Product informationhome>>ND9512m


    • Features
    • 1. 800 W continuous program power capacity

      2. High efficiency : 101dB 1w/1m

      3. Smooth frequency response up to 3kHz

      4.76mm (3") aluminum voice coil wounded on Kapton former

      5. High grade neodymium magnet allows a very light yet powerful motor assembly

      6. Special treated cloth edge for reducing distortion

      7. Optimized for the use in line array systems or compact reflex enclosure

General Specifications
Nominal Diameter 300/12 mm/inch
Rated Impedance 8 ohm
Nominal Power handling1 400 Watts
Program Power2 800 Watts
Sensitivity(lw/lm)3 101 dB
Frequency Range4 43~3000 Hz
Minimum Impedance(Zmin) 7.6 ohm
Voice Coil Diameter 76/3 mm/inch
Voice Coil Material Aluminum
Former Material Polyimide
Voice Coil Winding Depth 18 mm
Number of layers 2
Magnet gap depth 10 mm
Basket Cast Aluminum
Flux Density 1.45 T
Magnet Material Neodymium
Thiele-Small parameters
Resonance frequency Hz
DC resistance Re 5.6 ohm
Mechanical factor Qms 8.1
Electrical factor Qes 0.17
Total factor Qts 0.15
Mechanical compliance Cms 0.24 mm/N
Mechanical resistance
of suspension losses
Rms 1.84 mech-ohm
Effective Moving Mass Mms 53 g
Half-space efficiency Eff 5.12 %
BL Factor BL 23 T.m
Equivalent Cas air load Vas 94 liters
Effective piston area Sd 0.0531
Max.linear excursion5 Xmax 6.5 mm
Voice coilinductance LelK 0.68 mH
Efficiency Bandwidth Product EBP 343
Mounting Information
Overall Diameter 316 mm
Bolt Circle Diameter 297 mm
Bolt Hole Diameter 6.5 mm
Baffle Cutout Diameter 283 mm
Overall Depth 140 mm
Net Weight 5 kg
Shipping Weight 5.7 kg
Shipping Box 345x345x180 mm