Related Manuals for EM Acoustics EMS-51
Summary of Contents for EM Acoustics EMS-51
- Page 2 EMS-51 ultra-compact two-way passive fill loudspeaker Product User Manual v2 November 2019 L O U D S P E A K E R S D E F I N E D...
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Page 3: Table Of Contents
Safety Inspections ........................... 10 Material Damage from Magnetism ....................10 5.0 – Rigging & Mounting Options ......................11 5.1 – EMS-51 Cabinet Overview ......................11 5.2 – Using the YK-51h or YK-51v ..................... 12 5.5 – Using thread adapters ........................12 6.0 –... - Page 4 7.0 – Servicing Information ........................18 7.1 – EMS-51: Removing the grille ....................18 7.2 – EMS-51: Removing the LF drive unit ..................19 7.3 – EMS-51: Removing the HF drive unit ..................20 Appendix A – Technical Specifications ....................21 EMS-51 ultra-compact passive loudspeaker ..................
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Page 5: Declaration Of Conformity
The packaging supplied with this product is recyclable. Please retain all packaging, however if disposing of this packaging please ensure that you comply with local recycling regulations. These products also all comply to the RoHS Directive 2002/95/EC. EMS-51 User Manual v2 November 2019... -
Page 6: Introduction
EM Acoustics representative. The EMS-51 is an extremely compact 2-way loudspeaker, intended for a wide variety of discreet applications – from theatrical fills and delays right through to theme park attractions. -
Page 7: Ems-61 & Accessories
NET/SHIPPING WEIGHT: YK-51h Horizontal mounting yoke The YK-51h is a simple and effective means of mounting the EMS-51 in both temporary and permanent applications and is included with the EMS-51 loudspeaker. It is secured to the cabinet by means of M8 threaded locking knobs into the top and bottom of the loudspeaker to mount it in a landscape format. -
Page 8: Simulation
Tutorials for Ease Focus 3 are available from with the application itself. For training on the design and implementation of EMS-51 loudspeakers including the specific use of Ease Focus 3, please contact your local distributor. -
Page 9: Safety Considerations
General Considerations in use 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. Personal Injury Never stand in the immediate vicinity of loudspeakers when in use at high level. -
Page 10: Ground Stacking
EM Acoustics is in no way liable for any loss, damage or injury caused by such practice. Do not modify or alter the EMS-51 loudspeaker or accessories, nor use them in any way other than that described in this manual. Rigging components supplied with the EMS-51 are in no way interchangeable and should not be used as such. -
Page 11: Secondary Safeties
In most cases, annual independent tests & inspections carried out by a suitably approved and qualified inspector will be required. EM Acoustics recommends detailed logbooks be kept of all inspections and load tests to ensure an accurate record is kept of the testing for each EM Acoustics rigging accessory. -
Page 12: Rigging & Mounting Options
Page 11 of 24 5.0 – Rigging & Mounting Options 5.1 – EMS-51 Cabinet Overview Top/Bottom M8 mounting point Left/Right M8 mounting point EMS-51 User Manual v2 November 2019... -
Page 13: Using The Yk-51H Or Yk-51V
Always ensure that a secondary safety is used when suspending any loudspeaker. 5.5 – Using thread adapters Various thread adapters are available to convert the M8 thread on an EMS-51 to a 3/8” UNC thread to fit standard microphone stands. The threaded point has a depth of 15mm, and is a standard M8 thread. -
Page 14: Powering The System
Page 13 of 24 6.0 – Powering the System The EMS-51 can be powered from any amplifier & DSP combinations with the relevant high & low pass filter, and limiter settings. However, due to the self-contained nature of the package, the use of DQ Series advanced system amplifiers is highly recommended. The... -
Page 15: Amplifier Requirements
All of the DQ Series advanced system amplifiers can be used to power the EMS-51. The following table shows the maximum number of EMS-51 that can be connected per... -
Page 16: Presets And Settings
The EMS-51 is designed with a significant amount of system headroom, so applying EQ is perfectly acceptable within sensible limits. -
Page 17: Use With The Dq Series Advanced System Amplifiers
Page 16 of 24 6.3 - Use with the DQ Series Advanced System Amplifiers The EMS-51 will perform best when using DQ Series advanced system amplifiers, as not only are they state-of-the-art amplifiers, but the onboard DSP provides appropriate high/low pass filter settings and limiters to get the best from your subwoofers. -
Page 18: System Connectivity
Because pins 2+/2- are linked through inside all EM Acoustics loudspeakers, using a 4-core cable to one loudspeaker (carrying two different signals) allows a crossover cable to be used to link out of the first loudspeaker into another, thereby feeding it from a separate signal. -
Page 19: Servicing Information
PZ2 screws To replace the grille, position the grille on the front of the EMS-51 and ensure the threaded fittings on the grille are lined up with the mounting holes – gentle pressure may be required. Replace both of the M4x20 countersunk screws and ensure they are both are started in their threads before beginning to tighten. -
Page 20: Ems-51: Removing The Lf Drive Unit
Page 19 of 24 7.2 – EMS-51: Removing the LF drive unit TOOLS REQUIRED: 3mm Allen key Complete step 7.1 above to remove the grille. Using a 3mm Allen key, remove the four M4x20 socket cap screws that secure the drive unit. Ensure that you collect both the spring washers and the flat washers as well as the machine screws. -
Page 21: Ems-51: Removing The Hf Drive Unit
Page 20 of 24 7.3 – EMS-51: Removing the HF drive unit TOOLS REQUIRED: PZ1 screwdriver Complete step 7.1 above to remove the grille. Using a PZ1 screwdriver, remove the three No4 x 1/2” pan pozi screws that secure the drive unit. -
Page 22: Appendix A - Technical Specifications
Page 21 of 24 Appendix A – Technical Specifications EMS-51 ultra-compact passive loudspeaker Dimensions (HxWxD): 250 x 140 x 175mm (9.9” x 5.5” x 6.9”) Net/Shipping Weight: 4.5kg/5.2kg (9.9/11.7lbs) Frequency Response (+/- 3dB) 80Hz – 20kHz Dispersion 75° conical Drive Units: 5”... -
Page 23: Appendix B - Technical Drawings
Page 22 of 24 Appendix B – Technical Drawings EMS-51 User Manual v2 November 2019... -
Page 24: Appendix C - Spare Parts List
Page 23 of 24 Appendix C – Spare Parts List Order Code Description 01A507 CAD-401 replacement 4”/0.85” coaxial drive unit 04A049 RFG-41 replacement grille for EMS-41 EMS-51 User Manual v2 November 2019... -
Page 25: Appendix D - Warranty Information
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 Acoustics will pay for return freight should the repair be covered under warranty.