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RCF MB12N251 - 12" 300W 8 Ohm
THIS ITEM IS END-OF-LINE AND DUE TO BE PHASED OUT
If it is not showing in-stock, please email us to double-check the availability.
The MB12N251 is a 12" neodymium mid-bass driver with an excellent linearity, good efficiency and high power handling capabilities. The 2.5" aluminium voice coil combined with a high strength fibreglass former allows high efficiency and good frequency response extension. Aluminium basket and magnetic assembly design provide an excellent heat dissipation and very low power compression.
The Triple-roll shape combined to spider design offer very low distortion and extended low frequency reproduction.
The MB12N251 finds its application in 2-way bass reflex system, typically combined with 1" and 1,4" throat compression drivers. Ideal for light weight portable applications.
This product has been discontinued - please do not try to order this item we will not be able to supply it - the product details are here for reference only. Please contact a member of staff, and we may be able to find an equivalent product for you.
General Specifications:
- Nominal Diameter: 300 mm / 12 inch
- Rated Impedance: 8 Ohms
- Program Power: 600 W AES
- Power handling capacity: 300 W AES
- Sensitivity: 98 dB
- Frequency Range: 45 Hz - 3000 Hz
- Effective Piston Diameter: 260 mm / 10.2 inch
- Max Excursion Before Damage (peak to peak): 38 mm / 1.49 inch
- Minimum Impedance: 6.4 Ohms
- Voice Coil Diameter: 64 mm / 2.51 inch
- Voice Coil Material: Aluminium
- Voice Coil Winding Depth: 14 mm / 0.55 inch
- Number of layers: 1
- Kind of layer: outside
- Top Plate Thickness: 9 mm / 0.35 inch
- Cone Material: No pressed pulp
- Cone Design: Curved
- Surround Material: Polycotton
- Surround Design: Triple-roll
Thiele/Small Parameters:
- Resonance frequency: 50 Hz
- DC resistance: 5.1 Ohms
- Mechanical factor: 5.4
- Electrical factor: 0.36
- Total factor: 0.34
- BL Factor: 15 Tm
- Effective Moving Mass: 49 g
- Equivalent Cas air load: 83 litres
- Effective piston area: 0.053 sq m
- Max. linear excursion (mathematical): 4.8 mm
- Voice - coil inductance @ 1kHz: 1.3 mH
- Half-space efficiency: 2.70%
Mounting information:
- Overall Diameter: 320 mm / 12.60 inch
- Bolt Circle Diameter: 294.5-304 mm / 11.6-11.9 inch
- Bolt Hole Diameter: 5.5 mm / 0.21 inch
- Front Mount Baffle Cut-out: 288 mm / 11.3 inch
- Rear Mount Baffle Cut-out: 288 mm / 11.3 inch
- Depth: 130 mm / 5.1 inch
- Volume occupied by the driver: 2.2 litres / 0.07 cu ft
- Net Weight: 2.7 kg / 5.9 lbs
- Shipping weight: 3.5 kg / 7.7 lbs
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