B&C Speakers 320KC-4A – 4 Ohms
12" bicone full-range driver with ferrite magnet and cylindrical front profile. Developed for broadband applications where high sensitivity, low distortion and easy installation are crucial – e.g. column speakers, custom builds and industrial sound systems.
Specifications
| Power endurance (AES) | 120W |
| Impedance | 4 Ohms |
| Sensitivity | 101 dB (1W/1m) |
| Frequency range | 80 – 16000 Hz |
| Magnetic material | Ferrite |
| Basket material | Not specified |
| Weight | ~4.8 kg |
Thiele/Small parameters
| Fs | Not specified |
| RE | Not specified |
| Qms | Not specified |
| Qes | 0.52 |
| Qts | Not specified |
| Smile | Not specified |
| BL | Not specified |
| Sd | 522 cm² |
| Xmax | Not specified |
Measure
| Outer diameter | 316mm |
| Mounting holes | 286mm |
| Depth | 124mm |
| Front thickness | 12 mm |
| Voice coil | 1.5" copper |
| Front shape | Cylindrical |
Robust construction, wide frequency response and high sensitivity make the 320KC-4A an excellent choice for full-range solutions where simplicity and performance are prioritized.
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