Package Includes:

• (2) Celestion FTR18-4080FD 2000W 18" Pro Audio Subwoofer/8 Ohm Sub Woofer

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Features:

• Glass loaded paper cone with weather-resistant impregnation
• Optimised double suspension
• Airflow vented magnet assembly for dynamic heat dispersion

Specifications:

• Nominal diameter: 457mm / 18in
• Power rating: 1000W
• Continuous power rating: 2000W
• Rated impedance: 8?
• Sensitivity: 97dB
• Frequency range: 30-2500Hz
• Chassis type: Cast aluminium
• Magnet type: Ferrite
• Magnet weight: 3.1kg / 110oz
• Voice coil diameter: 100mm / 4in
• Voice coil material: Round copper
• Former material: Glass fibre
• Cone material: Glass loaded paper (weather-resistant)
• Surround material: Cloth-sealed
• Suspension: Double
• Gap height (Hg): 10mm / 0.39in
• VC winding height (Hvc): 22mm / 0.87in

Parameters:

• Sd: 1134.12cm2 / 175.79ft3
• Fs: 25.20Hz
• Mms: 177.81g / 6.27oz
• Qms: 4.750
• Qes: 0.304
• Qts: 0.286
• Re: 5.62?
• Vas: 408.72l / 14.43ft3
• BI: 22.81Tm
• Cms: 0.23mm/N
• Rms: 5.92kg/s
• Le (at 1kHz): 1.50mH
• Xmax: 8.5mm / 0.34in

Mounting Information:

• Overall diameter: 452mm / 17.8in
• Overall depth: 205mm / 8.1in
• Cut-out diameter: 416mm / 16.38in
• Mounting hole dimensions: 10x7mm / 0.39x0.27in
• Number of mounting holes: 8
• Mounting hole PCD: 429-440mm / 16.89-17.32in
• Unit weight: 9.8kg / 21.6lb

Packed Dimensions & Weight:

• Single pack size W x D x H: 500mm x 500mm x 240mm / 19.7in x 19.7in x 9.4in
• Single pack weight: 11.5kg / 25.3lb
• Multi pack qty: 24
• Multi pack size W x D x H: 1210mm x 1050mm x 980mm / 47.6in x 41.3in x 35.4in
• Multi pack weight: 265kg / 580lb