RCF MID – BASS. MB12N251
138,04 Add to cart

RCF MID – BASS. MB12N251

138,04

Brand: RCF
Article number: MB12N251

  • 2.5-inch , fibreglass former, aluminum voice coil
  • 600 Watt continuous program power handling
  • 98 dB Sensitivity
  • 45 Hz – 3.0 kHz Frequency range

Description

  • 2.5-inch , fibreglass former, aluminum voice coil
  • 600 Watt continuous program power handling
  • 98 dB Sensitivity
  • 45 Hz – 3.0 kHz Frequency range
  • Forced air ventilation
  • M-roll surround and exponential cone geometry
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.

  • General specifications
    • Nominal Diameter: 12 inch / 305 mm
    • Rated Impedance: 8 ohm
    • Program Power: 600 W
    • Power handling capacity: 300 W
    • Sensitivity: 98.0 dB
    • Frequency range: 45 – 3000 Hz
    • Effective piston diameter: 260 mm / 10.24 inch
    • Max. Excursion Before Damage: 38 mm / 1.5 inch
    • Minimim Impedance: 6.0 ohm
    • Voice Coil Diameter: 2.5 inch / 63 mm
    • Voice Coil Winding Material: Aluminium
    • Voice Coil Length: 14 mm / 0.55 inch
    • Number of layers: 1
    • Kind of layers: outside
    • Top Plate Thickness: 9 mm / 0.35 inch
    • Cone Design: Curved
    • Surround Material: Polycotton
    • Surround Design: Triple roll
    • Magnets: Neodymium
    • Dual-force air ventilation: Yes
    • Spider: Single

  • Thiele – small parameters
    • Resonance frequency (Fs): 50 Hz
    • DC resistance (Re): 5.10 ohm
    • Mechanical factor: 5.40 Qms
    • Electrical factor (Qes): 0.36 Qes
    • Total factor: 0.34 Qts
    • BL factor (BL): 15.00 T x m
    • Effective moving mass (Mms): 49.0 g
    • Equivalent Cas air loaded (Vas): 83.0 liters
    • Effettive piston area (Sd): 0.500 m2
    • Max. linear excursion (Xmax): 5.0 mm
    • Voice coil inductance @ 1kHz (Le1k): 1.30 mH
    • Half-space efficency (Eff): 2.70%

  • Mounting Information
    • Overall diameter: 320 mm / 12.6 inches
    • Bolt circle diameter: 295-304 mm / 11.61-11.97 inch
    • Bolt hole diameter: 6 mm / 0.24 inch
    • Front mount baffle cut-out: 288 mm / 11.34 inch
    • Rear mount baffle cut-out: 288 mm / 11.34 inch
    • Volume occupied by the driver: 2.2 liters / 0.09 ft3

  • Standard compliance
    • CE marking: Yes

  • Size
    • Weight: 2.58 kg / 5.69 lbs
    • Height: 143 mm / 5.63 inches
    • Diameter: 320 mm / 12.6 inches

  • Shipping informations
    • Package Width: 364 mm / 14.33 inches
    • Package Weight: 3.67 kg / 8.09 lbs
    • Package Height: 194 mm / 7.64 inches
    • Package Depth: 354 mm / 13.94 inches

Additional information

Weight 0103.67 kg
Dimensions 354 × 364 × 194 cm
Brand

Nominal Diameter

12 inch / 305 mm

Rated Impedance

8 ohm

Program Power

600 W

Power handling capacity

300 W

Sensitivity

98.0 dB

Frequency Range

45 – 3000 Hz

Effective Piston Diameter

260 mm / 10.24 inch

Max Excursion Before Damage

38 mm / 1.5 inch

Minimim Impedance

Voice coil diameter

Voice Coil Winding Material

Voice Coil Length

Number of layers

Kind of layers

Top Plate Thickness

Cone Design

Surround Material

Surround Design

Magnets

Dual-force air ventilation

Spider

Resonance frequency (Fs)

DC resistance (Re)

Mechanical factor

Electrical factor (Qes)

Total factor

BL factor (BL)

Effective moving mass (Mms)

Equivalent Cas air loaded (Vas)

Effettive piston area (Sd)

Max. linear excursion (Xmax)

Half-space efficency (Eff)

Overall diameter

Bolt circle diameter

Bolt hole diameter

Front mount baffle cut-out

Rear mount baffle cut-out

Volume occupied by the driver

CE marking

Weight

Height

Diameter

Package Width

Package Weight

Package Height

Package Depth