4" 8 oz 4 ohm PP Cone Woofer, 1" VC
 

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

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

Specifications-

    Power capacity: 20W/40W RMS/peak
    Frequency response: 75 ~ 8,000 Hz
    Nominal impedance: 4 Ω
    Voice coil diameter: 1"
    Magnet weight: 8 oz.
    Sensitivity: 89 dB W/M
    Fs: 72 Hz
    Re: 3.2 Ω
    Qms: 1.81
    Qes: 0.56
    Qts: 0.43
    Vas: 2.4 L
    Mms: 4.3 g
    BL: 3.30
    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"