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U8215

    • Features
    • 1. 1000 W continuous program power capacity

      2. Sensitivity: 98.5dB 1w/1m

      3. 76mm (3") high temperature inside/outside voice coil with copper clad aluminum wire

      4. Paper cone imported from U.S.A

      5. M-roll surround and curved cone geometry

      6. Ideal for high quality compact 2 or 3-way systems

General Specifications
Nominal Diameter 380/15 mm/inch
Rated Impedance 8 ohm
Nominal Power handling1 500 Watts
Program Power2 1000 Watts
Sensitivity(lw/lm)3 98 dB
Frequency Range4 45~3000 Hz
Minimum Impedance(Zmin) 6.7 ohm
Voice Coil Diameter 76/3 mm/inch
Voice Coil Material CCAW
Former Material Glass Fiber
Voice Coil Winding Depth 18 mm
Number of layers 2 (inside/outside)
Magnet gap depth 10 mm
Basket Cast Aluminum
Flux Density 1.2 T
Magnet Material 190/78 mm/oz
Thiele-Small parameters
Resonance frequency Hz
DC resistance Re 5.6 ohm
Mechanical factor Qms 10.5
Electrical factor Qes 0.41
Total factor Qts 0.40
Mechanical compliance Cms 0.14 mm/N
Mechanical resistance
of suspension losses
Rms 2.4 mechk-ohm
Effective Moving Mass Mms 90 g
Half-space efficiency Eff 3.3 %
BL Factor BL 18.7 T.m
Equivalent Cas air load Vas 150 liters
Effective piston area Sd 0.0887 m2
Max.linear excursion5 Xmax 6.5 mm
Voice coilinductance LelK 1.1 mH
Efficiency Bandwidth Product EBP 109
Mounting Information
Overall Diameter 390 mm
Bolt Circle Diameter 398 mm
Bolt Hole Diameter 6.5 mm
Baffle Cutout Diameter 353 mm
Overall Depth 165 mm
Net Weight 8.4 kg
Shipping Weight 9.1 kg
Shipping Box 425X425X215 mm