B&C 12NW100 - 4 Ohm

Specifications

• Nominal diameter 320 mm (12.0 in)
• Nominal impedance 4 ohms
• Nominal power handling 1000 W
• Continuous power handling 2000 W
• Sensitivity (1W/1m) 96.0 dB
• Frequency range 45 - 1500 Hz
• Voice coil diameter 100 mm (4.0 in)
• Winding material Copper
• Former material Glass Fibre
• Winding depth 25 mm (1.0 in)
• Magnetic gap depth 12 mm (0.5 in)

Design

• Surround shape Triple Roll
• Cone shape Radial
• Magnet material Neodymium Inside Slug
• Spider Double Silicone
• Pole design T-Pole
• Woofer cone treatment TWP Waterproof Both Sides
• Recommended enclosure 50.0 dm3 (1.77 ft3)
• Recommended tuning 50 Hz

Parameters

• Resonance Frequency 42 Hz
• Re 5.1 O
• Qes 0.21
• Qms 3.6
• Qts 0.2
• Vas 44.0 dm3 (1.5 ft3)
• Sd 531.0 cm2 (82.3 in2)
• ?0 1.7 %
• Xmax 9.0 mm
• Maximum Excursion 10.0 mm
• Mms 119.0 g
• Bl 28.0 Txm
• Le 1.9 mH
• EBP 209 Hz

Mounting and Shipping Info

• Overall diameter 319 mm (12.5 in)
• Bolt circle diameter 299 mm (11.8 in)
• Baffle cutout diameter 281.0 mm (11.1 in)
• Depth 137 mm (5.4 in)
• Flange and gasket thickness 13 mm (0.5 in)
• Air volume occupied by driver 2.7 dm3 (0.09 ft3)
• Net weight 8.2 kg (18.0 lb)
• Shipping weight 8.9 kg (19.6 lb)
• Shipping box 340x340x170 mm (13.4x13.4x6.7 in)