GRS 10SW-4 10" 4-ohm subwoofer

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.

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Product highlights:

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

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Product details

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

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Technical Specifications:

• Article number 10SW-4
• Woofer Series Replacement woofer
• Woofer Type Sub Woofer
• Nominal Diameter 10"
• Power Handling (RMS) 120 Watts
• Power Handling (max) 240 Watts
• Impedance (Z) 4 ohms
• Sensitivity (SPL at 1m / 2.83V) 88 dB
• Frequency Response 34 to 800 Hz
• Voice Coil Diameter 2"
• DC Resistance (Re) 3.96Ω
• Voice Coil Inductance (Le) 0.44mH
• Resonant Frequency (Fs) 47 Hz
• Mechanical Q (Qms) 2.83
• Electromagnetic Q (Qes) 1.098
• Total Q (Qts) 0.79
• Diaphragm Mass Inc. Airload (Mms) 83.45g
• Mechanical Compliance of Suspension (Cms) 0.133mm/N
• Surface Area of Cone (Sd) 344.5cm²
• BL Product (BL) 9.5T·m
• Compliance Equivalent Volume (Vas) 0.794ft³
• Maximum Linear Excursion (Xmax) 8.5 mm
• Cone / Diaphragm Material Poly
• Surround Material Rubber
• Voice Coil Wire Material Copper
• Basket / Frame Material Steel
• Magnet Material Ferrite
• Overall Outside Diameter 10"
• Overall Depth 5"
• Baffle Cutout Diameter 9"
• Bolt Circle Diameter 9.5"
• # Mounting Holes 8
• Sealed Volume 2.56ft³
• Sealed F3 49Hz
• Vented Volume 3.12ft³
• Vented F3 23.3Hz