EM Acoustics Quake MSE-118 User Manual Download Page 11

11 

MSE-118 Quake User Manual 

www.emacoustics.co.uk 

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. 

 
MSE-118 Quake 
 

Enclosure 

Type: 

    exponential/hyperbolic 

folded 

horn 

Dimensions (HxWxD, mm/ins):   

 

1200/47.2 x 574/22.6 x 950/37.4 

Net 

Weight: 

    109kg 

Frequency Response (+/- 3dB):  

 

35Hz – 200Hz (single enclosure) 

 

 

 

 

 

 

27Hz – 200Hz (four enclosure stack) 

Sensitivity: 

 

 

 

 

106dB, 1W/1m (single enclosure) 

 

 

 

 

 

 

110dB, 1W/1m (four enclosure stack) 

Dispersion: 

    Omnidirectional 

(single 

enclosure) 

Drive Units: 

 

 

 

 

18” (457mm) LF cone drive unit 

Power Handling: 

 

 

 

800W RMS, 1600W Program 

Maximum SPL:   

 

 

 

134dB continuous, 140dB peak (single enclosure) 

Nominal 

Impedance: 

   8 

ohms 

Crossover: 

    Active, 

recommended 

below 150Hz (24dB/Octave Linkwitz-Riley 

Connectors: 

 

 

 

 

2 x Neutrik Speakon

TM

 NL4MPR 

Enclosure: 

18mm (3/4”) Finnish Birch plywood 

Grille: 

Foam backed hex-punched steel 

Options: Colours 
 Connectors 
 

 

Spares & Accessories: 

DU-1801 replacement LF drive unit 

 

RK-1801 re-cone kit for DU-1801 

 RFG-118 

replacement 

foam/grille 

TC118 padded transit cover for MSE-118 
 WHBQUAKE Touring wheelboard for 4 x MSE-118 

 

 

 
 

Summary of Contents for Quake MSE-118

Page 1: ...r 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 ________________________________________...

Page 2: ...3 Product Overview MSE 118 Quake Subwoofer enclosure 4 System Set up Safety Considerations 5 Cabling Amplifier selection 5 Quake in use Stacking 6 Stack Placement 7 Delay Times 8 Maintenance MSE 118...

Page 3: ...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 t...

Page 4: ...evels found in the horn throat This drive unit is loaded onto a horn nearly 9 2743mm in length to provide unprecedented depth and power from a single drive unit enclosure Quake was designed to be equa...

Page 5: ...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 c...

Page 6: ...array Quakes in this way With the horns close coupled in this manner a four stack of Quakes provides surprisingly strong pattern control characteristics with good front to back rejection This format a...

Page 7: ...array their Quakes as a single line across the front of the stage Not only does this method give extra horn area in one place but will provide an even dispersion rather than a strong 6dB boost on the...

Page 8: ...ll show whether the Quakes are properly aligned with your mid high enclosures The physical delay time for a Quake due to the horn length is 7 97 milliseconds This time needs to be applied to your syst...

Page 9: ...he driver simply reverse the above procedure Please observe the correct polarity the black striped cable to negative terminal 5 Before reinstating the access door check the condition of the sealing ga...

Page 10: ...rning 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...

Page 11: ...1m single enclosure 110dB 1W 1m four enclosure stack Dispersion Omnidirectional single enclosure Drive Units 18 457mm LF cone drive unit Power Handling 800W RMS 1600W Program Maximum SPL 134dB continu...

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