EMS-118

Compact reflex subwoofer

EMS-118

Compact reflex subwoofer

Exceptional frequency and impulse response for fast, accurate low frequencies

Compact size and low weight for ease of use and installation

High excursion 18" neodymium LF drive unit

The EMS-118 is a compact, powerful subwoofer, designed to complement the larger fullrange products within the EMS Series for a variety of applications. The optimally-tuned vented enclosure provides excellent transient response and low frequency reproduction without the aid of corrective equalisation.

  • Premium 18mm multi-laminate birch plywood enclosure
  • Black or white textured paint finish
  • Optional weather protection or RAL custom colours
  • 35mm or M20 threaded pole mount adapter
  • Hex punched steel grille backed with acoustically transparent fabric

The compact enclosure houses a single 4.5” voice coil, 18” (457mm) neodymium LF drive unit and is constructed from premium grade multi-laminate Birch plywood and finished in impact resistant paint. The enclosure includes a single polemount adapter – either 35mm or M20 threaded – allowing the mounting of EMS Series fullrange loudspeakers above. The EMS-118 is also supplied with two steel bar handles, tour-grade castors and is fitted with rubber feet underneath and matching recesses on top to allow stable stacking of multiple enclosures. The front of the enclosure is protected by a rigid steel grille backed with acoustically transparent fabric for a discreet appearance, and two NL4 connections are provided on the rear for input and enclosure link. The enclosure is finished in black or white textured paint as standard, though RAL colour matching and weather protection options are available.

The EMS-118 requires an active crossover to function correctly – although the choice of filter points is very wide, allowing the user to tailor the response to exactly what is required. Cardioid DSP program settings are also available to create arrays with significant rejection to the rear of the subwoofers, by stacking three enclosures in a block (two facing forwards, one facing backwards). The EMS-118 can add low frequency power and extension to systems based around any EM Acoustics fullrange product, or for full range products from other manufacturers.

The EMS-118 requires active high/low pass filters and a single amplifier channel capable of delivering 1500-2000W RMS into a 4 ohm load. For optimum results, the EM Acoustics DQ10 or DQ20 Advanced System Amplifiers, or the AQ-10 or AD-9 power amplifier in conjunction with the DSC48 system controller (for loudspeaker filter slopes and protection) should be used.

Enclosure TypeQuasi-bandpass compact subwoofer
Components1 x 18" (457mm) neodymium LF drive unit
Dimensions (HxWxD), mm/(ins)

635 (25) x 590 (22.2) x 650 (25.6)

Net/Shipping Weight55/58kg (121/127.6lbs)
Frequency Response35Hz - 150Hz ± 3dB
Maximum SPL131dB continuous, 137dB peak
Power Handling1000W RMS, 2000W program
Nominal Impedance4 ohms

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