- 3-inch, fibreglass inside/outside copper voice coil
- 1000W continuous program power handling
- 98.0 dB Sensitivity
- 45 Hz – 2.5 kHz Frequency range
- Dual Forced Hyperventing System
- M-roll surround and exponential cone geometry
The MB12X301 is designed to provide an excellent frequency response linearity with very low distortion. A strong magnetic structure guarantee dynamic and precision. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling. M-roll surround, exponential cone geometry and spider design offer great linearity and precise reproduction.
- General specifications
- Nominal Diameter: 12 inch / 305 mm
- Rated Impedance: 8 ohm
- Program Power: 1000 W
- Power handling capacity: 500 W
- Sensitivity: 98.0 dB
- Frequency range: 45 – 2500 Hz
- Effective piston diameter: 260 mm / 10.24 inch
- Max. Excursion Before Damage: 39 mm / 1.54 inch
- Minimim Impedance: 6.7 ohm
- Voice Coil Diameter: 3.0 inch / 76 mm
- Voice Coil Winding Material: Copper
- Voice Coil Length: 17 mm / 0.67 inch
- Number of layers: 2
- Kind of layers: inside/outside
- Top Plate Thickness: 10 mm / 0.39 inch
- Cone Design: Curved
- Surround Material: Polycotton
- Surround Design: M-roll
- Magnets: Ceramic
- Hypervented magnetic structure: Yes
- Spider: Single
- Thiele – small parameters
- Resonance frequency (Fs): 50 Hz
- DC resistance (Re): 5.40 ohm
- Mechanical factor: 9.00 Qms
- Electrical factor (Qes): 0.30 Qes
- Total factor: 0.29 Qts
- BL factor (BL): 18.00 T x m
- Effective moving mass (Mms): 57.0 g
- Equivalent Cas air loaded (Vas): 70.0 liters
- Effettive piston area (Sd): 0.050 m2
- Max. linear excursion (Xmax): 6.0 mm
- Voice coil inductance @ 1kHz (Le1k): 0.60 mH
- Half-space efficency (Eff): 2.80%
- Mounting Information
- Overall diameter: 320 mm / 12.6 inches
- Bolt circle diameter: 293-304 mm / 11.54-11.97 inch
- Bolt hole diameter: 7 mm / 0.28 inch
- Front mount baffle cut-out: 282 mm / 11.1 inch
- Rear mount baffle cut-out: 284 mm / 11.18 inch
- Volume occupied by the driver: 2.2 liters / 0.09 ft3
- Standard compliance
- CE marking: Yes
- Size
- Weight: 7.57 kg / 16.69 lbs
- Height: 143 mm / 5.63 inches
- Diameter: 320 mm / 12.6 inches
- Shipping informations
- Package Width: 360 mm / 14.17 inches
- Package Weight: 8.51 kg / 18.76 lbs
- Package Height: 210 mm / 8.27 inches
- Package Depth: 360 mm / 14.17 inches
