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EM Acoustics EMS-122, User Manual

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EMS-122/122w User Manual 

www.emacoustics.co.uk 

CONTENTS 

 
Introduction  

 

Thank you ...……………………………………………………………………………………………………………………………. 3 

 

Unpacking ……………………………………………………………………………………..……………………………………….. 3 

 

Declaration of Conformity …………………….…………………………………………………………………………………… 3 

 
Product Overview 

 

EMS-122 passive two-way enclosure ..............…………………………………………………………………….……… 4 

 

EMS-122w wide dispersion passive two-way enclosure ..……………………………………………………….……… 4 

 

 

System Set-up 

 

Safety Considerations………………………………………………………………………………………………………………… 5 

 

Cabling & Amplifier selection ……………………………………………………………………………………………………… 6 

 

Protective DSP Settings ................................................................................................................. 7 

 

Mounting & Rigging Options 

 

Rigging Hardware & Accessories ………………………………………………………………………………………………… 8 

Permanent Installations …………………………………………………………………………………………………………….. 8 

 

Flying hardware Use........……………………………….…………………………………………………………………………. 9 

 

Omnimount/Powerdrive Installation hardware use .......................................................................... 10 

 

Maintenance 
 

EMS-122 Drive Unit Service ……………………………………………………………………………………………………….11 

 

 

Warranty ……………………………………………………………………………………………………………………………………………. 12 

 

Appendix A – Technical Specifications …………………………………………………………………………………………………… 13 

Summary of Contents for EMS-122

Page 1: ...eakers 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 ...

Page 2: ... wide dispersion passive two way enclosure 4 System Set up Safety Considerations 5 Cabling Amplifier selection 6 Protective DSP Settings 7 Mounting Rigging Options Rigging Hardware Accessories 8 Permanent Installations 8 Flying hardware Use 9 Omnimount Powerdrive Installation hardware use 10 Maintenance EMS 122 Drive Unit Service 11 Warranty 12 Appendix A Technical Specifications 13 ...

Page 3: ...fore 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 amen...

Page 4: ...e 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 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 E...

Page 5: ...nd loudspeaker on top of the stand mounted one 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 If stands are being used outdoors it may be necessary to add ballast to the base of the stand to prevent it toppling over When using pole...

Page 6: ...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 Neutrik SpeakONTM 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...

Page 7: ...22 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 ...

Page 8: ...MS 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 the building using chain steel wire or web straps that are certified and load rated for the loudspeaker system C...

Page 9: ... 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 poin...

Page 10: ...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 the plate Once the desired angles of the louds...

Page 11: ...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...

Page 12: ...urning 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 t...

Page 13: ...GING HARDWARE 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 GRILLE hex punched steel backed with acoustically transparent foam OPTIONS Colours Weather Protection ACCESSORIES FC 122v vertical flying cradle VFA 122 variable angl...

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