B&C Speakers Mid-Bass 10NDL64 Specification

10NDL64
Mid-Bass
500 W continuous program power capacity
64 mm (2.5 in) aluminium voice coil
Neodymium magnet allows a very light yet powerful motor assembly
Ventilated voice coil gap for reduced power compression
50 – 3000 Hz response
97 dB sensitivity
Specification
Nominal Diameter 250 (10) mm (in)
Nominal Impedance (1)
Minimum Impedence
Nominal Power Handling (2)
Continuous Power Handling (3)
Sensitivity (1W/1m) (4)
Frequency Range 50 - 3000 Hz
Voice Coil Diameter 64 (2.5) mm (in)
Winding Material
Former Material
Winding Depth 14 (0.55) mm (in)
Magnetic Gap Depth 8 (5/16) mm (in)
Flux Density
Thiele & Small Parameters
Fs
Re
Qes
Qms
Qts
Vas 31 (1.1) dm3 (ft3)
Sd 320 (50) cm2 (in2)
Eta Zero
Xmax
Xvar
Mms
Bl
Le
Mounting and Shipping Info
Overall Diameter 261 mm (10.3 in)
Bolt Circle Diameter 245 mm (9.6 in)
Baffle Cutout Diameter 230 mm (8.8 in)
Depth 113 mm (4.4 in)
Flange and Gasket Thickness 13 mm (0.5 in)
Net Weight 2.9 kg (6.4 lb)
Shipping Weight 3.5 kg (7.7 lb)
Shipping Box 330x330x160 mm
(13x13x6.3 in)
1 For different impedances, please ask.
2 2 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3 Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4 Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance
8 Ohm
7 Ohm
250 W
500 W
97 dB
Aluminium
Glass Fibre
1.25 T
56 Hz
5.7 Ohm
0.29
3.4
0.26
1.8 %
+/- 6 mm
+/- 7 mm
37 g
16.2 Txm
0.9 mH