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J6118nd

    • Features
    • 1. 1800 W continuous program power capacity

      2. 97dB Sensitivity 1w/1m

      3. 30Hz~1000Hz frequency response range

      4. 4.5" inside/outside voice coil for improved power-hangdling and durability

      5. Forced air ventilation on U-Yoke for minimum power compressoin

      6. Neodymium magnet allows a vrey light yet powerful motor assembly

      7. Double silicone spider with optimized compliance

      8. Ideal for compact subwoofer application

General Specifications
Nominal Diameter 460/18 mm/inch
Rated Impedance 8 ohm
Nominal Power handling1 900 Watts
Program Power2 1800 Watts
Sensitivity(lw/lm)3 97 dB
Frequency Range4 30~1000 Hz
Minimum Impedance(Zmin) 7.0 ohm
Voice Coil Diameter 115/4.5 mm/inch
Voice Coil Material Copper
Former Material Glass Fiber
Voice Coil Winding Depth 31 mm
Number of layers 2 (inside/outside)
Magnet gap depth 14 mm
Basket Cast Aluminum
Flux Density 1.1 T
Magnet Material Neodymium
Thiele-Small parameters
Resonance frequency Hz
DC resistance Re 5.4 ohm
Mechanical factor Qms 15
Electrical factor Qes 0.32
Total factor Qts 0.31
Mechanical compliance Cms 0.11 m/N
Mechanical resistance
of suspension losses
Rms 3.2 mech-ohm
Effective Moving Mass Mms 265 g
Half-space efficiency Eff 1.8 %
BL Factor BL 28.8 T.m
Equivalent Cas air load Vas 242 liters
Effective piston area Sd 0.1250
Max.linear excursion5 Xmax 11 mm
Voice coilinductance LelK 2.4 mH
Efficiency Bandwidth Product EBP 93
Mounting Information
Overall Diameter 461 mm
Bolt Circle Diameter 439 mm
Bolt Hole Diameter 6.5x9.5 mm
Baffle Cutout Diameter 424 mm
Overall Depth 220 mm
Net Weight 11.6 kg
Shipping Weight 12.6 kg
Shipping Box 500x500x250 mm