18 Sound 8NTLW2000 8" Neodymium Woofer 700 Watts 8-Ohms
Specifications
Nominal Impedance: 8 Ω
Minimum Impedance: 5.8 Ω
Nominal Power Handling: 350 W
Continuous Power Handling: 700 W
Sensitivity3: 97.5 dB
Frequency Range: 70 - 4500 Hz
Voice Coil Diameter: 51 mm (2.0 in)
Winding Material: aluminum
Winding Depth: 13.0 mm (0.51 in)
Magnetic Gap Depth: 8.5 mm (0.33 in)
12 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated minimum impedance. Loudspeaker in free air.
2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
3 Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
Design
Surround Shape: Double roll
Cone Shape: Curvilinear
Woofer Cone Treatment: Water,UV repellent
Recommended Enclosure: 15.0 dm3 (0.53 ft3)
Recommended Tuning: 100 Hz
Parameters
Resonance Frequency: 71 Hz
Re: 5.2 Ω
Qes: 0.21
Qms: 8.1
Qts: 0.21
Vas: 13.0 dm3 (0.46 ft3)
Sd: 227.0 cm2 (35.19 in2)
η₀: 2.2 %
Xmax: 4.4 mm
Xvar: 5.0 mm
Mms: 28.0 g
Bl: 17.5 Txm
Le: 0.63 mH
EBP: 338 Hz
Mounting and Shipping Info
Overall Diameter: 210 mm (8.27 in)
Bolt Circle Diameter: 196 mm (7.74 in)
Baffle Cutout Diameter: 186.0 mm (7.32 in)
Depth: 121 mm (4.76 in)
Flange and Gasket Thickness: 9 mm (0.35 in)
Net Weight: 1.5 kg (3.31 lb)
Shipping Weight: 1.9 kg (4.19 lb)