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18XL1800 { 18" - 1600 W - 95 dB - 8 Ohm }
Available Impedance: 8 Ohm
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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 233 mm (9.17 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 10.2 kg (22.5 lb)
Shipping Box
(Single Carton Box)		 490 x 485 x 275 mm
(19.3 x 19.1 x 10.8 in)
Shipping Weight 11.7 kg (25.8 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 6.7 Ohm
AES Power Handling (1) 1600 W
Maximum Power Handling (2) 3200 W
Sensitivity (1W/1m) 95 dB
Frequency Range 30÷1600 Hz
Voice Coil Diameter 100 mm (4 in)
Winding Material Cu
Former Material Glass Fiber
Winding Depth 45 mm (1.77 in)
Magnetic Gap Depth 14 mm (0.55 in)
Flux Density 1.15 T
Magnet Neodymium Sectors
Basket Material Aluminum
Demodulation Aluminum Ring
Cone Surround (3) Triple Roll
NET Air Volume filled by Loudspeaker 7.3 dm^3 (0.258 ft^3)
Spider Profile 2x non-adjacent symmetrical constant height waves
Thiele and small parameters
Fs 29 Hz
Re 5.35 Ohm
Qes 0.42
Qms 9.9
Qts 0.4
Vas 215.5 dm^3 (7.61 ft^3)
Sd 1187 cm^2 (183.99 in^2)
Xmax (4) 20.17 mm
Xdamage (5) 36 mm
Mms 275.0 g
Bl 25.4 N/A
Le 2.04 mH
Mmd 228.8 g
Cms 0.11 mm/N
Rms 5.1 kg/s
Eta Zero 1.24 %
EBP 69 Hz


PART NUMBER (P/N)
Push Terminals - 8 Ohm Version 04604223



Notes:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Maximum power is defined as 3dB greater than nominal power.
(3) Treated Polycotton
(4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(5) Maximum excursion before permanent damage
Quick acoustic specs
Nominal Impedance 8 Ohm
Minimum Impedance 6.7 Ohm
AES Power Handling (1) 1600 W
Sensitivity (1W/1m) 95 dB
Frequency Range 30÷1600 Hz
Flux Density 1.15 T
Magnet Neodymium Sectors
Demodulation Aluminum Ring
Cone Surround (2) Triple Roll
Fs 29 Hz
Re 5.35 Ohm
Qes 0.42
Qms 9.9
Qts 0.4
Vas 215.5 dm^3 (7.61 ft^3)
Sd 1187 cm^2 (183.99 in^2)
Xmax (3) 20.17 mm
Xdamage (4) 36 mm
Mms 275.0 g
Bl 25.4 N/A
Le 2.04 mH
Mmd 228.8 g
Cms 0.11 mm/N
Rms 5.1 kg/s
Eta Zero 1.24 %
EBP 69 Hz



Note:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Treated Polycotton
(3) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(4) 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 233 mm (9.17 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 10.2 kg (22.5 lb)
Shipping Box
(Single Carton Box)		 490 x 485 x 275 mm
(19.3 x 19.1 x 10.8 in)
Shipping Weight 11.7 kg (25.8 lb)