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

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Parts ExpressSKU: K774 | UPC: 848864020204
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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.

Key Features

  • 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 Specifications

Nominal Diameter 10"

Bolt Circle Diameter 9.5

Moving Mass Of Diaphragm (Mmd) 83.45

Power Handling (RMS) 120 Watts

Power Handling (MAX) 240 Watts

Impedance 4Ω

Frequency Response 34 to 800Hz

Sensitivity 88dB 2.83V/1m

Voice Coil Diameter 2"

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

Thiele-Small Parameters

Resonant Frequency (Fs) 47Hz

DC Resistance (Re) 3.96Ω

Voice Coil Inductance (Le) 0.44mH

Mechanical Q (Qms) 2.83

Electromagnetic Q (Qes) 1.098

Total Q (Qts) 0.79

Compliance Equivalent Volume (Vas) 0.794ft³

Mechanical Compliance of Suspension (Cms) 0.133mm/N

BL Product (BL) 9.5T·m

Maximum Linear Excursion (Xmax) 8.5mm

Surface Area of Cone (Sd) 344.5cm²

Materials of Construction

Cone Material Poly

Surround Material Rubber

Voice Coil Wire Material Copper

Basket / Frame Material Steel

Magnet Material Ferrite

Mounting Information

Overall Outside Diameter 10"

Baffle Cutout Diameter 9"

Depth 5"

# Mounting Holes 8

Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)

Sealed Volume 2.56ft³

Sealed F3 49Hz

Vented Volume 3.12ft³

Vented F3 23.3Hz

California Prop 65

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