The B&C 12NBX100-4 12" speaker's cast aluminum basket is designed to effectively dissipate heat during demanding use at full power, reducing power compression. Usefully lightweight thanks to its high-energy neodymium magnet, the 12NBX100 is recommended for compact two-way pro speaker systems in which power is limited to 1,000 watts RMS or 2,000 watts program.
Power Handling (RMS)1,000 Watts
Power Handling (max)2000 Watts
Frequency Response40 to 1,500 Hz
Sensitivity94 dB 1W/1m
Voice Coil Diameter4"
Resonant Frequency (Fs)40 Hz
DC Resistance (Re)3.6 ohms
Voice Coil Inductance (Le)1.35 mH
Mechanical Q (Qms)7.05
Electromagnetic Q (Qes)0.23
Total Q (Qts)0.22
Compliance Equivalent Volume (Vas)1.65 ft.³
Mechanical Compliance of Suspension (Cms)0.117 mm/N
BL Product (BL)23.04 Tm
Diaphragm Mass Inc. Airload (Mms)135g
Maximum Linear Excursion (Xmax)9.5 mm
Surface Area of Cone (Sd)531 cm²
Materials of Construction
Cone MaterialCoated Paper
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Overall Outside Diameter12.6"
Baffle Cutout Diameter11"
Bolt Circle Diameter11.8"
# Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)