• Eminence DEFINIMAX4018LF 18in Speaker 800w 8 Ohm
  • Eminence DEFINIMAX4018LF 18in Speaker 800w 8 Ohm
  • Eminence DEFINIMAX4018LF 18in Speaker 800w 8 Ohm
  • Eminence DEFINIMAX4018LF 18in Speaker 800w 8 Ohm

    Eminence DEFINIMAX4018LF 18in Speaker 800w 8 Ohm

    Regular price $859.99
    In Stock

    SKU: DEFINIMAX4018LF

    Recommended for professional audio and bass as a high-power, low-distortion subwoofer in single or multi-driver designs.

    SPECIFICATION
    Nominal Basket Diameter 18", 457 mm
    Nominal Impedance* 8 Ω
    Power Rating*
    Program Power 2400 W
    Watts 1200 W
    Resonance 30 Hz
    Usable Frequency Range 31 Hz - 0.2 kHz
    Sensitivity* 94.9 dB
    Magnet Weight 109 oz.
    Gap Height 0.375", 9.5 mm
    Voice Coil Diameter 4", 102 mm
    THIELE & SMALL PARAMETERS
    Resonant Frequency (fs) 30 Hz
    DC Resistance (Re) 6.1 Ω
    Coil Inductance (Le) 4.54m H
    Mechanical Q (Qms) 11.95
    Electromagnetic Q (Qes) 0.35
    Total Q (Qts) 0.34
    Compliance Equivalent Volume (Vas) 254.71 liters / 9 cu.ft.
    Peak Diaphragm Displacement Volume (Vd) 1018.1 cc
    Mechanical Compliance of Suspension (Cms) 0.13 mm/N
    BL Product (BL) 26.75 T-M
    Diaphragm Mass Inc. Airload (MMs) 217 grams
    Efficiency Bandwidth Product (EBP) 86
    Maximum Linear Excursion (Xmax) 8.57 mm
    Surface Area of Cone (Sd) 1188 cm2
    Maximum Mechanical Limit (Xlim) 15.9 mm
    MOUNTING INFORMATION
    Recommended Enclosure Volume
    Sealed N/a
    Vented 99.11-226.54 liters / 3.5-8 cu.ft.
    Driver Volume Displaced 0.234 cu.ft. / 6.62 liters
    Overall Diameter 18", 457.2 mm
    Baffle Hole Diameter 16.56", 420.6 mm
    Front Sealing Gasket Yes
    Rear Sealing Gasket Yes
    Mounting Holes Diameter 0.28", 7.1mm
    Mounting Holes B.C.D. 17.25", 438.2mm
    Depth 8.13", 206.5 mm
    Net Weight 24 lbs, 10.89 kg
    Shipping Weight 26 lbs, 11.79 kgs
    MATERIALS OF CONSTRUCTION
    Coil Construction Copper voice coil
    Coil Former Polyimide former
    Magnet Composition Ferrite magnet
    Core Details Undercut with aluminum shorting ring and Core Periphery Ventilation
       
    Basket Materials Die-cast aluminum basket
    Cone Composition Water resistant paper cone
    Cone Edge Composition Cloth cone edge
    Dust Cap Composition Water resistant treated paper dust cap
    Free Shipping to metro areas for orders over $100