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B&C Speakers 6NDL38 – 4 Ohm
6.5" midbass driver with neodymium magnet, aluminum basket and low distortion. Developed for applications where low weight, high efficiency and compact format are crucial – e.g. line arrays, monitors and custom builds.
Specifications
| Power endurance (AES) | 150W |
| Program effect | 300W |
| Impedance | 4 Ohms |
| Sensitivity | 91 dB (1W/1m) |
| Frequency range | 70 – 5000 Hz |
| Magnetic material | Neodymium |
| Basket material | Aluminum |
| Weight | ~1.2 kg |
Thiele/Small parameters
| Fs | 69 Hz |
| RE | 3.1 Ohms |
| Qms | 10.05 |
| Qes | 0.40 |
| Qts | 0.39 |
| Smile | 0.4 mH |
| BL | 7.8 T·m |
| Xmax | ±6mm |
| Xvar | ±5.5mm |
| Sd | 132 cm² |
| MMS | 18g |
| Vase | 7.1 liters |
| Efficiency | 0.55% |
Measure
| Outer diameter | 186.5 mm |
| Mounting holes | 145mm |
| Depth | 74mm |
| Front thickness | 11 mm |
| Voice coil | 38 mm (1.5") copper on Kapton |
| Flush depth | 12 mm |
| Air gap | 6mm |
| Magnetic flux density | 1.15 T |
| Surround material | Rubber |
| Conform | Exponential |
Italian-made driver with low distortion, high efficiency and robust construction – a first choice for compact speaker systems with demands for performance and reliability.