B&C 21IPAL 21 5000w Powersoft Woofer

This item is brand-new, factory sealed.

21.0-in Woofer w/1 Ohms Impedance & 5000 Watts Continuous Power Handling Capacity & Neodymium Inside Slug Magnet
* Nominal Outer Diameter - mm (in): 530 (21.0)
* Continuous Power Handing Capacity: 5000
* Nominal power handling: 2500 Watts
* Frequency Response: 37 - 1000 Hz
* Sensitivity (1W/1m): 99.0 dB
* Nominal impedance: 1 Ohms
* Minimum impedance: 1.1 Ohms
* Winding material: Aluminium
* Winding depth - mm (in): 48.0 (1.9)
* Voice Coil Diameter - mm (in): 153 (6.0)
* Cone Shape: Radial
* Surround Shape: Triple Roll
* Former Material: Glass Fibre
* Magnetic gap depth - mm (in): 18.0 (0.7)
* Flux Density - T: 1.35
* Spider type: Double Silicone
* Pole Design: T-Pole
Recommended Enclosure: 200.0 (7.06)
Recommended Tuning in Hz: 40