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Nexo - RS18


Nexo

Noleggio Audio / PA

RS18

RS18
Scheda Tecnica



RS18

The RS18 uses two 18″ long excursion Neodymium drivers drivers in a low profile cabinet to extend system response down to 30Hz. NEXO’s patent pending RAY SUB Technology is based on optimising the positioning and phase relationships of radiating surfaces in vented enclosures, permitting acoustic distance from rear to front sections to always increase as frequency decreases. Consequently rear and front sections sum up efficiently over the entire subwoofer bandwidth, allowing for an average of 5dB gain from the rear section in the forward direction and cancelling in the rear direction.

Key Features

  • Low profile, high output, modular scalable bass
  • Configurable directivity pattern
  • Cardioid pattern reduces rear levels by minimising rear/side wall reflections
  • Aerodynamic profiled vents with 20db noise reduction and improved linearity at high SPL
  • Frequency response 30Hz - 100Hz
  • Sensitivity 105dB
  • 2 x 18" configuration
  • Applies across entire NEXO Product Line

Specifications

OmniDirectional
Frequency Response @ -3db [a]30Hz–100Hz30Hz-100Hz
Usable Range @ -6db [a]29Hz–250Hz29Hz–150Hz
Sensitivity 1W @ 1m [b]105dB SPL Nominal103dB SPL Nominal
Peak SPL @ 1m [b]143–146dB Peak140–143dB Peak
(2x1000W to 2 x 2000W/8Ω)(2x1000W to 2 x 2000W/8Ω)
DispersionOmni & Directional pattern over the entire useable bandwidth depending on controller
Directivity Index [c]1.5 < Q < 2 1.7dB < DI < 3dBQ=4.3 DI=5.3dB
Crossover FrequencyFrom 75Hz to 100HzFrom 75Hz to 100Hz
Nominal Impedance2 x 8Ω2 x 8Ω
Recommended AmplifiersOne amplifier channel is required for Omni mode operation, rated at 2000 to 4000 Watts into 4ΩTwo amplifier channels are required for Directional mode operation, each rated at 1000 to 2000 Watts into 8Ω

Features

Components2 x 18" (46cm) long excursion neodymium 8Ω drivers
Height x Width x Depth520 x 1403 x 732mm (20.46" x 55.24" x 28.81") with handles (touring version)
520 x 1238 x 732mm (20.46" x 48.75" x 28.81") without handles (install version)
ShapeRectangular
WeightNet Weight 90Kg (199 lbs)
Net Weight with handles 105Kg (231.5 lbs)
Net Weight with rigging system 126Kg (278 lbs)
Connectors4 x NL4MP SPEAKON 4 pole on two connection plates (In & Through)
ConstructionBaltic Birch ply finish with textured black or white coating. Dark grey carpet finish also available.

[a] Response curves and data: anechoic far field above 200 Hz, half-space anechoic below 200 Hz.

[b] Sensitivity & peak SPL: will depend on spectral distribution. Measured with band limited pink noise.
Refers to the specified +/- 3 dB range. Data are for speaker + processor + recommended amplifier combinations.

[c] Directivity curves and data: 1/3 octave smoothed frequency response, normalized to on-axis response. Data obtained by computer processing of off-axis response curves.

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Nexo - RS18 - PA

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