4" 8 oz 8 ohm PP Cone Woofer, Rubber Surround, 1" VC
 

Features: 4" 8 oz 8 ohm polypropylene cone with Thermo-Plastic rubber surround suspension, 40 watts, 1" Voice Coil woofer.

• PP Cone and TPR Surround
• 1" Aluminum Voice Coil
• 8 oz Magnet
• Made in the USA

Specifications-

    Power capacity: 20W/40W RMS/peak
    Frequency response: 60 ~ 8,000 Hz
    Nominal impedance: 8 Ω
    Voice coil diameter: 1"
    Magnet weight: 8 oz.
    Sensitivity: 90 dB W/M
    Fs: 55 Hz
    Re: 6.8 Ω
    Qms: 2.07
    Qes: 0.57
    Qts: 0.45
    Vas: 5.5 L
    Mms: 5.4 g
    BL: 4.72
    Xmax: 2.5 mm

Dimensions -

    Overall Frame Size: Pin Cushion 4-31/32" dia. x 4-1/8" dia.
    Required Cutout: 4-1/32" dia.
    Mounting Depth: 2-1/8"