B&C 8CX21
8" + 1" coax unit, 65/44mm voice coil,
high efficiency , high power handling and
75-20000 Hz freq. response.
| TECHNICAL DATA | 8CX21 |
| Nominal diameter | 8" , 210 mm |
| Nominal impedance | 8 ohms |
| Power handling , RMS | 200 W |
| Power handling ,cont.program | 400 W |
| Sensitivity (1W – 1m) | 94 dB |
| Frequency range | 75 - 20 kHz |
| Voice coil diameter | 51 + 36 mm |
| Resonance frequency , Fs | 74 Hz |
| DC resistance , Re | 5.2 ohms |
| Electrical Q factor , Qes | 0.39 |
| Mechanical Q factor , Qms | 4.1 |
| Total Q factor , Qts | 0.36 |
| Volume equivalent of air , VAS | 15 l |
| Effective piston area , Sd | 220 cm2 |
| Linear excursion , X max | 10 mm |
| Moving mass , Mms | 21 g |
| Force factor , BL | 11.5 Tm |
| Voice coil inductance , Le | 1.2 mH |
| Baffle cutout diam. | 187 mm |
| Net weight | 4.0 kg |