The RCF MB12N301 is a lightweight yet powerful 12-inch neodymium mid-bass driver, designed for high efficiency and excellent linearity. It features a 3.0-inch aluminum voice coil for superior heat dissipation, dual-forced air ventilation to minimize power compression, and an M-roll surround with exponential cone geometry for precise audio reproduction. Its hyper-vented aluminum basket and optimized magnet assembly ensure exceptional thermal management, making it ideal for demanding professional audio applications.
Product Specifications:
Nominal Diameter: 12 inches
Rated Impedance: 8 ohms
Program Power: 1000W
Power Handling: 500W
Sensitivity: 98.5 dB
Frequency Range: 50 – 3000 Hz
Voice Coil & Magnet
Voice Coil Diameter: 3.0 inches
Winding Material: Aluminum
Coil Length: 0.67 inches
Layers: Inside/Outside (2 layers)
Magnet Type: Neodymium
Top Plate Thickness: 0.39 inches
Dual-Force Air Ventilation: Yes
Mechanical Design
Cone Design: Curved
Surround Material: Polycotton
Surround Design: M-Roll
Spider: 01
Max. Excursion Before Damage: 1.34 inches
Thiele-Small Parameters
Resonance Frequency (Fs): 54 Hz
DC Resistance (Re): 5.80 ohms
Mechanical Q (Qms): 3.10
Electrical Q (Qes): 0.26
Total Q (Qts): 0.24
BL Factor: 19.00 T·m
Effective Moving Mass (Mms): 48 g
Equivalent Compliance Volume (Vas): 71 liters
Max Linear Excursion (Xmax): 6 mm
Mounting & Dimensions (in inches)
Overall Diameter: 12.6 inches
Mounting Bolt Circle: 11.61 – 11.97 inches
Front/Rear Mount Baffle Cut-Out: 11.34 inches
Height: 5.75 inches
Weight: 7.5 lbs
Shipping Dimensions (in inches)
Package Height: 7.64 inches
Package Width: 14.33 inches
Package Depth: 13.94 inches
Package Weight: 9.26 lbs
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