B&C 21IPAL - 1 ohm - Woofer

B&C 21IPAL - 1 ohm - Woofer
SKU
585-008
Ship weight
25.00 kg
Priced per
each
Impedance:
1 ohm
  • Details
  • Additional Information

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

Nominal diameter530 mm (21.0 in)
Nominal impedance1 Ω
Minimum impedance1.1 Ω
Nominal power handling12500 W
Continuous power handling25000 W
Sensitivity (1W/1m)399.0 dB
Frequency range37 - 1000 Hz
Voice coil diameter153 mm (6.0 in)
Winding materialAluminium
Former materialGlass Fibre
Winding depth48 mm (1.9 in)
Magnetic gap depth18 mm (0.7 in)
Flux density1.35 T

Design

Surround shapeTriple Roll
Cone shapeRadial
Magnet materialNeodymium Inside Slug
SpiderDouble Silicone
Pole designT-Pole
Woofer cone treatmentTWP Waterproof Both Sides
Recommended enclosure200.0 dm3 (7.06 ft3)
Recommended tuning40 Hz

Parameters4

Fs37 Hz
Re0.7 Ω
Qes0.22
Qms4.9
Qts0.21
Vas155.0 dm3 (5.47 ft3)
Sd1680.0 cm2 (260.4 in2)
η₀3.2 %
Xmax22.0 mm
Xvar15.0 mm
Mms487 g
Bl19.1 Txm
Le0.5 mH
EBP168 Hz

Mounting And Shipping Info

Overall diameter547 mm (21.5 in)
Bolt circle diameter527 mm (20.7 in)
Baffle cutout diameter508.0 mm (20.0 in)
Depth269 mm (10.59 in)
Flange and gasket thickness13 mm (0.51 in)
Air volume occupied by driver16.0 dm3 (0.56 ft3)
Net weight22.0 kg (48.5 lb)
Shipping units1
Shipping weight24.5 kg (54.0 lb)
Shipping box590x590x300 mm (23.2x23.2x11.8 in)

Service Kit

RCK21IPAL

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