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Biamp Community IS8-218W Dual 18" Passive Subwoofer 3200W, White


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The Community IS8-218 is an I Series Subwoofer 800 dual 18" 3200W (4 Ohms) passive installation subwoofer in white. This subwoofer is well-suited for applications such as houses of worship, auditoriums, restaurants, meeting rooms, corporate A/V systems, arenas, stadiums, or any other application where additional reinforcement of low-frequencies is required.

I Series Subwoofer 800 loudspeakers provide exemplary acoustic performance, modular flexibility and elegant aesthetics for modern performance venues. Designed to support the goals of systems integrators and consultants both acoustically and mechanically, I Series Subwoofers provide a broad range of sizes and capabilities that can be specifically matched to the needs of any modern venue.

Each cabinet was carefully designed to provide matching heights, face widths and suspension point locations for seamless integration into flown arrays with I Series full-range models. The broad range of optional low profile fly rails, fly frames and modular array brackets reduces design and installation time while also providing improved aesthetics and nearly limitless integration possibilities.

The IS8-218 is a direct radiating subwoofer with large, balanced ports that provide optimal enclosure tuning and even air pressure distribution to the driver cones, reducing distortion and extending system longevity. Drivers are loaded into individual air volumes within the enclosure, isolating their performance from one another. This arrangement not only provides additional protection to drivers in case of failures, but also allows the designer to implement directional subwoofer techniques, like steered end-fire arrays and cardioid patterns, within a single enclosure when using any I Series dual driver subwoofer model.

Community IS8-218W Features:

  • High-flux, linear neodymium motors with demodulation rings for very low distortion
  • Matched-size enclosure and aligned suspension point for seamless flown array integration
  • 3200W continuous power handling (12,800W peak)
  • Long, linear excursion ensures deep, clean bass extension at maximum output
  • Isolated driver air volumes allow use of directional steering techniques within a single enclosure

Community IS8-218W Specifications:

  • Operating Mode: Single or Dual Amp
  • Operating Environment: Indoor
  • Operating Range: 31 Hz - 150 Hz
  • Transducers: 2x 18" (457 mm) double-treated cones with 4" (102 mm) voice coils, triple demodulation rings, neodymium construction
  • Continuous Power Handling @ Nominal Impedance:
    • Single Amp, 113V: 3200W @ 4 Ohms (12,800W peak)
    • Dual Amp, 113V: 1600W @ 8 Ohms (6400W peak) each
  • Nominal Sensitivity:
    • Half Space: 102dB @ 1W; 105dB @ 2.83V
    • Whole Space: 96dB @ 1W; 99dB @ 2.83V
  • Nominal Maximum SPL:
    • Half Space: 137dB continuous; 143dB peak
    • Whole Space: 131dB continuous; 137dB peak
  • Equalized Sensitivity:
    • Half Space: 101dB @ 1W; 104dB @ 2.83V
    • Whole Space: 95dB @ 1W; 98dB @ 2.83V
  • Equalized Maximum SPL:
    • Half Space: 136dB continuous; 142dB peak
    • Whole Space: 130dB continuous; 136dB peak
  • Recommended Amplifiers:
    • Single Amp: 3200W - 6400W @ 4 Ohms (113V - 160V)
    • Dual Amp: 1600W - 3200W @ 8 Ohms (113V - 160V) each driver
  • Physical:
    • Input Connection: (2) 4-position screw terminal blocks
    • Mounting Points: (24) M10 threaded rigging points
    • Environmental: IPX4 per IEC 60529, designed in accordance with MIL-STD-810G

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