B & C PROFESSIONAL COMPONENTS |
8FCX51 - 8" COAXIAL SPEAKER |
SPEAKER
MODEL |
8FCX51 |
SPECIFICATIONS |
|
Nominal
Basket Diameter |
8" |
Impedance |
8
ohms |
Frequency
Response |
69Hz
- 18kHz |
Dispersion | 100° |
LOW FREQUENCY WOOFER |
|
Sensitivity (1W/1m) | 96dB |
RMS
Power Rating |
250
Watts |
Program Power | 500 Watts |
Voice Coil Diameter |
2.0"
/ 50mm |
Winding Material | Aluminum |
HIGH FREQUENCY DRIVER |
|
Sensitivity (1W/1m) |
104dB |
RMS Power Rating | 50 Watts |
Program Power | 100 Watts |
Voice Coil Diameter | 1.7" / 44mm |
Winding Material | Aluminum |
Diaphragm Material | Polyimides |
Max. Recom. Crossover | 1.8kHz |
MOUNTING INFORMATION |
|
Overall
Diameter |
8.8" / 225mm |
Bolt Circle Diameter | 8.3" / 210mm |
Baffle Cutout Diameter | 7.4" / 187mm |
Depth | 4.64" / 118mm |
Flange & Gasket Thickness | .37" / 10mm |
Net Weight | 11.2 lbs./ 5.1 kg. |
Shipping Weight | 12.3 lbs./ 5.6 kg |
THIELE-SMALL PARAMETERS |
|
Resonant Frequency (fs) |
69 Hz |
Impedance
(Re) |
4.9 ohms |
Electrical Factor(Qes) | .36 |
Mechanical Q (Qms) | 6.3 |
Total Q (Qts) | .34 |
Compliance Equiv. Vol. (Vas) | 16 Liters/.56cu. ft. |
Voice Coil Overhang (Xmax) | 6.5mm |
Reference Efficiency | 1.4% |
BL Factor | 11.5 T-M |
Diaphragm Mass(Mms) | 22 Grams |
Surface Area of Cone (Sd)m2 | 0.0220m2 |
Coil Inductance (Le) | .9mH |
FREQUENCY RESPONSE |
|
IMPEDANCE | |
LOW FREQUENCY DIRECTIVITY | |
HIGH FREQUENCY DIRECTIVITY | |
POLAR RESPONSE | |
PREDICTED FREQUENCY RESPONSE | |
US Speaker, LLC