• at218b 1
  • at218b 2
  • at218b 3

Dual 18" Subwoofer


The AT218B is a dual 18" subwoofer designed to be ground stacked and used with ATEC Line Array Systems. The AT218B is also suitable for all LAX Europe line array systems, portable full-range and installation speakers, especially when high quality reproduction of low frequency sound is required.


  • High powered 1800 W subwoofer, with 2 x 18" drivers with a 100 mm (4") dual layer voice coil.
  • Precision-made 15-ply 24 mm and 11-ply 18 mm Baltic birch plywood cabinet, with a durable paint finish for touring and rental use.
  • Optimised cabinet structure designed to reduce unwanted resonances and airflow noise.
  • Designed to be ground stacked in various array configurations.
  • Low frequency extends down to 30 Hz (@ -10dB).
  • Reinforced V-Slot grille reduces internal vibration noise.
  • The LF drivers feature a humidity resistant paper cone.
  • Designed for touring, outdoor concerts, stadiums, fixed installation and for all demanding sound reinforcement applications.
  • Recommended for use with ATEC Line Array Systems, AR Curve Array Systems, FP and all full-range speaker systems.


Technical Specifications

Frequency Response -10dB 30Hz - 250Hz
Frequency Response+/-3dB 40Hz - 150Hz
Dispersion omni
Sensitivity (1W/1m) 104dB
SPL 136dB (cont.) / 142dB (Peak)
LF Drivers 2 x 18" Ferrit / 100mm Voice Coil
Power (AES) 1800W
Nominal Impedance 4 Ohm
Dimensions (B x T x H) 1193 x 835 x 551mm
Weight 86kg
Cabinet phase reversed
Connectors 2 x Neutrik NL4MP; LF:2+2-


 AT218B Dimensions klein



Product Description
Case for 1 x AT218B

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