The HK Audio LINEAR 9 118 Sub BA is an 18-inch dual vented bandpass subwoofer that delivers powerful bass performance with exceptionally high sound pressure levels. Compatible with all LINEAR 9 Mid/High models, this subwoofer is ideal for both powerful full-range speakers and as a sub low extension.
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The HK Audio LINEAR 9 118 Sub BA subwoofer is designed to meet the demands of professional audio environments requiring high sound pressure levels and a deep, penetrating bass. Featuring an 18″ driver with a 4″ voice coil housed in a generously-sized dual vented bandpass cabinet, this subwoofer achieves a low cut-off frequency while maintaining a peak SPL of 136 dB.

Integrated presets allow for easy setup of cardioid configurations, enhancing sound directionality and minimizing rear sound leakage. This unit is perfectly suited as a standalone subwoofer or as a complement to the LINEAR 9 118 Sub A, providing substantial low-frequency reinforcement for any live sound or installation setup.

  • Type: Dual vented bandpass subwoofer
  • Driver: 18″, 4″ voice coil
  • Max. SPL @ 10% THD: 134 dB half space (40 Hz – 110 Hz averaged)
  • Max. SPL Peak @ 10% THD: 136 dB half space
  • Frequency Response (+/-3 dB): 38 Hz – X-over
  • Frequency Response (-10 dB): 31 Hz – X-over
  • Amplifier Output (RMS): 1100 W Class D
  • Inputs: 2x XLR combo balanced
  • Outputs: Analog thru 2x XLR balanced, DSP Out balanced
  • Network: Ethercon RJ45, 1x In, 1x Thru
  • DSP Functions: 10-band EQ, Low-Pass Filter, Polarity, Level, Delay, Limiter, Mute
  • Remote Software: DSP CONTROL for Windows, macOS
  • Sample Rate: 96 kHz
  • System Latency: Less than 2.6 ms
  • Power Requirements: 1.9 A / 100–240 V nominal, Powercon NAC3
  • Physical: 2x M20 pole mount, 8x MultiGrip handles, Birch multiplex housing with PU coating, 2 mm metal grille with acoustic foam
  • Dimensions: 111 x 56 x 69 cm
  • Weight: 63.5 kg

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