B&C Speakers Coaxials 12 CX B Specifications

12 CX B |
Coaxials
Thanks to its power handling, very good output
level over a wide frequency range and excellent
dispersion, this 12" coaxial transducer allows for
high quality performance in compact cabinets

Specifications

Nominal Diameter 320 mm. (12 in.)
Nominal Impedance
6.3 Ω (LF), 7.2 Ω (HF)
Minimum Impedance
Frequency Range 55 – 18000 Hz
Dispersion Angle 1
LF unit
Sensitivity (1W/1m) 2
Power Handling
(60 –600 Hz)
Nominal 3
Continuous Program 4
Voice Coil Diameter 65 mm. (2.5 in.)
Winding Material
HF unit
Sensitivity (1W/1m) 5
Power Handling
(2200 –20000 Hz)
Nominal
Continuous Program
Voice Coil Diameter 44 mm. (1.75 in.)
Winding Material Aluminium
Diaphragm Material
Min. Recom. Crossover 6
7
Thiele & Small Parameters
Fs
Re
Qes
Qms
Qts
Vas 94.6 dm.3 (3.3 cu. ft.)
Sd 522 cm.2 (80.9 sq. in.)
η 0
X max
Mms
Bl
Le
8 Ω
90°
99 dB
250 W
500 W
Copper
104.5 dB
30 W
60 W
Mylar
1.8 kHz
54 Hz
5.5 Ω
0.37
7.2
0.35
3.8 %
± 2.6 mm.
35 gr.
13.4 Tm
1.2 mH
1