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RCF MB 10 G 251

RCF MB 10 G 251

The MB10G251 is designed to provide an excellent frequency response linearity with very low distortion. A strong magnetic structure guarantee dynamic and precision. M-roll surround and spider design offer great linearity and precise reproduction.


More Information

  • 2.5-inch , fibreglass former, aluminum voice coil
  • 600 Watt continuous program power handling
  • 98.5 dB Sensitivity
  • 55 Hz - 3.0kHz Frequency range
  • M-roll surround and exponential cone geometry

Technical Specification

 

GENERAL SPECIFICATIONS

Nominal Diameter:
10 inch / 254 mm
Rated Impedance:
8 ohm
Program Power (watt):
600 W
Power handling capacity:
300 W
Sensitivity:
97.0 dB
Frequency range:
50 - 3500 Hz
Effective piston diameter:
210 mm / 8.27 inch
Max. Excursion Before Damage:
40 mm / 1.57 inch
Minimum Impedance (ohm):
6.4 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:
M-roll
Magnets:
Neodymium
Dual-force air ventilation:
Yes
Spider:
Single

THIELE - SMALL PARAMETERS

Resonance frequency (Fs):
55 Hz
DC resistance (Re) (ohm):
5.10 ohm
Mechanical factor:
4.20 Qms
Electrical factor:
0.29 Qes
Total factor:
0.27 Qts
Bl factor (Bl) (T x m):
15.20 T x m
Effective moving mass (Mms):
36.0 g
Equivalent Cas air loaded (Vas):
39.0 liters
Effective piston area (Sd):
0.040 m2
Max. linear excursion (Xmax):
5 mm
Voice coil inductance @ 1kHz (Le1k):
1.30 mH
Half-space efficency (Eff):
2.20%

MOUNTING INFORMATION

Overall diameter:
260 mm / 10.24 inches
Bolt circle diameter:
241-246 mm / 9.49-9.69 inch
Bolt hole diameter:
6 mm / 0.24 inch
Front mount baffle cut-out:
234 mm / 9.21 inch
Rear mount baffle cut-out:
234 mm / 9.21 inch
Volume occupied by the driver:
1.2 liters / 0.05 ft3

SIZE

Height:
123 mm / 4.84 inches
Diameter:
260 mm / 10.24 inches
Weight:
2.5 kg / 5.51 lbs

SHIPPING INFORMATION

Package Height:
180 mm / 7.09 inches
Package Width:
290 mm / 11.42 inches
Package Depth:
290 mm / 11.42 inches
Package Weight:
3 kg / 6.61 lbs

 

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