The 12X250MB is a powerful 12-inch mid-bass speaker designed for punchy, controlled low-mid frequencies and clear performance. With 250W RMS power handling, it delivers solid bass response while maintaining clarity. Built with a 2-inch voice coil, 16 Ohms impedance, and 96dB sensitivity, this speaker ensures reliability and efficiency in demanding sound setups. Covering a 55Hz–7.5kHz frequency range, it is perfectly suited for PA systems, stage monitors, and professional audio cabinets.
Key Specifications:
Strong bass, dependable performance – Aerons India.
Nominal Diameter |
12inch |
Nominal Impedance |
16ohms |
Minimum Impedance |
13 ohms |
Nominal Power Handling |
250Watts |
Continuous Power Handling |
500Watts |
Sensitivity |
96 dB |
Frequency Range |
55-7.5 kHz |
Voice-coil Diameter |
49.5mm |
Voice-coil Material |
CCAW |
Voice-coil Winding Depth |
13.5 mm |
Effective Diaphragm Diameter |
270 Mm |
Kind of layer |
Out |
Number of layers |
2 |
Top Plate Thickness |
8mm |
Spider |
Conex |
Flux Density |
1.15T |
Magnet Diameter |
140*20mm |
Magnet Material |
Ferrite |
Magnet Grade |
Y30 |
Magnet Gap Depth |
20mm |
Resonance Frequency |
Fs |
55Hz |
DC Resistance |
Rte |
13 ohms |
Mechanical Factor |
Qms |
3.772 |
Electrical Factor |
Qes |
0.869 |
Total Factor |
Qts |
0.738 |
BL Factor |
BL |
15.64 T-m |
Effective Moving Mass |
Mms |
51.02gr |
Equivalent Cas Air Load |
Vas |
72.03liter |
Effective Piston Area |
Sd |
0.57 m’2 |
Max. Linear Excursion |
Xmax |
3mm |
Half Space Efficiency |
Eff |
1.67% |
Efficiency Bandwidth Product |
EBP |
63.29 |
Compliance Value |
Cms |
0.156 |
Overall Diameter |
315mm |
Buffer Cut-out Dia. |
282mm |
Bolt Circle Dia. |
299mm |
Bolt Hole Dia. |
7mm |
Gasket Thickness |
mm |
Overall Depth |
139mm |
Magnet Dia. |
140mm |
Net Weight |
3.9 kg |