R31,999.00
B-21 is a multi-purpose passive bassreflex subwoofer with high power SE AUDIOTECHNIK 21″ woofer.
Extremely flat frequency response extends down to 25 Hz.
Smart design ensures easy handling and operation in various applications, including cardioid subwoofer stacks.
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.
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.
| Brand |
|---|
| Frequency Range (-3 dB)* | 34 Hz – 130 Hz |
| Frequency Range (-10 dB)* | 26 Hz – 160 Hz |
| Coverage (-6dB) [H x V] | Omnidirectional |
| Nominal Impedance | 8 Ω |
| Sensitivity** | 99 dB |
| Peak Power | 4000 W |
| Continuous Power*** | 1000 W |
| Maximum Peak SPL**** | 142 dB |
| System Type | 1-Way Passive System |
| Transducers | 1 x 21″ Driver |
| Enclosure | Vented Box |
| Connectors | Input Signal: 2 x Neutrik SpeakON® NL4 Link Input: 2 x Neutrik SpeakON® NL4 Link Output: 1 x Neutrik SpeakON® NL4 |
| Wiring | Pins 1+/1- : Driver Pins 2+/2- : Link (Output CH 2, Pins 1+/1-) |
| Product Dimensions [H x W x D] (Including Rigging) | 666 x 585 x 832 mm |
| Net Weight | 51 kg |
| Packaging dimensions [H x W x D] | 796 x 685 x 930 mm |
| Total Weight | 61.5 kg |
| Cabinet | 15 – 24 mm Plywood |
| Cabinet Finishing | Black or White Polyurea Coating |
| Grille | Powder Coated Perforated Steel |
| Hardware | 4 SE Audiotechnik® Ergonomic Handles 8 Rubber Feet and Top Slots M20 Pole Thread |
| Pole Bar | SPS20 |
| Flight Case | B21 FC |
| Transport Dolly | B21 TD |
| Transport Cover | B21 TC |
