The 8MBX51 8" mid-bass woofer from B&C Speakers offers acoustic designers a high efficiency, wide bandwidth driver capable of surprising output levels. This full-featured transducer incorporates a lightweight neodymium motor, inside/outside wound copper clad aluminum wire voice coil, weatherproof hydrophobic paper cone, and a symmetrical inductance profile. Everything about this driver has been designed for reliable and consistent low distortion output even when driven to its limit. All MBX Series drivers are especially well suited for 2-way loudspeaker designs.
Power Handling (RMS)200 Watts
Power Handling (max)400 Watts
Frequency Response60 to 4,000 Hz
Sensitivity96.5 dB 1W/1m
Voice Coil Diameter2"
Resonant Frequency (Fs)60 Hz
DC Resistance (Re)4.9 ohms
Voice Coil Inductance (Le)0.4 mH
Mechanical Q (Qms)5.60
Electromagnetic Q (Qes)0.31
Total Q (Qts)0.29
Compliance Equivalent Volume (Vas)0.81 ft.³
BL Product (BL)11.4 Tm
Diaphragm Mass Inc. Airload (Mms)20g
Maximum Linear Excursion (Xmax)8 mm
Surface Area of Cone (Sd)220 cm²
Materials of Construction
Cone MaterialTreated Paper
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Overall Outside Diameter8.86"
Baffle Cutout Diameter7.36"
Bolt Circle Diameter8.27"
# Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)