GRS 10SW-4 8" Poly Cone Subwoofer 4 Ohm

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.

Highlights

Resonant frequency fS 34 Hz Electrical Q QES 0.78 Mechanical Q QMS 3.38 Total Q factor QTS 0.63 Suspension equivalent air volume VAS 57.5 litres DC resistance RE 4.14 Ω Voice coil inductance LE 1.23 mH Maximum linear excursion Xmax ± 8.5 mm Efficiency η₀ 0.28 % Efficiency bandwidth product EBP 43

Overall diameter 254 mm Baffle hole diameter 228.6 mm Mounting depth 127 mm Frame material Steel Diaphragm material Polypropylene Surround material Rubber Voice coil diameter 50.8 mm Coil material Copper Magnet Ferrite

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
 

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

Specifications for: 10SW-4 10" Poly Cone Subwoofer 4 Ohm

• Woofer SeriesReplacement woofer
• Woofer TypeSub Woofer
• Nominal Diameter10"
• Power Handling (RMS)120 Watts
• Power Handling (max)240 Watts
• Continuous Program Power
• Impedance4 ohms
• Sensitivity88 dB 2.83V/1m
• Frequency Response34 to 800 Hz
• Voice Coil Diameter2"
• Magnet Weight
• DC Resistance (Re)4.14 ohms
• Voice Coil Inductance (Le)1.23 mH
• Resonant Frequency (Fs)34 Hz
• Mechanical Q (Qms)3.38
• Electromagnetic Q (Qes)0.78
• Total Q (Qts)0.63
• Diaphragm Mass Inc. Airload (Mms)
• Moving Mass Of Diaphragm (Mmd)
• Mechanical Compliance of Suspension (Cms)
• Surface Area of Cone (Sd)
• Volume of Displacement (Vd)
• BL Product (BL)
• Compliance Equivalent Volume (Vas)2.03 ft.³
• Maximum Linear Excursion (Xmax)8.5 mm
• Driver's Mechanical Losses (Rms)
• Cone / Diaphragm MaterialPoly
• Surround MaterialRubber
• Voice Coil Wire MaterialCopper
• Voice Coil Former
• Dual Voice Coil
• Basket / Frame MaterialSteel
• Magnet MaterialFerrite
• Shielded
• Overall Outside Diameter10"
• Overall Depth5"
• Baffle Cutout Diameter9"
• Bolt Circle Diameter9.5"
• # Mounting Holes8
• Mounting Hole Diameter
• Sealed Volume
• Sealed F3
• Vented Volume
• Vented F3