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Test & measurement
The GRS 10SW-4 10" 4 ohm poly cone subwoofers are a true bargain in replacement subwoofers! These economical subs feature a large diameter voice coil, durable polypropylene cone, and extended excursion for high energy bass reproduction.
GRS 10SW-4 10" 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 not only the perfect replacement for tired, worn out subwoofers in a variety of audio gear, but they are also a great choice 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 10" model features a 2" diameter voice coil with big 8.5mm 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.
See the below list of recommended enclosure alignments for new design.
Recommended sealed enclosure: Vb = 1.0 ft^3, F3 = 42 Hz, Qtc: 1.17
Recommended vented enclosure: Vb = 1.5 ft^3, Fb = 35 Hz, F3 = 32 Hz