B&C Speakers 10NW64 User Manual

Specification

Nominal Diameter 250 (10) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 6.5 Ohm
Nominal Power Handling (2) 300 W
Continuous Power Handling (3) 600 W
Sensitivity (1W/1m) (4) 96 dB
Frequency Range 50 - 2500 Hz
Voice Coil Diameter 64 (2.5) mm (in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 16 (5/8) mm (in)
Magnetic Gap Depth 8 (5/16) mm (in)
Flux Density 1.25 T

Thiele & Small Parameters

Fs 50 Hz
Re 5.2 Ohm
Qes 0.27
Qms 4.5
Qts 0.26
Vas 27.5 (0.95) dm3 (ft3)
Sd 320 (50) cm2 (in2)
Eta Zero 1.3 %
Xmax +/- 8 mm
Xvar +/- 10 mm
Mms 47 g
Bl 17.5 Txm
Le 0.47 mH

10NW64

Neodymium magnet allows a very light yet powerful motor assembly

Ventilated voice coil gap for reduced power compression

Woofer

600 W continuous program power capacity

64 mm (2.5 in) copper voice coil

50 – 2500 Hz response

96 dB sensitivity

Shorting copper cap for extended HF response

LF Drivers LF Nd Drivers Coaxials HF Drivers Horns

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

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

(13x13x6.3 in)