B&C Speakers 15NW76 User manual

15NW76 Woofer
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
1200 W continuous program power capacity
76 mm (3 in) copper voice coil
40 – 2000 Hz response
100.5 dB sensitivity
Aluminium demodulating ring allows a very low distortion figure
Neodymium ring magnet assembly
Double silicone spider and ventilated voice coil gap
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
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
(16.5x16.5x7.9 in)
1For different impedances, please ask.
22 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance