Features: 18" 125 oz 8 ohm polymer treated cone paper with foam surround suspension, 600 watts, 3" Voice Coil woofer.

• Polymer Treated Cone Paper and Foam Surround
• Large 3" Kapton Voice Coil
• 125 oz Oversized Magnet
• Made in the USA

Specifications-

    Power capacity: 300W/600W RMS/peak
    Frequency response: 18 ~ 2,500 Hz
    Nominal impedance: 8 Ω
    Voice coil diameter: 3"
    Magnet weight: 125 oz.
    Sensitivity: 97 dB W/M
    Fs: 17 Hz
    Re: 6.0 Ω
    Qms: 1.49
    Qes: 0.22
    Qts: 0.19
    Vas: 1820 L
    Mms: 103 g
    BL: 17.18
    Xmax: 3.5 mm

Dimensions -

    Overall Frame Size: 17-31/32" dia.
    Required Cutout: 16-5/8" dia.
    Mounting Depth: 7-1/4"