Description
Cannot be shipped to the USA or Territories of the USA.
The B&C 21IPAL is a weather-proof pro audio 21" woofer for music and car audio applications. Providing a monstrous 5000W of continuous power and paired with a neodymium magnet and waterproof cone, this is one beast of a driver.
Specifications |
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Nominal diameter | 530 mm (21.0 in) |
Nominal impedance | 1 Ω |
Minimum impedance | 1.1 Ω |
Nominal power handling | 2500 W |
Continuous power handling | 5000 W |
Sensitivity (1W/1m) | 99.0 dB |
Frequency range | 37 - 1000 Hz |
Voice coil diameter | 153 mm (6.0 in) |
Winding material | Aluminium |
Former material | Glass Fibre |
Winding depth | 48 mm (1.9 in) |
Magnetic gap depth | 18 mm (0.7 in) |
Flux density | 1.35 T |
Design |
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Surround shape | Triple Roll |
Cone shape | Radial |
Magnet material | Neodymium Inside Slug |
Spider | Double Silicone |
Pole design | T-Pole |
Woofer cone treatment | TWP Waterproof Both Sides |
Recommended enclosure | 200.0 dm3 (7.06 ft3) |
Recommended tuning | 40 Hz |
Parameters |
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Fs | 37 Hz |
Re | 0.7 Ω |
Qes | 0.22 |
Qms | 4.9 |
Qts | 0.21 |
Vas | 155.0 dm3 (5.47 ft3) |
Sd | 1680.0 cm2 (260.4 in2) |
η₀ | 3.2 % |
Xmax | 22.0 mm |
Xvar | 15.0 mm |
Mms | 487 g |
Bl | 19.1 Txm |
Le | 0.5 mH |
EBP | 168 Hz |
Mounting Info |
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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 | 269 mm (10.59 in) |
Flange and gasket thickness | 13 mm (0.51 in) |
Air volume occupied by driver | 16.0 dm3 (0.56 ft3) |
Net weight | 22.0 kg (48.5 lb) |
Service Kit |
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RCK21IPAL |