both the flat and locking washers are used the flat washer should be in contact with the cradle Tighten the bolts to ensure a solid fit Once the desired angle of the loudspeaker is set tighten the knobs on the cradle to lock the position in place The bracket allows for complete rotation of the loudspeaker if required The points on the top of the flying cradle can be used for permanent installations or to secure a hook clamp Ensure that an M8 eyebolt is secured to the rear point on the EMS 122 enclosure to use as a secondary safety 9 IR www emacoustics co uk EMS 122 122w U
4. the plate Once the desired angles of the loudspeakers are set tighten the bolts to lock in place Then turn the cluster over and repeat the process on the bottom Use the rear points on the EMS 122 enclosures or the M10 holes on the DFB plates to use as a secondary Safety t or Powerdrive Installation Brackets Attachment of Omnimoun It is strongly suggested that you position your loudspeakers then mark amp drill the holes in the mounting walls before you attach the bracket to the loudspeaker as It is much easier to check positioning and fit of the holes without the weight of the loudspeaker The EMS 122 122w is designed to work with OmniMount Series 60 or PowerDrive Series 100 products Lie the enclosure on its front and remove the four M8 countersunk points on the rear of the enclosure Position the loudspeaker side of the bracket as required reinstate the bolts and retighten The bracket and EMS 122 can now be mounted using the holes you have pre drilled 10 EMS 122 122w User Manual www emacoustics co uk ZS MAINTENANCE Your EM Acoustics loudspeakers have been rigorously tested before they leave our factory to ensure that they give you a lifetime of flawless operation Should any of your drive units fail and need replacing please follow the guidelines below EMS 122 122w Low Frequency Drive Unit 1 Using a 3mm Allen key undo the four M4 machine screws top amp bottom of the enclosure 2 each e
5. DEM NZ ete EMS 122 122w Fullrange Passive Loudspeakers User Manual v1 0 EM Acoustics Loudspeakers Building 74 Dunsfold Park Cranleigh Surrey GU6 8TB UK Phone 44 0 1483 266520 Fax 44 0 1483 275619 www emacoustics co uk Copyright EM Acoustics 2012 1 EMS 122 122w User Manual www emacoustics co uk CONTENTS Introduction TR NN 3 MAIN 3 DENN NN NN 3 Product Overview EMS 122 passive two way enclosure sx x e e eee 4 EMS 122w wide dispersion passive two way enclosure sss eee eee eee 4 System Set up Se EN AG 01159 1 EEE ee ne ee eer eee ee ee 5 Cabling amp Amplifier selection se eee eee ee eee D Protective PP LTH 7 Mounting amp Rigging Options Rigging Hardware amp Accessories i e ness eee eee ee 8 R RUT UR aO aea E 8 RYNG HardWare ee eee eee ee eee 9 Omnimount Powerdrive Installation hardware USC unrannnnnnnnnnnnnnnnnennennnnenennenennenennenennenennenennenennnnennn 10 Maintenance EMS 122 Drive Unit SEV sansene S a REE a arai 11 116 EE NE EN EN 12 Appendix A Technical Specifications sese eee eee 13 2 EMS 122 122w User Manual www emacoustics co uk IR INTRODUCTION Thank you Thank you for purchasing a product from the acclaimed EMS Series from EM Acoustics The EMS Series products have been carefully designed and rigorously tested to ensure years of flawless operation and unprecedented sonic quality Flexibility is the key factor with EMS products and co
6. cs will pay for return freight should the repair be covered under warranty EM Acoustics liability is to the replacement or repair at our discretion of any defective components and as such are not liable for any incidental and consequential damages including without limitation injury to persons damage to property or loss of use This warranty is exclusive and no other warranty is expressed or implied This warranty Is also in addition to and in no way detracts from your statutory rights as a consumer 12 EMS 122 122w User Manual www emacoustics co uk ZS APPENDIX A TECHNICAL SPECIFICATIONS EM Acoustics operates a continuous process of research and development and as such reserves the right to alter specifications without notice EMS 122 EMS 122w ENCLOSURE TYPE DIMENSIONS HxWxD NET SHIPPING WEIGHT FREQUENCY RESPONSE SENSITIVITY DISPERSION DRIVE UNITS POWER HANDLING MAXIMUM SPL NOMINAL IMPEDANCE CROSSOVER CONNECTORS ENCLOSURE RIGGING amp HARDWARE GRILLE OPTIONS ACCESSORIES SPARE PARTS two way passive reflex loaded 622 24 5 x 380 15 x 364 14 3 mm ins 27 29kg 59 4 63 8Ibs 70Hz 20kHz 3dB 99dB 60 x 40 EMS 122 or 90 x 60 EMS 122w rotatable 12 305mm neodymium LF cone drive unit 1 4 36mm exit neodymium HF compression drive unit 500W RMS 1000W program 128dB continuous 134dB peak 8 ohms asymmetric internal passi
