Product Features
Balanced airflow venting provides enhanced cooling
Twin demodulation rings
Optimized double suspension
Product Specifications
Nominal diameter: 457mm / 18in
Power rating: 1200W
Continuous power rating: 2400W
Rated impedance: 8O
Sensitivity: 97dB
Frequency range: 30-2500Hz
Chassis type: Cast aluminum
Magnet type: Ferrite
Magnet weight: 3.18kg / 112oz
Voice coil diameter: 100mm / 4in
Voice coil material: Round copper
Former material: Glass fibre
Cone material: Kevlar loaded paper
Surround material: Cloth-sealed
Suspension: Double
Gap height (Hg): 10mm / 0.39in
VC winding height (Hvc): 30mm / 1.18in
Additional impedances: 4O
Parameters
Sd: 1134.12cm2 / 175.79in2
Fs: 37.00Hz
Mms: 217.40g / 7.67oz
Qms: 4.372
Qes: 0.437
Qts: 0.397
Re: 5.29O
Vas: 155l / 5.47ft3
BI: 24.76Tm
Cms: 0.09mm/N
Rms: 11.56kg/s
Le (at 1kHz): 1.16mH
Xmax: 12.5mm / 0.49in
Packed Dimensions & Weight
Single pack size W x D x H: 500mm x 500mm x 255mm / 19.7in x 19.7in x 10in
Single pack weight: 13kg / 28.6lb
Multi pack qty: 24
Multi pack size W x D x H: 1210mm x 1050mm x 1070mm / 47.6in x 41.3in x 42.1in
Multi pack weight: 305kg / 670lb
Mounting Information
Overall diameter: 460mm / 18.11in
Overall depth: 220mm / 8.7in
Cut-out diameter: 414mm / 16.24in
Mounting hole dimensions: 11x7mm / 0.43x0.28in
Number of mounting holes: 8
Mounting hole PCD: 441-432mm / 17.36-17.01in
Unit weight: 11.6kg / 25.5lb