Brand: B&C SPEAKERS
Article number: 21sw152-4
B&C 21 SW 152 4 LF Driver
- 4000 W Continuous power handling
- 6.0 in (153 mm) Voice coil diameter
- Neodymium Inside Slug Magnet material
| Type of speaker | 21″ |
| Nominal Diameter mm | 530 mm |
| Impedance Ohm | 4 Ω |
| Power Handling | 4000 W |
| Frequency range | 30 – 1000 Hz |
| Sensitivity dB | 96.0 |
| Magnet Material | Neodymium Inside Slug |
| Brand | B&C SPEAKERS |
| Type | speaker |
| Nominal Diameter | 530 mm (21.0 in) |
| Nominal Impedance | 4 Ω |
| Minimum Impedance | 4.2 Ω |
| Nominal Power Handling | 2000 W |
| Continuous Power Handling | 4000 W |
| Sensitivity | 96.0 dB |
| Frequency Range | 30 – 1000 Hz |
| Winding Material | Copper |
| Former Material | Glass Fibre |
| Winding Depth | 30.0 mm (1.18 in) |
| Magnetic Gap Depth | 12.0 mm (0.5 in) |
| Flux Density | 1.2 T |
| Surround Shape | Triple Roll |
| Cone Shape | Radial |
| Spider | Double Silicone |
| Pole Design | T-Pole |
| Woofer Cone Treatment | TWP Waterproof Both Sides |
| Recommended Enclosure | 190.0 dm3 (6.71 ft3) |
| Recommended Tuning | 33 Hz |
| Resonance Frequency | 32 Hz |
| Re | 3.3 Ω |
| Qes | 0.31 |
| Qms | 7.0 |
| Qts | 0.3 |
| Vas | 200.0 dm3 (7.0 ft3) |
| Sd | 1680.0 cm2 (260.4 in2) |
| η₀ | 2.2 % |
| Xmax | ± 15.0 mm |
| Xvar | ± 16.0 mm |
| Mms | 460.0 g |
| Bl | 32.5 Txm |
| Le | 1.5 mH |
| EBP | 103 Hz |
| Overall Diameter | 547 mm (21.5 in) |
| Bolt Circle Diameter | 527 mm (20.7 in) |
| Baffle Cutout Diameter | 508.0 mm (20.0 in) |
| Depth | 261 mm (10.3 in) |
| Flange and Gasket Thickness | 16 mm (0.63 in) |
| Air Volume Occupied by Driver | 16.0 dm3 (0.56 ft3) |
| Net Weight | 18.5 kg (40.7 lb) |
| Recone kit | RCK21SW1524 |
| Article | B&C 21sw152-4 |
- Drawing
- Datasheet
