B&C Speakers Coaxials 8CXT User manual

8CXT Coaxials
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
400 W continuous program power capacity
100° nominal coverage
75 – 20000 Hz response
94 dB sensitivity
Specifications
Nominal Diameter 210 mm (8 in)
Nominal Impedance 8 ohm
Minimum Impedance 6.3 ohm (LF)
7.7 ohm (HF)
Frequency Range 75-20000 Hz
Dispersion Angle (1) 100°
LF Unit
Sensitivity (1W/1m) (2) 94 dB
Nominal Power Handling (3) 200 W
Continuous Power Handling (4) 400 W
Voice Coil Diameter 52 mm (2 in)
Winding Material Copper
HF Unit
Sensitivity (1W/1m) (5) 103 dB
Nominal Power Handling (6) 50 W
Continuous Power Handling (7) 100 W
Voice Coil Diameter 44 mm (1.7 in)
Winding Material Aluminium
Diaphragm Material Titanium
Recom. Crossover (8) 2 kHz
Parameters
Fs 76 Hz
Re 5.1 ohm
Qes 0.36
Qms 5
Qts 0.34
Vas 11.5 dm3 (0.4 ft3)
Sd 220 cm2 (34.1 in2)
Eta Zero 1.4 %
Xmax +/- 6 mm
Mms 25 g
Bl 13 Txm
Le 1.0 mH
Mounting and Shipping Info
Overall Diameter 225 mm (8.8 in)
Bolt Circle Diameter 210 mm (8.3 in)
Baffle Cutout Diameter 187 mm (7.4 in)
Depth 129 mm (5.1 in)
Flange and Gasket Thickness 11 mm ( 0.4 in )
Net Weight 3.9 kg (8.6 lb)
1Included by –6 dB down points, averaged from 1 kHz to 8 kHz with B&C
XO-1 crossover filter.
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.