B&C Speakers 10NCX User Manual

10NCX

Coaxials

400 W continuous program power capacity

70° nominal coverage

60 – 18000 Hz response

94 dB sensitivity

Single Neodymium magnet assembly

XO-5 dedicated crossover network

LF Drivers LF Nd Drivers Coaxials HF Drivers Horns

Specifications

Nominal Diameter 250 mm (10 in)
Nominal Impedance 8 ohm
Minimum Impedance 6.8 ohm (LF)

7.3 ohm (HF)
Frequency Range 60 - 18000 Hz
Dispersion Angle (1) 70°
LF Unit
Sensitivity (1W/1m) (2) 94 db
Nominal Power Handling (3) 200 W
Continuous Power Handling (4) 400 W
Voice Coil Diameter 65 mm (2.5in)
Winding Material Aluminium
HF Unit
Sensitivity (1W/1m) (5) 106 dB
Nominal Power Handling (6) 50 W
Continuous Power Handling (7) 100 W
Voice Coil Diameter 65 mm (2.5 in)
Winding Material Aluminium
Diaphragm Material Titanium
Recom. Crossover (8) 1.2 kHz

Parameters

Fs 57 Hz
Re 5.6 ohm
Qes 0.35
Qms 3.7
Qts 0.32
Vas 40 dm3 (1.4 ft3)
Sd 320 cm2 (49.1 in2)
Eta Zero 2.0 %
Xmax +/- 3 mm
Xvar +/- 6 mm
Mms 28 g
Bl 12.7 Txm
Le 1.2 mH

Mounting and Shipping Info

Overall Diameter 262 mm (10.3 in)
Bolt Circle Diameter 245 mm (9.6 in)
Baffle Cutout Diameter 230 mm (8.8 in)
Depth 144 mm (5.7 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 3.9 kg (8.6 lb)
Shipping Weight 4.6 kg (10.1 lb)
Shipping Box 320x320x160 mm

(12x12x6.3 in)

Crossover

Model XO-5
Filter Type Two way
Nominal Impedance 8 Ohm
Crossover Frequency 1.5 kHz
Slope 12 dB/oct. (Low)

Overall Dimensions 117x105 mm (4.6x4.1 in)
Weight 0.6 kg (1.3 lb)

1

Included by –6 dB down points, averaged from 1 kHz to 8 kHz with B&C
XO-5 crossover filter.

2

Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.

3

2 hours test made with continuous pink noise signal (6 dB crest factor)
within the specified range . Power calculated on rated minimum
impedance. Loudspeaker in free air.

4

Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.

5

Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.

6

2 hours test made with continuous pink noise signal (6 dB crest factor)
within the specified range . Power calculated on rated minimum
impedance. Loudspeaker in free air.

7

Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.

8

12 dB/oct. or higher slope high-pass filter.

12 db/oct. (High)