RCF MB12X351
8 ohm
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GENERAL SPECIFICATIONS
Nominal Diameter:
300 / 12
mm/inch
Rated Impedance:
8
Ω
Program Power:
1400
W AES
Power handling capacity:
700
W AES
Sensitivity:
98.5
dB
Frequency Range:
45
Hz ÷
2500
Hz
Effective Piston Diameter:
260 / 10.2
mm/inch
Max Excursion Before Damage (peak to peak):
40 / 1.57
mm/inch
Minimum Impedance:
7.1
Ω
Voice Coil Diameter:
87 / 3.4
mm/inch
Voice Coil Material:
Copper
Voice Coil Winding Depth:
19 / 0.74
mm/inch
Number of layers:
2
Kind of layer:
inside / outside
Top Plate Thickness:
10 / 0.39
mm/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:
5.4
Ω
Mechanical factor:
5.9
Electrical factor:
0.27
Total factor:
0.26
BL Factor:
22.5
T · m
Effective Moving Mass:
72
g
Equivalent Cas air load:
46
liters
Effettive piston area:
0.053
m²
Max. linear excursion (mathematical):
5.8
mm
Voice - coil inductance @ 1kHz:
1.3
mH
Half-space efficiency:
3.00
%
MOUNTING INFORMATION
Overall Diameter:
320 / 12.6
mm/inch
Bolt Circle Diameter:
293-304 / 11.5-12
mm/inch
Bolt Hole Diameter:
6.5 / 0.3
mm/inch
Front Mount Baffle Cut-out:
282 / 11.1
mm/inch
Rear Mount Baffle Cut-out:
284 / 11.2
mm/inch
Depth:
130.5 / 5.13
mm/inch
Volume occupied by the driver:
2.2 / 0.077
liters/ft³
Net Weight:
7.6 / 16.7
kg/lbs
SHIPPING INFORMATION
Shipping weight:
8.4 / 18.4
kg/lbs