B&C Speakers Mid-Bass 10NDL64 Leaflet

500 W continuous program  power capacity

64 mm (2.5 in) aluminium voice coil

50 – 3000 Hz response

97 dB sensitivity

Neodymium magnet allows a very light yet powerful motor assembly

Ventilated voice coil gap for reduced power compression

Nominal Diameter

250 (10) mm (in)

Nominal Impedance (1)

8 Ohm

Minimum Impedence

7 Ohm

Nominal Power Handling (2)

250 W

Continuous  Power Handling (3)

500 W

Sensitivity (1W/1m) (4)

97 dB

Frequency Range

50 - 3000 Hz

Voice Coil Diameter

64 (2.5) mm (in)

Winding Material

Aluminium 

Former Material

Glass Fibre 

Winding Depth

14 (0.55) mm (in)

Magnetic Gap Depth

8 (5/16) mm (in)

Flux Density

1.25 T

Fs

56 Hz

Re

5.7 Ohm

Qes

0.29 

Qms

3.4 

Qts

0.26 

Vas

31 (1.1) dm3 (ft3)

Sd

320 (50) cm2 (in2)

Eta Zero

1.8 %

Xmax

+/- 6 mm

Xvar

+/- 7 mm

Mms

37 g

Bl

16.2 Txm

Le

0.9 mH

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