ASCENDO SMSG18  : High-end performance fully active, DSP controlled 18″ subwoofer (sealed enclosure)

The SMSG18 is a specialized cinema subwoofer, in a sealed enclosure, tuned to fit the ASCENDO CCRM speaker series for an uncompromising cinema performance.

It meets the highest demands in low end control and extension, dynamics, sound pressure and playback quality.

The SMSG18 is particularly suitable as a bass system in large home cinema installations or commercial cinemas for uncompromising demands.

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ASCENDO SMSG18  : High-end performance fully active, DSP controlled 18″ subwoofer (sealed enclosure)

The SMSG18 is a specialized 18″ cinema subwoofer, in a sealed enclosure, tuned to fit the ASCENDO CCRM speaker series for an uncompromising cinema performance.

It meets the highest demands in low end control and extension, dynamics, sound pressure and playback quality.

The SMSG18 offers features such as Ethernet Network compatibility, 3.0 kW RMS system performance, extensive DSP control and tablet-based graphical user interface.

The SMSG18 also features Split Coil Technology, which offers a dual gap motor structure with 2 inner and 2 outer voice coils. The split coil technology extends the Interleaved Sandwich Voice coil principle into a dual gap motor structure. With two inner and two outer coils there are in effect four voice-coils. The two “ISV” coils are wound on a single cylindrical voice coil former, suspended evenly in the two magnetic gaps. In this Split Coil design the flux flowing in the upper gap has an equal flux density but with opposite direction from the flux flowing across the lower gap. The current flowing in the upper voice-coil is equal to but with opposite direction from the current flowing in the lower voice-coil. It is important to notice that the motor structure is perfectly symmetric about the horizontal axis. Consequently, this dual gap, dual voice-coil topology provides an equal Lorentz force in each voice-coil with motive force in the same direction. The motor symmetry creates a very symmetric and quite flat inductance curve. The coils are wounded in the opposite direction, so the AC magnetic flux generated by one coil is equal and opposite to the flux generated by the other one and this brings about a flux cancellation, reducing inductance. Reduced Inductance allows for faster current change, hence a faster subwoofer. On top, this motor will produce more acoustic output than traditional voice-coil drivers. The dual gap motor structure with four voice-coils wound in an innovative manner increases the power handling and reduces power compression while balancing motor symmetry. Consequently, it has the great advantage of reducing the intrinsic distortions and DC component offsets caused by Bl(x) and L(x) asymmetry for extreme linear excursion with maximum low frequency SPL

The SMSG18 is suitable as a bass system in large home cinema installations or commercial cinemas, for uncompromising demands. We recommend a minimum of 2 subs, but for very large (auditorium / commercial cinema) installations the number may be extended. All the loudspeakers from our CCRM and SMS series, can be combined and are particularly suitable for modern 3D applications on the basis of Dolby ATMOS, Auro-3D, DTS:X and IMAX Enhanced.

The latest generation of highly efficient Class D amplifiers powers the SMS subs. No fan noise can disturb the listening experience because the amps are passively cooled.

ASCENDO’s cinema technology is also integrateable with all reputable home automation solutions; and is also compatible with legacy analogue output systems.

Specifications

• Amplifier : 3.0kW RMS

• Peak output current : 30A

• THD+N : 0.003%

• Dynamic range : 120dB

• Standby consumption : 0.3W

• Ethernet : 100 Mbit/s Fast Ethernet

• Connectivity : RJ-45 / Cat. 5

• Switch : 2 port Fast Ethernet Switch

• Comand & Control : OCS Software

• DSP channels : 2

• Sensitivity / Impedance : 8 dBU / 20 kΩ

• Analog Input : 2 x XLR female

• Technology : Sealed bass design

• Max SPL : 127 dBSPL continuous, 130 dBSPL peak

• Frequency response : 18Hz – 200Hz

• Woofer : Custom built 18“ (46 cm) woofer – dual gap motor structure with 2 inner and 2 outer voice coils

• Cabinet design : MDF and Birch Plywood, internally braced

• Finish:

  1. High resistant black matt Polyurea paint (standard “cinema” finish)
  2. NEXTEL® Suede Coating (colour of your choice)
  3. 12 layers of genuine Piano lacquer (colour of your choice)

• Dimensions : 530 x 380 x 1100 mm (Width x Depth x Height)

• Net weight : 55 kg

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