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W18N8-1000 { 18" - 1000 W - 99 dB - 8 Ohm }
Available Impedance: 8 Ohm
Nominal Specifications
Nominal Diameter 460 mm (18 in)
Overall Diameter 460 mm (18.11 in)
Bolt Circle Diameter 440 mm (17.32 in)
Baffle Cutout Diameter 424 mm (16.69 in)
Depth 202 mm (7.95 in)
Flange and Gasket Thickness 13.9 mm (0.55 in)
Net Weight 6.1 Kg (13.4 lb)
Shipping Box
(Single Carton Box)
536 x 536 x 293 mm
(21.1 x 21.1 x 11.5 in)
Shipping Weight 7.4 Kg (16.3 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 6.6 Ohm
AES Power Handling (1) 1000 W
Maximum Power Handling (2) 2000 W
Sensitivity (1W/1m) 99 dB
Frequency Range 35÷1600 Hz
Voice Coil Diameter 100 mm (4 in)
Winding Material Cu
Former Material Glass Fiber
Winding Depth 23 mm (0.9 in)
Magnetic Gap Depth 12 mm (0.47 in)
Flux Density 1.3 T
Thiele and small parameters
Fs 35 Hz
Re 5.4 Ohm
Qes 0.28
Qms 10.60
Qts 0.27
Vas 211.8 dm^3 (7.48 ft^3)
Sd 1136 cm^2 (176.1 in^2)
Xmax (3) 9.50 mm
Xdamage (4) 17.5 mm
Mms 178.7 g
Bl 27.6 N/A
Le 1.6 mH
Mmd 156.8 g
Cms 0.12 mm/N
Rms 3.7 Kg/s
Eta Zero 3.17 %



Notes:
PATENTED IT 2006/000327
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Maximum power is defined as 3dB greater than nominal power.
(3) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(4) Maximum excursion before permanent damage
Quick acoustic specs
Nominal Impedance 8 Ohm
Minimum Impedance 6.6 Ohm
AES Power Handling (1) 1000 W
Sensitivity (1W/1m) 99 dB
Frequency Range 35÷1600 Hz
Flux Density 1.3 T
Fs 35 Hz
Re 5.4 Ohm
Qes 0.28
Qms 10.60
Qts 0.27
Vas 211.8 dm^3 (7.48 ft^3)
Sd 1136 cm^2 (176.1 in^2)
Xmax (2) 9.50 mm
Xdamage (3) 17.5 mm
Mms 178.7 g
Bl 27.6 N/A
Le 1.6 mH
Mmd 156.8 g
Cms 0.12 mm/N
Rms 3.7 Kg/s
Eta Zero 3.17 %



Note:
PATENTED IT 2006/000327
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(3) Maximum excursion before permanent damage
Quick mechanical specs
Nominal Diameter 460 mm (18 in)
Overall Diameter 460 mm (18.11 in)
Bolt Circle Diameter 440 mm (17.32 in)
Baffle Cutout Diameter 424 mm (16.69 in)
Depth 202 mm (7.95 in)
Flange and Gasket Thickness 13.9 mm (0.55 in)
Net Weight 6.1 Kg (13.4 lb)
Shipping Box
(Single Carton Box)
536 x 536 x 293 mm
(21.1 x 21.1 x 11.5 in)
Shipping Weight 7.4 Kg (16.3 lb)