China 18′′pa Speaker System Professional Speaker Woofer for Line Array, Find details and Price about China Rcf Woofer, Lind Array Audio from 18′′pa Speaker System Professional Speaker Woofer for Line Array
General Specifications | ||
Nominal Diameter | 18 | mm/inch |
Rated Impedance | 8 | ohm |
Nominal Power handling | 650 | Watts |
Program Power | 1300 | Watts |
Sensitivity(lw/lm) | 99 | dB |
Frequency Range | 40.8-1.5K | Hz |
Minimum Impedance(Zmin) | 5.6 | ohm |
Voice Coil Diameter | 100/4 | mm/inch |
Voice Coil Material | Cooper | |
Number of layers | 2 | |
Magnet gap depth | 12 | mm |
Surround Shape | W-roll | |
Basket | Cast Aluminium | |
Magnet | 220 Ferrite | |
Mounting Information | ||
Overall Diameter | 468 | mm |
Bolt Circle Diameter | 445 | mm |
Baffle Cutout Diameter | 424 | mm |
Overall Depth | 212 | mm |
Net Weight | 12.9 | kg |
Shipping weight | 14.1 | kg |
Shipping Box | 490*490*250 | mm |
Thiele-Small Parameters | |||
Resonance frequency | Fs | 40.8 | Hz |
DC resistance | Re | 5.6 | ohm |
Mechanical factor | Qms | 5.93 | |
Electrical factor | Qes | 0.56 | |
Total factor | Qts | 0.51 | |
Mechanical compliance | Cms | 0.09 | mm/N |
Mechanical resistance | Rms | 7.2 | mech-ohm |
of suspension losses | |||
Effective Moving Mass | Mms | 167.5 | gr |
Half-space efficiency | Eff | 2.13 | % |
BL Factor | BL | 20.7 | T.m |
Equivalent Cas air load | Vas | 181.8 | liters |
Voice-coil inductance | LelK | 37 | mH |