RCF LF21N451
WOOFER..
Product #:
RCF LF21N451
RCF LF21N451
- Nominal Diameter: 21 inch / 533 mm
- Rated Impedance: 8 ohm
- Program Power (watt): 3000 W
- Power handling capacity: 1500 W
- Sensitivity: 98.5 dB
- Frequency range: 30 - 1000 Hz
- Effective piston diameter: 470 mm / 18.5 inch
- Max. Excursion Before Damage: 58 mm / 2.28 inch
- Minimum Impedance (ohm): 7.1 ohm
- Voice Coil Diameter: 4.5 inch / 114 mm
- Voice Coil Winding Material: Copper
- Voice Coil Length: 34 mm / 1.34 inch
- Number of layers: 2
- Kind of layers: inside/outside
- Top Plate Thickness: 15 mm / 0.59 inch
- Cone Design: Curved
- Surround Material: Polycotton
- Surround Design: Triple roll
- Magnets: Neodymium
- Dual-force air ventilation: Yes
- Spider: Dual with silicon based damping control
- Height: 249 mm / 9.8 inches
- Diameter: 547 mm / 21.54 inches
- Weight: 10.9 kg / 24.03 lbs
