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Martin Audio Blackline S18+ Zoom

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Martin Audio Blackline S18+

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Compact vented sub-bass system

Martin Audio

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Product Description


Martin Audio Blackline S18+

The compact Blackline S18+ sub-bass system has been designed to be used with Blackline F12+ and F15+ full-range systems to extend and increase the total low frequency output power. The S18+ provides good bass punch with extended sub-bass output from a new, long-excursion, 18” (460mm)/4” (100mm) voice coil driver with a water resistant cone and triple roll surround.

The S18+ is provided with a top hat


  • Compact vented sub-bass
  • Direct radiating 18” (460mm) driver
  • High temperature 4” (100mm) voice coil
  • Large ports ensure low air noise
  • Top hat fitting for pole mounting F12+/F15+
  • Five year limited warranty


Live club performance
Club installs
AV presentations

Additional Information

Additional Information

Manufacturer Martin Audio

TYPE Compact, vented sub-bass system

FREQUENCY RESPONSE (1) 40Hz-120Hz ± 3dB -10dB @ 35Hz

DRIVERS 18” (460mm)/4” (100mm) voice coil LF driver

RATED POWER (2) 750W AES, 3000W peak


SENSITIVITY (3) 102dB (half space)

MAXIMUM SPL (9) 130.5dB continuous, 136.5dB peak (half space)



CROSSOVER 120Hz active/passive low pass filter

ENCLOSURE 150 litre, multi-laminate birch ply

FINISH Textured black paint

PROTECTIVE GRILLE Black perforated steel

CONNECTORS 2 x Neutrik NL4

PIN CONNECTIONS LF+,- : 1+,1- , Link thro’: 2+,2-

FITTINGS 1 x mounting pole socket, 4 x pocket handles

DIMENSIONS (W) 561mm x (H) 690mm x (D) 595mm
(W) 22.1ins x (H) 27.2ins x (D) 23.4ins

WEIGHT 45kg (99lbs)


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