S28
S-series 
BROADBAND DIRECTIVITY MADE SIMPLE
S-series - the second generation of Passive End Fire Technology

S28

"all-in-one" High Power Passive Cardiod Subwoofer

S28 is a combination of 18" horn-loaded cabinet side and 18" reflex-loaded driver rear cabinet working together creating a passive cardioid subwoofer system featuring Passive End Fire Technology.

Main features:
Low frequency directivity control with ONLY ONE amplifier channel required - no bi-amp presets required!

Patented Passive End Fire Technology hybrid enclosure design for the most efficient passive cardioid sub to date!

"Best from both worlds" Extremely accurate and dynamic low frequency reproduction!

Extremely accurate and dynamic low frequency reproduction due to symmetric twin horn channel design with double long excursion 18” neodymium cone drivers, one each side.

Rugged birch plywood construction with textured semi-matt black paint finish.

APPLICATIONS

  • Noise sensitive installations
  • Medium to large scale touring
  • High end installations from night clubs to live music venues
  • Low frequency extension for all S-series tops

SPECIFICATIONS

  • Frequency Response (-6 dB): 30 Hz – 250 Hz
  • Horizontal Coverage (-6 dB): 150 degrees
  • Vertical Coverage (-6 dB): 150 degrees
  • Max SPL : 134/140 dB (free space)
  • Sensitivity, 1w/1m: 101 dB (free space)
  • Impedance: 4 ohms (nominal)
  • Crossover: 80 Hz – 100 Hz active
  • Power handling: 2400 W(rms), 10000 W(peak)
  • Recommended HP-filter: 30 Hz, 12 dB/octave

DRIVERS

  • Front: (1) x 18” neodymium magnet cone driver, 4” voice coil
  • Rear: (1) x 18” neodymium magnet cone driver, 4” voice coil

ENCLOSURE

  • Enclosure material: Birch plywood, textured black paint finish
  • Grille: Cold rolled steel grille, black paint finish
  • Connectors: (2) x NL4, +/-1: Input, +/-2: Linked
  • Dimensions: 1200 mm x 520 mm x 800 mm (930 w/wheels)
  • Weight: 78 kg
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