B&C Speakers 15NW76 User Manual

Specification

Nominal Diameter 380 (15) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 6.9 Ohm
Nominal Power Handling (2) 600 W
Continuous Power Handling (3) 1200 W
Sensitivity (1W/1m) (4) 100.5 dB
Frequency Range 40 - 2000 Hz
Voice Coil Diameter 76 (3) mm (in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 19 (3/4) mm (in)
Magnetic Gap Depth 11 (7/16) mm (in)
Flux Density 1.3 T

Thiele & Small Parameters

Fs 42 Hz
Re 5.3 Ohm
Qes 0.23
Qms 4.3
Qts 0.22
Vas 130 (4.5) dm3 (ft3)
Sd 855 (132.5) cm2 (in2)
Eta Zero 4.4 %
Xmax +/- 8 mm
Xvar +/- 10 mm
Mms 104 g
Bl 25.5 Txm
Le 1.25 mH

15NW76

Aluminium demodulating ring allows a very low distortion figure

Woofer

1200 W continuous program power capacity

76 mm (3 in) copper voice coil

40 – 2000 Hz response

100.5 dB sensitivity

Neodymium ring magnet assembly

Double silicone spider and ventilated voice coil gap

LF Drivers LF Nd Drivers Coaxials HF Drivers Horns

Mounting and Shipping Info

Overall Diameter 393 mm (15.5 in)
Bolt Circle Diameter 374 mm (14.7 in)
Baffle Cutout Diameter 354 mm (13.9 in)
Depth 177 mm (7.0 in)
Flange and Gasket Thickness 16 mm (5/8 in)
Net Weight 5.6 kg (12.3 lb)
Shipping Weight 7.0 kg (15.4 lb)
Shipping Box 420x420x200 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

(16.5x16.5x7.9 in)