B&C Speakers Coaxials 12 CX B Specifications

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

99 dB

Power Handling

(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

104.5 dB

Power Handling

(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