|
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 | 9.04 lbs./ 4.1 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