B&C 21IPAL - 1 ohm 21" 2500W Neodymium 6.0" Voice Coil Woofer

SKU: 585-008

Price:
Sale price$1,449.99
Stock:
In stock (4 units)

Description

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 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

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

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

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

RCK21IPAL
Full Product Specs From Manufacturer's Website