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W12N8-200 { 12" - 200 W - 99 dB - 8 Ohm }
Available Impedance: 8 Ohm
Nominal Specifications
Nominal Diameter 300 mm (12 in)
Overall Diameter 315.2 mm (12.4 in)
Bolt Circle Diameter 298.5 mm (11.75 in)
Baffle Cutout Diameter 283.5 mm (11.16 in)
Depth 140.6 mm (5.54 in)
Flange and Gasket Thickness 12.1 mm (0.48 in)
Net Weight 2.4 Kg (5.3 lb)
Shipping Box
(Single Carton Box)
350 x 350 x 200 mm
(13.8 x 13.8 x 7.9 in)
Shipping Weight 3 Kg (6.6 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 6.1 Ohm
AES Power Handling (1) 200 W
Maximum Power Handling (2) 400 W
Sensitivity (1W/1m) 99 dB
Frequency Range 50÷5000 Hz
Voice Coil Diameter 65 mm (2.5 in)
Winding Material Al
Former Material Glass Fiber
Winding Depth 12.5 mm (0.49 in)
Magnetic Gap Depth 8 mm (0.31 in)
Flux Density 1.2 T
Thiele and small parameters
Fs 50 Hz
Re 5.4 Ohm
Qes 0.40
Qms 7.2
Qts 0.38
Vas 77.3 dm^3 (2.73 ft^3)
Sd 490.4 cm^2 (76 in^2)
Xmax (3) 4.92 mm
Xdamage (4) 14 mm
Mms 44.7 g
Bl 13.7 N/A
Le 0.56 mH
Mmd 39.2 g
Cms 0.22 mm/N
Rms 2.02 Kg/s
Eta Zero 2.32 %



Notes:
(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 6.1 Ohm
AES Power Handling (1) 200 W
Sensitivity (1W/1m) 99 dB
Frequency Range 50÷5000 Hz
Flux Density 1.2 T
Fs 50 Hz
Re 5.4 Ohm
Qes 0.40
Qms 7.2
Qts 0.38
Vas 77.3 dm^3 (2.73 ft^3)
Sd 490.4 cm^2 (76 in^2)
Xmax (2) 4.92 mm
Xdamage (3) 14 mm
Mms 44.7 g
Bl 13.7 N/A
Le 0.56 mH
Mmd 39.2 g
Cms 0.22 mm/N
Rms 2.02 Kg/s
Eta Zero 2.32 %



Note:
(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 300 mm (12 in)
Overall Diameter 315.2 mm (12.4 in)
Bolt Circle Diameter 298.5 mm (11.75 in)
Baffle Cutout Diameter 283.5 mm (11.16 in)
Depth 140.6 mm (5.54 in)
Flange and Gasket Thickness 12.1 mm (0.48 in)
Net Weight 2.4 Kg (5.3 lb)
Shipping Box
(Single Carton Box)
350 x 350 x 200 mm
(13.8 x 13.8 x 7.9 in)
Shipping Weight 3 Kg (6.6 lb)