Product Name | Wholesale Professional Power Amplifiers Speakers 18X400 Bass 18 Inch Subwoofer Speaker | ||||||
Features | Ideal for professional audio and bass-horn systems, low distortion subwoofer | ||||||
>> | 4 inch fiberglass in & out pure copper voice coil | ||||||
>> | Triple-roll surround and corrugated straight cone geometry | ||||||
>> | Durable dual spider design with silicon | ||||||
>> | Die-cast aluminum frame |
MODEL: MR18-5D General Specifications | ||||||||
Nominal Diameter | 460mm/18 inch | |||||||
Nominal Impedance | 8Ω | |||||||
RMS Power Input | 750W | |||||||
Peak Power Input | 1500W | |||||||
Sensitivity 1W/1M | 94.5dB | |||||||
Frequency Range | 41.3~2.6kHz | |||||||
Voice Coil Diameter | 100mm/4 inch | |||||||
Voice Windinig Material | Copper | |||||||
Voice Former Material | Fiberglass | |||||||
Voice Winding Depth | 23mm | |||||||
Magnetic Gap Depth | 12mm | |||||||
Xmax | ±6mm | |||||||
Surround Material | Polycotton | |||||||
Surround Design | Triple-roll | |||||||
Magnet | Ferrite Ring |
Thiele & Small Parameters | ||||||||
Resonance Frequency | Fs | 41.3Hz | ||||||
DC Resistance | Re | 4.7Ω | ||||||
Mechanical Factor | Qms | 10.29 | ||||||
Electrical Factor | Qes | 0.66 | ||||||
Total Factor | Qts | 0.62 | ||||||
BL Factor | BL | 18.5T.m | ||||||
Effective Moving Mass | Mms | 185.3g | ||||||
Compliance | Cms | 80.2μ M/N | ||||||
Equivalent Cas Air Load | Vas | 171L | ||||||
Effettive Piston Area | Sd | 1225.4cm2 | ||||||
η(Eta Zero) | η0 | 1.76% |
Mountiong & Shipping Information | ||||||||
Overall Diameter | 466mm | |||||||
Bolt circle diameter | 445mm | |||||||
Baffle Cutout Diameter | 422mm | |||||||
Depth | 219mm | |||||||
Net Weight | 12.5kg | |||||||
Shipping Weight | 13.1kg | |||||||
Shipping Box(Single) | 48*48*25cm |