B & C PROFESSIONAL COMPONENTS |
8CX21 - 8" COAXIAL SPEAKER |
SPEAKER
MODEL |
8CX21 |
SPECIFICATIONS |
|
Nominal
Basket Diameter |
8" |
Impedance |
8
ohms |
Frequency
Response |
75Hz
- 20kHz |
Dispersion | 100° |
LOW FREQUENCY WOOFER |
|
Sensitivity (1W/1m) | 94dB |
RMS
Power Rating |
200
Watts |
Program Power | 400 Watts |
Voice Coil Diameter |
2.0"
/ 50mm |
Winding Material | Copper |
HIGH FREQUENCY DRIVER |
|
Sensitivity (1W/1m) |
101dB |
RMS Power Rating | 25 Watts |
Program Power | 50 Watts |
Voice Coil Diameter | 1.4" / 36mm |
Winding Material | Aluminum |
Diaphragm Material | Mylar |
Max. Recom. Crossover | 2.2kHz |
MOUNTING INFORMATION |
|
Overall
Diameter |
8.8" / 225mm |
Bolt Circle Diameter | 8.3" / 210mm |
Baffle Cutout Diameter | 7.4" / 187mm |
Depth | 5.3" / 135mm |
Flange & Gasket Thickness | .5" / 12mm |
Net Weight | 8.8 lbs./ 4 kg. |
THIELE-SMALL PARAMETERS |
|
Resonant Frequency (fs) |
74 Hz |
Impedance
(Re) |
5.2 ohms |
Electrical Factor(Qes) | .39 |
Mechanical Q (Qms) | 4.1 |
Total Q (Qts) | .36 |
Compliance Equiv. Vol. (Vas) | 15.58 Liters/.55cu. ft. |
Voice Coil Overhang (Xmax) | 5.0mm |
Reference Efficiency | 1.5% |
BL Factor | 11.5 T-M |
Coil Inductance (Le) | 1.2mH |
US Speaker, LLC