MB12X351 MID - BASS
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PRECISION TRANSDUCERS
MB12X351
MID - BASS
- 3.5-inch, fiberglass inside/outside copper voice coil
- 1400W continuous program power handling
- 98.5 dB Sensitivity
- 45 Hz – 2.5 kHz Frequency range
![](https://www.rcf.it/documents/20128/822445/000_MB12X351_singolo_gallery.png/5ff7bb40-e973-0338-6364-0cdc9b77ae84?version=1.1&t=1636012022963&imagePreview=1)
![](https://www.rcf.it/documents/20128/822445/011_MB12X351_gallery.jpg/90e6a74c-26f0-5ef0-714b-ebd611eabd04?version=1.0&t=1642510734101&imagePreview=1)
![](https://www.rcf.it/documents/20128/822445/000_MB12X351_singolo_gallery.png/5ff7bb40-e973-0338-6364-0cdc9b77ae84?version=1.1&t=1636012022963&imagePreview=1)
![](https://www.rcf.it/documents/20128/822445/011_MB12X351_gallery.jpg/90e6a74c-26f0-5ef0-714b-ebd611eabd04?version=1.0&t=1642510734101&imagePreview=1)
Features
- 3.5-inch, fiberglass inside/outside copper voice coil
- 1400W continuous program power handling
- 98.5 dB Sensitivity
- 45 Hz – 2.5 kHz Frequency range
The MB12X351 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 new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling.
Part number:
11100100
MB12X351
8ohm
Specifications
General specifications
Nominal Diameter
12 inch / 305 mm
Rated Impedance
8 ohm
Program Power (watt)
1400 W
Power handling capacity
700 W
Sensitivity
98.5 dB
Frequency range
45 - 2500 Hz
Effective piston diameter
260 mm / 10.24 inch
Max. Excursion Before Damage
40 mm / 1.57 inch
Minimum Impedance (ohm)
7.1 ohm
Voice Coil Diameter
3.5 inch / 89 mm
Voice Coil Winding Material
Copper
Voice Coil Length
19 mm / 0.75 inch
Number of layers
2
Kind of layers
inside/outside
Top Plate Thickness
10 mm / 0.39 inch
Cone Design
Curved
Surround Material
Polycotton
Surround Design
M-roll
Magnets
Ceramic
Dual-force air ventilation
Yes
Spider
03
Thiele - small parameters
Resonance frequency (Fs)
55 Hz
DC resistance (Re) (ohm)
5.40 ohm
Mechanical factor
5.90 Qms
Electrical factor
0.27 Qes
Total factor
0.26 Qts
Bl factor (Bl) (T x m)
22.50 T x m
Effective moving mass (Mms)
72.0 g
Equivalent Cas air loaded (Vas)
46.0 liters
Effective piston area (Sd)
0.050 m2
Max. linear excursion (Xmax)
7 mm
Voice coil inductance @ 1kHz (Le1k)
0.90 mH
Half-space efficency (Eff)
3.00%
Mounting information
Overall diameter
320 mm / 12.6 inches
Bolt circle diameter
293-304 mm / 11.54-11.97 inch
Bolt hole diameter
7 mm / 0.28 inch
Front mount baffle cut-out
282 mm / 11.1 inch
Rear mount baffle cut-out
284 mm / 11.18 inch
Volume occupied by the driver
2.2 liters / 0.09 ft3
Standard compliance
Safety agency
CE compliant
Size
Height
143 mm / 5.63 inches
Diameter
320 mm / 12.6 inches
Weight
7.6 kg / 16.76 lbs
Shipping information
Package Height
194 mm / 7.64 inches
Package Width
354 mm / 13.94 inches
Package Depth
364 mm / 14.33 inches
Package Weight
8.4 kg / 18.52 lbs
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