GRS 8SW-4 8" 4-ohm subwoofer

The GRS 8SW-4 8" 4 ohm poly cone driver is a true bargain in replacement subwoofers! This economical sub features a large diameter voice coil, durable polypropylene cone, and extended excursion for high energy bass reproduction.

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Product highlights:

• Polypropylene cone for perfect balance of stiffness, mass, and self-damping
• Butyl rubber surround ensures high excursion and long-term durability
• Large 1-1/2" voice coil and bumped back plate enable high power handling
• Long-throw design for deep, powerful bass

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Product details

GRS 8SW-4 8" Poly Cone Subwoofer 4 Ohm

Now you can replace blown or damaged subwoofers with new drivers that equal or outperform the original! GRS poly cone subwoofers are the perfect replacement for tired, worn-out subwoofers in a variety of audio gear and even work great for new designs. Their handsome polypropylene cones provide durability and good looks, while the large vented magnet assemblies and extended voice coils enable long-throw performance and authoritative bass in a variety of enclosures.

The 8" model features a 1-1/2" diameter voice coil with extended 6mm excursion for solid bass performance in compact sealed and vented enclosures. These versatile subs are also rugged enough to be used in dipole and automotive infinite baffle applications.

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Technical Specifications:

• Article number 8SW-4
• Woofer Series Replacement woofer
• Woofer Type Sub Woofer
• Nominal Diameter 8"
• Power Handling (RMS) 80 Watts
• Power Handling (max) 160 Watts
• Impedance (Z) 4 ohms
• Sensitivity (SPL at 1m / 2.83V) 88 dB
• Frequency Response 40 to 800 Hz
• Voice Coil Diameter 1.5"
• DC Resistance (Re) 3.86 ohms
• Voice Coil Inductance (Le) 0.84 mH
• Resonant Frequency (Fs) 49 Hz
• Mechanical Q (Qms) 4.22
• Electromagnetic Q (Qes) 1.19
• Total Q (Qts) 0.88
• Compliance Equivalent Volume (Vas) 0.93 ft.³
• Maximum Linear Excursion (Xmax) 6 mm
• Cone / Diaphragm Material Poly
• Surround Material Rubber
• Voice Coil Wire Material Copper
• Basket / Frame Material Steel
• Magnet Material Ferrite
• Overall Outside Diameter 8.25"
• Overall Depth 4"
• Baffle Cutout Diameter 7.25"
• Bolt Circle Diameter 7.875"
• # Mounting Holes 8