B&C Speakers 12 CX B User Manual
Speakers
Coaxials
HF Compression drivers Horns
1
B&C
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
8
Ω
Minimum Impedance
6.3
Ω (LF), 7.2 Ω (HF)
Frequency Range
55 – 18000 Hz
Dispersion Angle1
90°
LF unit
Sensitivity (1W/1m)2
Sensitivity (1W/1m)2
99 dB
Power Handling
(60 –600 Hz)
Nominal3
(60 –600 Hz)
Nominal3
250 W
Continuous Program4
500 W
Voice Coil Diameter
65 mm. (2.5 in.)
Winding Material
Copper
HF unit
Sensitivity (1W/1m)5
Sensitivity (1W/1m)5
104.5 dB
Power Handling
(2200 –20000 Hz)
Nominal 30
(2200 –20000 Hz)
Nominal 30
W
Continuous Program
60 W
Voice Coil Diameter
44 mm. (1.75 in.)
Winding Material
Aluminium
Diaphragm Material
Mylar
Min. Recom. Crossover6
1.8 kHz
Thiele & Small Parameters
7
Fs
54 Hz
Re
5.5
Ω
Qes
0.37
Qms
7.2
Qts
0.35
Vas
94.6 dm.3 (3.3 cu. ft.)
Sd
522 cm.2 (80.9 sq. in.)
η0
3.8 %
X max
± 2.6 mm.
Mms
35 gr.
Bl
13.4 Tm
Le
1.2 mH
12 CX B
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Coaxials
Progetto3 7-01-2005 15:25 Pagina 1