B&C 21IPAL 21" 1-Ohm Neodymium Subwoofer 5000W 37-1000Hz Response SUB. 21 IPAL
Features
- 5000 W continuous program power capacity
- 153 mm (6 in) split winding aluminium voice coil
- 37 - 1000 Hz response
- 99 dB sensitivity
- Neodymium magnet allows a very high force factor and linear excursion
- Double silicone spider with optimized compliance
- 80 mm peak-to-peak excursion before damage
- Ventilated voice coil gap for reduced power compression
Specifications
- Nominal Diameter 530 mm (21.0 in)
- Nominal Impedance 1 ohm
- Minimum Impedance 1.1 ohm
- Nominal Power Handling 2500 W
- Continuous Power Handling 5000 W
- Sensitivity 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 48.0 mm (1.9 in)
- Magnetic Gap Depth 18.0 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
- Resonance Frequency 37 Hz
- Re 0.7
- Qes 0.22
- Qms 4.9
- Qts 0.21
- Vas 155.0 dm3 (5.47 ft3)
- Sd 1680.0 cm2 (260.4 in2)
- 3.2 %
- Xmax 22.0 mm
- Xvar 15.0 mm
- Mms 487.0 g
- Bl 19.1 Txm
- Le 0.5 mH
- EBP 168 Hz
Mounting and Shipping 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)
- Shipping Units 1
- Shipping Weight 24.3 kg (53.57 lb)
- Shipping Box 570x570x320 mm (22.44x22.44x12.60 in)
Service Kit
- RCK21IPAL
