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18XL1500 { 18" - 1500 W - 98 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 422 mm (16.61 in)
Depth 231 mm (9.09 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 10.5 Kg (23.1 lb)
Shipping Box
(Single Carton Box)
536 x 536 x 310 mm
(21.1 x 21.1 x 12.2 in)
Shipping Weight 12 Kg (26.4 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 7.4 Ohm
AES Power Handling (1) 1500 W
Maximum Power Handling (2) 3000 W
Sensitivity (1W/1m) 98 dB
Frequency Range 30÷1500 Hz
Voice Coil Diameter 100 mm (4 in)
Winding Material Cu
Former Material Glass Fiber
Winding Depth 31 mm (1.22 in)
Magnetic Gap Depth 15.5 mm (0.61 in)
Flux Density 1.1 T
Thiele and small parameters
Fs 31 Hz
Re 5.4 Ohm
Qes 0.33
Qms 7.40
Qts 0.31
Vas 205 dm^3 (7.24 ft^3)
Sd 1174 cm^2 (182 in^2)
Xmax (3) 12.90 mm
Xdamage (4) 28 mm
Mms 236 g
Bl 28.1 N/A
Le 1.45 mH
Mmd 213 g
Cms 0.1 mm/N
Rms 6.5 Kg/s
Eta Zero 2 %



Notes:
PATENT PENDING
[Al] demodulation ring for reduced total harmonic distorsion
(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 7.4 Ohm
AES Power Handling (1) 1500 W
Sensitivity (1W/1m) 98 dB
Frequency Range 30÷1500 Hz
Flux Density 1.1 T
Fs 31 Hz
Re 5.4 Ohm
Qes 0.33
Qms 7.40
Qts 0.31
Vas 205 dm^3 (7.24 ft^3)
Sd 1174 cm^2 (182 in^2)
Xmax (2) 12.90 mm
Xdamage (3) 28 mm
Mms 236 g
Bl 28.1 N/A
Le 1.45 mH
Mmd 213 g
Cms 0.1 mm/N
Rms 6.5 Kg/s
Eta Zero 2 %



Note:
PATENT PENDING
[Al] demodulation ring for reduced total harmonic distorsion
(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 422 mm (16.61 in)
Depth 231 mm (9.09 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 10.5 Kg (23.1 lb)
Shipping Box
(Single Carton Box)
536 x 536 x 310 mm
(21.1 x 21.1 x 12.2 in)
Shipping Weight 12 Kg (26.4 lb)