B&C Speakers Coaxials 12CXN76 User manual

12CXN76 Coaxials
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
700 W continuous program power capacity
80° nominal coverage
45 – 18000 Hz response
99 dB sensitivity
Single Neodymium magnet assembly
Specifications
Nominal Diameter 320 mm (12 in)
Nominal Impedance 8 ohm
Minimum Impedance 6.5 ohm (LF)
8.0 ohm (HF)
Frequency Range 45 - 18000 Hz
Dispersion Angle (1) 80°
LF Unit
Sensitivity (1W/1m) (2) 99 dB
Nominal Power Handling (3) 350 W
Continuous Power Handling (4) 700 W
Voice Coil Diameter 76 mm (3 in)
Winding Material Copper
HF Unit
Sensitivity (1W/1m) (5) 105 dB
Nominal Power Handling (6) 80 W
Continuous Power Handling (7) 160 W
Voice Coil Diameter 75 mm (3 in)
Winding Material Aluminium
Diaphragm Material Polyester/Titanium
Recom. Crossover (8) 1.2 kHz
Parameters
Fs 42 Hz
Re 5.0 ohm
Qes 0.20
Qms 8.0
Qts 0.19
Vas 120 dm3 (4.2 ft3)
Sd 522 cm2 (80.9 in2)
Eta Zero 4.1 %
Xmax +/- 4 mm
Xvar +/- 6 mm
Mms 47 g
Bl 17.6 Txm
Le 0.8 mH
Mounting and Shipping Info
Overall Diameter 315 mm (12.4 in)
Bolt Circle Diameter 298 mm (11.7 in)
Baffle Cutout Diameter 282 mm (11.1 in)
Depth 168 mm (6.6 in)
Flange and Gasket Thickness 14 mm ( 0.55 in )
Net Weight 5.0 kg (11.0 lb)
Shipping Weight 5.9 kg (13.0 lb)
Shipping Box 380x380x240 mm
(15x15x9.4 in)
1Included by –6 dB down points, averaged from 1 kHz to 8 kHz

2Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.
32 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.
4Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
5Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.
62 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.
7Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
812 dB/oct. or higher slope high-pass filter.