7. he building using chain steel wire or web straps that are certified and load rated for the loudspeaker system Consideration must be taken when determining the loading on the structure to include loudspeakers and rigging hardware and the appropriate safety factor can then be decided upon If you are in any doubt whatsoever please contact your EM Acoustics dealer who will be able to refer you to an experienced rigging company A reputable rigging organisation should also be able to advise on legislation regarding safety factors for suspended systems of this type Safety Considerations When utilising any suspension method a secondary safety must be used For any suspension method fit an M8 eyebolt to any of the rigging points A safety steel can then be attached to this and connected to your safety point If you are in any doubt whatsoever about how to safely suspend your loudspeakers do not hesitate to contact your EM Acoustics representative who will be able to refer you to a qualified rigging company for advice 8 EMS 122 122w User Manual www emacoustics co uk ZS Attachment of the FC 122v vertical flying cradle Attach the coffin plate to the inner yoke using the supplier M8 countersunk bolts flat washers and Nyloc nuts Ensure the washers are placed between the yoke and the locking nut Using the supplied M10 socket head bolts align the mounting holes in the coffin plate with the mounting points on the top or the bottom of
8. lied with this product is recyclable Please retain all packaging however if disposing of this packaging please ensure me that you comply with local recycling regulations These products also all comply to the RoHS Directive 2002 95 EC 3 EMS 122 122w User Manual www emacoustics co uk EM ACOUSTICS PRODUCT OVERVIEW EMS 122 EMS 122w fullrange passive loudspeakers The EMS 122 is a compact versatile passive loudspeaker product designed for a wide variety of compact and discreet sound reinforcement applications It features a high power 12 305mm neodymium LF drive unit in a reflex enclosure and a 4 diaphragm 1 4 36mm exit neodymium high frequency compression drive unit coupled to a 60 x 40 rotatable waveguide These components are matched by an internal passive crossover network for unprecedented sonic quality from a completely passive enclosure The EMS 122w is identical in every respect excluding that the rotatable waveguide has a 90 x 60 coverage pattern Sonic performance and character is incredibly consistent between the two models allowing easy mixing of the different products within a system Due to its discreet size and appearance the EMS 122 122w can be used in a wide variety of applications ranging from corporate and theatre use to medium scale front of house and floor monitoring duty As with all EM Acoustics full range products no active controller or programmed EQ is required for correct
9. ls and hence care should be taken when setting your system up particularly when it comes to loudspeaker placement within a venue Damage to the ear can result from levels above 90dB under prolonged exposure Stand Mounting The EMS 122 and EMS 122w can be mounted from a loudspeaker stand using the integral polemount adapter for a standard 35mm loudspeaker stand When mounting in this way please consider the following e Ensure your stand height is locked off and the tripod legs are positioned so as to be stable e Check the weight loading of your stands before attempting to mount the loudspeaker e Do not stack a second loudspeaker on top of the stand mounted one e Ensure cables are run so as to leave enough slack to enable neat wiring and thus reduce the risk of the speaker being pulled over Loose cables should be covered or taped down wherever possible to reduce trip hazards e If stands are being used outdoors it may be necessary to add ballast to the base of the stand to prevent it toppling over e When using poles on top of subwoofer systems please observe similar precautions Ground Stacking e Ensure that the floor or stage surface can withstand the weight of the system e Wherever possible avoid high stacks and use ratchet straps to secure loudspeakers together Please also remember that vibrations from subwoofer systems can shake other loudspeakers out of place which may present a toppling hazard The use of ratchet stra
10. nd Gently remove the grille from the front of the enclosure 2 Using a 5mm Allen key remove the eight M6 socket head bolts holding the drive unit in place and keep them Safe ensuring you have collected both the shake proof and flat washers for each bolt Gently lift the drive unit out of its locating hole please take care as it is heavy Carefully disconnect the cables from the drive unit 3 To reinstate the driver simply reverse the above procedure Please observe the correct polarity red cable to positive terminal black cable to negative 4 Reinstate the grille by gently placing it in place over the front of the loudspeaker Replace the four M4 machine screws to secure it in place EMS 122 122w High Frequency Drive Unit 1 Follow the procedure above to remove the front grille 2 Using a 4mm Allen key remove the eight M6 countersunk socket head bolts holding the waveguide in place Gently disconnect the cables from the drive unit and remove the unit from the enclosure 3 To reinstate the drive unit gently reconnect the cables white cable to positive terminal yellow cable to negative and insert back into position Note the waveguide orientation for correct dispersion Replace the four bolts and gently tighten 4 Reinstate the grille by gently placing it in place over the front of the loudspeaker Replace the four M4 machine screws to secure it in place 11 EMS 122 122w User Manual www emacoustics co uk IR
11. nsequently they are at home within a wide variety of applications from live and portable applications through to cafes bars nightclubs theatres and conference centres Please ensure that you read this manual carefully before use and that you keep it to hand should you need it for further reference Furthermore should you have any difficulties please do not hesitate in contacting your EM Acoustics dealer or email info emacoustics co uk for further assistance Unpacking Every EM Acoustics product is built to the highest standard and thoroughly tested before it leaves our factory After unpacking your loudspeaker please inspect it carefully for any signs of transit damage If such damage is found please notify the carrier at once to instigate a claim It is suggested that you retain all packaging for future re shipment DECLARATION OF CONFORMITY The products contained within this manual conform to the requirements of the EMC Directive 89 336 EEC amended by 92 31 EEC and to the requirements of the Low Voltage Directive 73 23 EEC amended by 93 68 EEC Standards Applied EMC Emission EN55103 1 1996 Immunity EN55103 2 1996 Electrical Safety EN60065 1993 RECYCLING This product and its packaging constitute the applicable product according to the WEEE directive Please ensure that at the end of the working life of this product it is disposed of sensibly in accordance with local and national recycling regulations The packaging supp
12. ort and advice 7 EMS 122 122w User Manual www emacoustics co uk IR MOUNTING amp RIGGING OPTIONS Rigging Hardware amp Accessories The EMS 122 has six options for mounting and suspension both for temporary use and permanent fixed installation The EMS 122 contains four M10 threaded fixing points and a single M8 point around the enclosure to enable suspension using forged shoulder eyebolts minimum thread length 20mm or the optional flying hardware These fixings allow suspension in any orientation with the extra point on the rear of the enclosure available for pull back to obtain the desired rigging angle or as a secondary safety point The EMS 122 also has four M8 threaded fixings on the rear for use with Omnimount Series 60 or Powerdrive Series 100 installation mounting hardware With any suspension method a second anchor point should be used as a safety Under no circumstances should the mounting points of one enclosure be used to suspend another enclosure below it EM Acoustics are in no way responsible for the failure of incorrectly rigged systems This information relates specifically to the rigging techniques for the EMS 122 EMS 122w enclosure only If you are in any doubt about safe practices for rigging loudspeakers please contact your local EM Acoustics dealer who will be able to advise you Permanent Installations Any installation permanent or temporary must be securely attached to the structure of t
13. ps and non slip material is recommended to prevent this Rigging and Suspension There are a variety of different methods for suspending your EMS 122 enclosures please see the detailed section on Page 8 for further information WARNING The overhead suspension of loudspeakers is a very serious issue with potentially lethal consequences should anything go wrong Rigging should only be carried out by experienced 5 EMS 122 122w User Manual www emacoustics co uk IR personnel following safe working practice Should you be in any doubt whatsoever please contact your local dealer who will be able to refer you to a suitable rigging company Cabling and Amplifier Selection The EMS 122 and EMS 122w are designed to be used with professional power amplifiers providing the following power outputs EMS 122 EMS 122w 1000W channel into eight ohms A small power amplifier working too hard is more likely to damage a loudspeaker than a large power amplifier working within its operating range It is good practice to use an amplifier equal to the program power rating of the loudspeaker so as to retain sufficient headroom and good dynamic range Care should be taken during operation to avoid amplifier clipping as this can cause serious damage to your loudspeakers If in doubt please contact your dealer who will be happy to assist you in correct amplifier choice and setup Cabling The EMS 122 is supplied as standard with Neu
