B&C 8NDL64

Specifications:
 

• Nominal diameter 200 mm (8.0 in)
• Nominal impedance 8 ohms
• Minimum impedance 7.2 ohms
• Nominal power handling 350 W
• Continuous power handling 700 W
• Sensitivity (1W/1m) 97.0 dB
• Frequency range 80 - 4000 Hz
• Voice coil diameter 64 mm (2.5 in)
• Winding material Copper
• Former material Glass Fibre
• Winding depth 14 mm (0.55 in)
• Magnetic gap depth 8 mm (0.31 in)
• Flux density 1.25 T

Design:
 

• Surround shape Double Roll
• Cone shape Exponential
• Magnet material Neodymium Inside Slug
• Spider Single
• Pole design T-Pole
• Woofer cone treatment WP Waterproof Front Side
• Recommended enclosure 10.0 dm3 (0.35 ft3)
• Recommended tuning 85 Hz

Parameters:
 

• Fs 80 Hz
• Re 5.4 ohms
• Qes 0.24
• Qms 11.0
• Qts 0.25
• Vas 10.0 dm3 (0.35 ft3)
• Sd 220.0 cm2 (34.1 in2) Reference efficiency 1.9 %
• Xmax 4.5 mm
• Xvar 5.0 mm
• Mms 28 g
• Bl 17.5 Txm
• Le 0.62 mH
• EBP 333 Hz

Mounting And Shipping Info:
 

• Overall diameter 225 mm (8.8 in)
• Bolt circle diameter 210 mm (8.3 in)
• Baffle cutout diameter 187.0 mm (7.4 in)
• Depth 95 mm (3.74 in)
• Flange and gasket thickness 10 mm (0.39 in)
• Air volume occupied by driver 1.5 dm3 (0.05 ft3)
• Net weight 2.8 kg (6.17 lb)
• Shipping weight 3.2 kg (7.05 lb)
• Shipping box 300x160x180 mm (11.8x6.3x7.1 in)
• Service Kit RCK008NDL648