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RCF MB12N351 - 12" 650W 8 Ohm
The MB12N351 is designed to provide an excellent frequency response linearity with very low distortion.
A very strong neodymium magnetic structure guarantee dynamic and precision, a new and unique 3.5” voice coil design provides a very high power handling, especially recommended in comparison to a standard 3" voice coil.
The unique Dual-forced air venting system guarantee a very efficient voice coil ventilation to minimize the power compression and provide higher power handling.
Applications:
The MB12N351 is ideal for use in applications where is required a very high efficiency and linearity with high power handling.
Its especially recommended for high powered multi-way system.
Main Features:
- 3.5-inch, fiberglass inside/outside copper voice coil
- 1300W continuous program power handling
- 99 dB Sensitivity
- 45 Hz – 3 kHz Frequency range
- Dual-forced air ventilation for minimum power compression
- Single spider design with silicon based damping control
General Specifications
- Nominal Diameter: 300 mm / 12 inch
- Rated Impedance: 8 Ω
- Program Power: 1300 W AES
- Power handling capacity: 650 W AES
- Sensitivity: 99 dB
- Frequency Range: 45 Hz - 3000 Hz
- Effective Piston Diameter: 260 mm / 10.2 inch
- Max Excursion Before Damage (peak to peak): 39 mm / 1.5 inch
- Minimum Impedance: 7.0 Ω
- Voice Coil Diameter: 87 mm / 3.4 inch
- Voice Coil Material: Copper
- Voice Coil Winding Depth: 16.5 mm / 0.65 inch
- Number of layers: 2
- Kind of layer: inside / outside
- Top Plate Thickness: 11 mm / 0.43 inch
- Cone Material: No pressed pulp
- Cone Design: Curved
- Surround Material: Polycotton
- Surround Design: M - roll
Thiele/Small Parameters
- Resonance frequency: 55 Hz
- DC resistance: 5.6Ω
- Mechanical factor: 4.5
- Electrical factor: 0.21
- Total factor: 0.20
- BL Factor: 22.5 T · m
- Effective Moving Mass: 54 g
- Equivalent Cas air load: 61 liters
- Effettive piston area: 0.053 m²
- Max. linear excursion (mathematical): 5.5 mm
- Voice - coil inductance @ 1kHz: 1.65 mH
- Half-space efficiency: 4.66%
Mounting information
- Overall Diameter: 320 mm / 12.6 inch
- Bolt Circle Diameter: 293-304 mm / 11.5-12 inch
- Bolt Hole Diameter: 6.5 mm / 0.3 inch
- Front Mount Baffle Cut-out: 282 mm / 11.1 inch
- Rear Mount Baffle Cut-out: 284 mm / 11.2 inch
- Depth: 138 mm / 5.4 inch
- Volume occupied by the driver: 2.2 litres / 0.077 ft³
- Net Weight: 4.4 kg / 9.7 lbs
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