B&C 6NDL38 6.5 Neo Mid Bass

38 mm ( 1.5 in) copper voice coil* 70 - 6000 Hz response* 92 dB sensitivity* Neodymium magnet allows a very light yet powerful motor assembly* Aluminium demodulating ring allows a very low distortion figure* 300 W continuous program power capacity*
Nominal diameter: 170 mm ( 6.5 in)*
Nominal impedance: 8
Ohms* Minimum impedance: 6.0
Ohms* Nominal power handling: 150
W* Continuous power handling: 300
W* Sensitivity (1W / 1m): 92.0 dB*
Frequency range: 70 - 6000
Hz* Voice coil diameter: 38 mm ( 1.5 in)*
Winding material: Copper*
Former material: Kapton*
Winding depth: 12 mm ( 0.5 in)*
Magnetic gap depth: 6 mm ( 0.25 in)*
Flux density: 1.15
T* Surround shape: Roll*
Cone shape: Exponential*
Magnet material: Neodymium
Ring* Spider: Single*
Pole design: T-Pole*
Woofer cone treatment: WP Waterproof Front Side* Recommended enclosure: 9.0 dm3 ( 0.32 ft3)*
Recommended tuning: 62
Hz* Fs: 72
Hz* Re: 5.2
Ohms* Qes: 0.44 *
Qms: 11.5 *
Qts: 0.42 *
Vas: 7.0 dm3 ( 0.25 ft3)*
Sd: 132.0 cm2 ( 20.5 in2)* n 0: 0.
6 %* Xmax: 6.0 mm*
Xvar: 5.5 mm*
Mms: 17 g*
Bl: 9.5
Txm* Le: 0.6 mH*
EBP: 163 Hz* Mounting & Shipping Info* Overall diameter: 187 mm ( 7.4 in)*
Bolt circle diameter: 172 mm ( 6.7 in)*
Baffle cutout diameter: 145.0 mm ( 5.7 in)*
Depth: 85 mm ( 3.3 in)*
Flange & gasket thickness: 11 mm ( 0.4 in)*
Air volume occupied by driver: 0.63 dm3 ( 0.02 ft3)*
Net weight: 1.2 kg ( 2.6 lb)*
Shipping units: 1*
Shipping weight: 1.45 kg ( 3.2 lb)*
Shipping box: 221x214x130 mm ( 8.7 x 8.4 x 5.1 in)*
Service Kit: RCK06NDL388