B 18

B 18 1

Unrestrained | Compact | Scalable

B-18 is a multi-purpose passive bass-reflex subwoofer with high power SE Audiotechnik 18″ woofer.

Extremely flat frequency response extends down to 28 Hz.

Smart design ensures easy handling and operation in various applications, including cardioid subwoofer stacks.

Features

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Port design

Aerodynamic port design reduces distortion and airflow noise. The unique asymmetric shape reduces port noise drastically by (-35 dB).

Sockets at front grill

Convenient multiple Neutrik speakON® sockets in front and back allows for easy set up ideal for live performances.
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Octopus feet

The so called “octopus feet” are made from some flexible rubber/plastic material, which provides good slip resistance.

Cardioid subwoofer setups

Due to the intelligent stacking design and the front and rear sockets, it is possible to operate our B-Line subwoofers as a cardioid setup without any problems.
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Specification

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B 15 / B 15WB 15A / B 15A WB 18 / B 18WB 21 / B 21W
Type Bass-Reflex, Subwoofer, passive Bass-Reflex, Subwoofer, active Bass-Reflex, Subwoofer, passive Bass-Reflex, Subwoofer, passive
Transducers: 1x 15" with 3" Voice Coil 1x 15" with 3" Voice Coil 1x 18" with 4" Voice Coil 1x 21" with 5" Voice Coil
Impedance (Ω): 8 Ω 8 Ω 8 Ω
Coverage (°): omni directonal omni directional omni directional omni directional
Low frequency SPL Limit (-3dB): 40 Hz 36 Hz 37 Hz 31 Hz
Sensitivity SPL (1m / 1W): 98 dB 98 dB 99 dB 100 dB
Max SPL (@1m) *: 136 dB 136 dB 138 dB 142 dB
Power rating (RMS** / Program** / Peak***): 400 W / 800 W / 1600 W 400W RMS / 800 W Music 600 W / 1200 W / 2400 W 1000 W / 2000 W / 4000 W
Amplifier: none (passive) 800 W class-D with DSP none (passive) none (passive)
Connector(s): Speakon® Speakon® Speakon® 2x Speakon®
Rigging: n/a n/a n/a n/a
Cabinet: 15 mm plywood, black or white polyurea coating 15 mm plywood, black or white polyurea coating 15 mm plywood, black or white polyurea coating 15 mm plywood, black or white polyurea coating
Dimensions (WxHxD): 465 x 520 x 654 mm 465 x 520 x 654 mm 512 x 576 x 793 mm 585 x 672 x 829 mm
Weight (kg): 32 kg 34 kg 41 kg 49 kg

* max. SPL peak = Sensitivity + 10 x (log10 RMS Power) + 12 dB crest factor
** All product specifications are subject to change without prior notice.

Accessories

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B 18 Dollyboard

Dollyboard for B 18

B 18 Dollyboard

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M-F3A SPS 20

M20 Pole support to mount M-F3A PRO (or M-F3A) on top of our subwoofers.

M-F3A SPS 20

Downloads

Specification Sheet

Brochure