Related Manuals for EM Acoustics S-218
Summary of Contents for EM Acoustics S-218
- Page 1 S-218 Subwoofer Product User Manual v1 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 2: Table Of Contents
Rigging and Suspension ........................9 Material Damage from Magnetism ....................9 5.0 – Loudspeaker Hardware........................10 5.1 – S-218 Cabinet Hardware Overview..................10 5.2 – Stacking S-218 subwoofers ....................... 11 5.5 – Fitting castors ..........................12 5.6 – Cardioid Use ..........................13 6.0 –... - Page 3 6.4.1 - Cable Length and Specification ..................19 7.0 – Servicing Information ........................20 7.1 – S-218/ST-218: Removing the grille ..................20 7.2 – S-218/ST-218: Removing the drive units ................21 Appendix A – Technical Specifications ....................22 S-218 large format flyable subwoofer..................... 22 Appendix B –...
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Page 4: 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. S-218 User Manual v1 October 2019... -
Page 5: Introduction
EM Acoustics representative. The S-218 is a high-power reflex subwoofer, intended for a wide variety of low frequency applications in medium to large applications. The S-218 is equally at home in permanent installations as well mobile applications due to its rugged construction. -
Page 6: S-218 Subwoofer
S-218 High-power reflex subwoofer FEATURES & BENEFITS • Signature EM Acoustics “maximum headroom” design approach ensures consistency of performance regardless of SPL level. • Enclosure coated with 3-step polyurethane process - ensuring the cabinets are not only weather resistant but more resilient to impact damage. -
Page 7: Simulation
Tutorials for Ease Focus 3 are available from with the application itself. For training on the design and implementation of S-218 subwoofers including the specific use of Ease Focus 3, please contact your local distributor. -
Page 8: 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 9: Rigging And Suspension
Larger distances may be required for some older cathode ray tube displays. S-218 User Manual v1 October 2019... -
Page 10: Loudspeaker Hardware
Page 10 of 25 5.0 – Loudspeaker Hardware 5.1 – S-218 Cabinet Hardware Overview Lifting & Carrying Handle Protective Floor Runner (Landscape) Stacking recess (Landscape) Protective Floor Runner (Portrait) Locking recess Castor attachment point S-218 User Manual v1 October 2019... -
Page 11: Stacking S-218 Subwoofers
There are also runners on one end to facilitate using the subwoofer end-up. S-218 subwoofers should not be stacked on top of each other in this way. The small recesses in the opposite end are to ensure you can position stacks of landscape S-218 directly beside each other. -
Page 12: Fitting Castors
Page 12 of 25 5.5 – Fitting castors The S-218 is supplied with a set of four tour-grade castors which can be fitted for ease of movement. The carton should contain: 4pcs 32 x 100mm heavy duty castor 17pcs M8 x 30 hex head set screw... -
Page 13: Cardioid Use
Standard subwoofer column Cardioid subwoofer column All subwoofers forward One subwoofer in three reversed For guidance on correct cabling for cardioid subwoofer arrays, see Section 6.2.2 of this manual. S-218 User Manual v1 October 2019... -
Page 14: Powering The System
6.1 - Amplifier and Processing Requirements 6.1.1 - Connections The S-218 requires only a single amplifier channel. Inputs to the S-218 enclosure are on a single Neutrik SpeakON NL4 as illustrated below. Two-core cable should be used for connecting S-218 subwoofers, and the connections are... -
Page 15: Amplifier Requirements
Page 15 of 25 6.1.3 – Amplifier Requirements The S-218 is a very powerful subwoofer, making use of some of the most advanced drive units available in the industry today. It is good practice to ensure that your amplifier can... -
Page 16: Presets And Settings
DQ Series amplifier. 6.2.2 – Cardioid Array Preset The S-218/ST-218 can be used to create cardioid arrays as detailed in chapter 6 by ensuring that one in three subwoofers are physically reversed, and the appropriate S- 218/ST-218 Cardioid preset is loaded into the amplifier. -
Page 17: Geometric Delay
The presets are intended to be a starting point for your system and will almost certainly require tuning on-site dependent on room characteristics, the rest of your system design and the system voicing you are aiming for. The S-218 is designed with a significant amount of system headroom, so applying EQ is perfectly acceptable. -
Page 18: Use With The Dq Series Advanced System Amplifiers
Page 18 of 25 6.3 - Use with the DQ Series Advanced System Amplifiers The S-218 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 19: System Connectivity
2.5mm should not be used. Recommended maximum cable lengths are given below: Conductor Area Maximum Recommended Cable Length 2 ohms 4 ohms 8 ohms 2.5mm (14 AWG) 4.0mm (12 AWG) 6.0mm (10 AWG) 120m S-218 User Manual v1 October 2019... -
Page 20: Servicing Information
Allen key, and then lift the grille clear of the cabinet. To replace the grille, position the grille on the front of the S-218 (logo badge should be on the left of the enclosure when in a flown configuration) and ensure the threaded fittings on the grille are lined up with the mounting holes. -
Page 21: S-218/St-218: Removing The Drive Units
Page 21 of 25 7.2 – S-218/ST-218: Removing the drive units TOOLS REQUIRED: 5mm Allen key Complete step 7.1 above to remove the grille. Using a 5mm Allen key, remove the eight M6x40 socket cap screws that secure each drive unit. -
Page 22: Appendix A - Technical Specifications
Page 22 of 25 Appendix A – Technical Specifications S-218 large format flyable subwoofer Dimensions (HxWxD) : 550 x 1300 x 850mm (21.7” x 51.2” x 33.5”) Net/Shipping Weight: 106kg/108kg (233.2/237.6lbs) Frequency Response (+/- 3dB) 28Hz – 150Hz Dispersion Omnidirectional Drive Units: 2 x 4.5”... -
Page 23: Appendix B - Technical Drawings
Page 23 of 25 Appendix B – Technical Drawings S-218 User Manual v1 October 2019... -
Page 24: Appendix C - Spare Parts List
Page 24 of 25 Appendix C – Spare Parts List Order Code Description 01A022 DU-1802 replacement 4 ohm 18” LF drive unit 04A024 RFG-S218 replacement grille/fabric for S-218/ST-218 S-218 User Manual v1 October 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.
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