EM Acoustics EMS-51 Product User Manual Download Page 7

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EMS-51 User Manual 

v2 November 2019 

 

2.0 – EMS-61 & Accessories 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEATURES & BENEFITS 

  Signature  EM  Acoustics  “maximum  headroom”  design  approach  ensures 

consistency of   performance regardless of SPL level. 

 Multiple M8 threaded flying points for temporary and permanent installation. 

 Enclosure available in black and white textured paint as standard. 

 Horizontal and vertical mounting yokes included. 

 Connections on NL4. 

 Single amplifier channel required. 

KEY SPECIFICATIONS 

 

ENCLOSURE TYPE: 
DRIVE UNITS: 
FREQUENCY RESPONSE: 
NOMINAL DISPERSION1: 
MAXIMUM SPL: 
NOMINAL IMPEDANCE: 
DIMENSIONS (HxWxD): 
NET/SHIPPING WEIGHT: 

 
 

2-way passive, reflex loaded 
LF:  5” / HF:  1.1” 
80Hz – 20kHz +/-3dB 
75° conical 
113dB continuous, 119dB peak 
8 ohms 
250 (9.9) x 140 (5.5) x 175 (6.9) mm/(ins) 
4.5/5.2kg (9.9/11.7lbs) 

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. 
 
The YK-51h is designed to support one single EMS-51 loudspeaker. 
 
Weight (including fixings) 0.4kg / 0.88lbs 
 
 

YK-51v 

Vertical mounting yoke 

The YK-51v 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 
sides of the loudspeaker to mount it in a portrait format. 
 
The YK-51v is designed to support one single EMS-51 loudspeaker. 
 
Weight (including fixings) 0.4kg / 0.88lbs 
 
 

EMS-51 

Ultra-compact passive loudspeaker 

Summary of Contents for EMS-51

Page 1: ...TECHNICAL SERVICES FOR EVENTS THEATRE MUSIC EXHIBITION FILM TV 01483 757211 HIRE STORMLTD CO UK WWW STORMLTD CO UK...

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 R E D E F I N E D...

Page 3: ...Stacking 9 Rigging and Suspension 9 Secondary Safeties 10 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...

Page 4: ...over Cable Use 17 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 2...

Page 5: ...ctrical 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...

Page 6: ...through to theme park attractions The extremely compact enclosure houses a 5 LF drive unit and a 1 1 soft dome HF drive unit along with an extremely comprehensive passive crossover network This means...

Page 7: ...9 mm ins 4 5 5 2kg 9 9 11 7lbs 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 E...

Page 8: ...loaded for free from the AFMG website at http focus afmg eu and is currently available as a stand alone application for Windows XP or Higher only It can also be downloaded directly from the EM Acousti...

Page 9: ...mum load capabilities as detailed in the appropriate user manuals or on the legend labels on the accessories themselves Ensure all additional accessories fasteners and secondary safeties are of an app...

Page 10: ...roduct unless where specifically stated or any other loudspeaker system The use of EM Acoustics accessories with other manufacturers systems may compromise the safety standards and EM Acoustics is in...

Page 11: ...st also be carried out Safety legislation and test inspection requirements will vary from country to country and as such it is the user s responsibility to ensure that local regulations are adhered to...

Page 12: ...Page 11 of 24 EMS 51 User Manual v2 November 2019 5 0 Rigging Mounting Options 5 1 EMS 51 Cabinet Overview 1 Top Bottom M8 mounting point 2 Left Right M8 mounting point 1 2 1 2...

Page 13: ...rientation of yoke Ensure that the washers are in the correct order form A flat in contact with the frame and then the spring washer between the flat washer and the locking knob Tighten the knobs on b...

Page 14: ...rs provides a neat and flexible system that will encompass all requirements for the system to function correctly as well as providing user control for room EQ and system alignment 6 1 Amplifier and Pr...

Page 15: ...orking well within its limits 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 channel o...

Page 16: ...ysical location differences between different elements of your system for example time aligning subwoofers to the main system The use of SMAART or similar can make this task a great deal simpler and f...

Page 17: ...ate high low pass filter settings and limiters to get the best from your subwoofers Please refer to the DQ Series User Manual for detailed information on using the amplifiers and the System Engineer s...

Page 18: ...edance Cables with a cross sectional area of less than 2 5mm2 should not be used Recommended maximum cable lengths are given below Conductor Area Maximum Recommended Cable Length 2 ohms 4 ohms 8 ohms...

Page 19: ...ng a Pozidrive PZ2 screwdriver and then lift the grille clear of the cabinet 2 To replace the grille position the grille on the front of the EMS 51 and ensure the threaded fittings on the grille are l...

Page 20: ...tion brown to LF positive blue to LF negative 4 To replace the drive unit ensure the 5 gasket is intact and complete replace if necessary Reconnect the cables to the drive unit note the polarity detai...

Page 21: ...cess and disconnect the cables note the polarity for reconnection white to positive yellow to negative 4 To replace the drive unit ensure the gasket is intact and complete replace if necessary Reconne...

Page 22: ...s per amp channel DQ6 4 DQ10 4 DQ20 4 Connectors 2 x Neutrik SpeakONTM NL4 Enclosure 12mm 1 2 multi laminate birch plywood rebated pinned and glued Finished in black or white textured paint Rigging Ha...

Page 23: ...Page 22 of 24 EMS 51 User Manual v2 November 2019 FRONT LEFT RIGHT REAR TOP BOTTOM YK 51h HORIZONTAL YOKE 3mm STEEL ISOMETRIC YK 51v VERTICAL YOKE 3mm STEEL Appendix B Technical Drawings...

Page 24: ...Page 23 of 24 EMS 51 User Manual v2 November 2019 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...

Page 25: ...faced 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...

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