Product informationhome>>ND9012w


    • Features
    • 1. 800 W continuous program power capacity

      2. High efficiency:98.5dB 1W/1m

      3. 76mm(3") aluminum voice coil wounded on Kapton former

      4. Vented on former,dual-forced air ventilation magnet system for heat dispersion and minimum power


      5. FEA optimized neodymium magnet assembly allows the highest force factor and excursion capability

          Special treatment on cone in house for excellent performance

      6. Paper cone made in UK

      7. Optimized for the use in line array systems or compact bass 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 98.5 dB
Frequency Range4 44~3500 Hz
Minimum Impedance(Zmin) 7.2 ohm
Voice Coil Diameter 76/3 mm/inch
Voice Coil Material Aluminum
Former Material Polyimide
Voice Coil Winding Depth 17.5 mm
Number of layers 2
Magnet gap depth 10 mm
Basket Cast Aluminum
Flux Density 1.2 T
Magnet Material Neodymium
Thiele-Small parameters
Resonance frequency Hz
DC resistance Re 5.6 ohm
Mechanical factor Qms 7.9
Electrical factor Qes 0.26
Total factor Qts 0.25
Mechanical compliance Cms 0.19 mm/N
Mechanical resistance
of suspension losses
Rms 2.26 mech-ohm
Effective Moving Mass Mms 62 g
Half-space efficiency Eff 3.1 %
BL Factor BL 19.8 T.m
Equivalent Cas air load Vas 81 liters
Effective piston area Sd 0.0552
Max.linear excursion5 Xmax 6.5 mm
Voice coilinductance Le1K 0.88 mH
Efficiency Bandwidth Product EBP 177
Mounting Information
Overall Diameter 316 mm
Bolt Circle Diameter 297 mm
Bolt Hole Diameter 6.5 mm
Baffle Cutout Diameter 283 mm
Overall Depth 144 mm
Net Weight 4.4 kg
Shipping Weight 5.1 kg
Shipping Box 345x345x180 mm