14. ser Manual Attachment of the VFA 122 variable flying bracket Using the supplied M10 hex head bolts align the mounting holes in the VFA bracket with the mounting points on the top or the bottom of the enclosure Ensure that both the flat and locking washers are used the flat washer should be in contact with the cradle Tighten the bolts to ensure a solid fit Finally attach a hook clamp to the mounting point and secure the mounting point bolt through the main section of the VFA 122 bracket The VFA 122 bracket works on the centre of gravity of the EMS 122 The lone hole in the centre of the VFA bracket will mean the EMS 122 enclosure will hang level Moving the pickup point to the rear of the enclosure will add down tilt and moving to the front of the enclosure will apply up tilt Each notch represents 5 degrees of angle so by taking the weight of the loudspeaker the angle can easily be changed The VFA 122 will provide 25 degrees of angle in each direction For larger down tilt angles position the pivot on the last hole and use the point on the rear or underside as a pull back Ensure that an M8 eyebolt is secured to the rear point on the EMS 122 enclosure to use as a secondary safety Assembly of clusters using the DFB 122 flyplate set Using the supplied M10 socket head bolts bolt through the DFB 122 plate into the enclosures Ensure that both the flat and spring washers are used the flat washer should be in contact with
15. trik SpeakON NL4 connectors wired pin 1 1 It is recommended that the resistance of your cable is less than one tenth of the nominal system impedance Given below are the recommended maximum cable lengths for different cross sections and impedances Conductor Cross Sectional Area Maximum Recommended Cable Length 4 ohms 8 ohms 16 ohms 1 0mm 11m 22m 44m 1 5mm 17m 34m 68m 2 0mm 22m 44m 88m 2 5mm 29m 58m 116m 4 0mm 44m 88m 176m 6 0mm 66m 132m 264m Pins 2 2 on the SpeakON connectors are wired together to allow link through with 4 core cables 6 EMS 122 122w User Manual www emacoustics co uk IR Protective DSP Settings The EMS 122 and EMS 122w require no DSP program to function correctly However excessive low frequency information will cause the LF drive unit s excursion to increase which can result in damage to your loudspeaker The higher you raise the high pass filter on an EMS 122 the more headroom and overall sound pressure level output there is available For most medium to high level applications we would recommend a minimum of an 65Hz high pass filter with a 24dB octave slope to sufficiently protect the loudspeaker For higher SPL applications we would recommend raising this filter we would stress that the higher the filter the safer the loudspeaker will be If you are in any doubt over suitable settings for your EMS 122 please don t hesitate to contact EM Acoustics or your local dealer for supp
16. ve 2 x Neutrik SpeakoN NL4MPR 15mm 5 8 multi laminate Birch plywood rebated screwed amp glued Finished in impact resistant textured paint 4 x M10 threaded mounting points 2 top 2 bottom 1 x M8 threaded mounting point on rear 4 x M8 threaded points for OmniMount Series 60 Powerdrive Series 100 brackets 1 x flush bar handle on rear 1 x 35mm polemount socket hex punched steel backed with acoustically transparent foam Colours Weather Protection FC 122v vertical flying cradle VFA 122 variable angle flying bracket FC 122h horizontal flying cradle DFB 122 dual enclosure flying plate set DU 1208 12 drive unit CDU 1402 1 4 exit HF compression drive unit RK 1208 recone kit RD 2001 replacement HF diaphragm PX 122 passive crossover assembly EMS 122 PX 122w passive crossover assembly EMS 122w RFG 122 replacement grille foam Notes on measurement conditions Measured on axis at 2m in an anechoic environment and referenced to im Measured in half space at 2m with 4W sine wave input and referenced to im 3Nominal dispersion measured in an anechoic environment and averaged over stated bandwidth Calculated and verified by subjective listening test of familiar program material IR 13 EMS 122 122w User Manual www emacoustics co uk
Download Pdf Manuals
Related Search