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GRS 12SW-4 12" Poly Cone Subwoofer 4 Ohm

GRS
Part #292-484

GRS 12SW-4 12" Poly Cone Subwoofer 4 Ohm

GRS
Part #292-484  
Model: 12SW-4
The GRS 12SW-4 12" 4 ohm poly cone subwoofer is a true bargain in replacement subwoofers! This economical sub features a beefy large diameter voice coil, durable polypropylene cone, and extended excursion for high-energy bass reproduction.
Key Features
  • Large 2" voice coil and bumped back plate enable high power handling
  • 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
Your Price: $34.98
MSRP: $45.99
Save $11.01 (24%)
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Quantity:Qty: 1-3 $34.98/ea
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Overview

GRS 12SW-4 12" Poly Cone Subwoofer 4 Ohm

Now you can replace blown or damaged subwoofers with new drivers that equal or outperform the original! GRS 12SW-4 poly cone subwoofer is 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. The handsome polypropylene cone provide durability and good looks, while the large vented magnet assembly and extended voice coil enable long-throw performance and authoritative bass in a variety of enclosures.

The 12" 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 for use in dipole and automotive infinite baffle applications.

See the below list of recommended enclosure alignments for new design.

Recommended sealed enclosure: Vb = 1.5 ft^3, F3 = 37 Hz, Qtc: 1.6

Recommended vented enclosure: Vb = 2.5 ft^3, Fb = 32 Hz, F3 = 30 Hz

Product Details

BrandGRS
Model12SW-4
Part Number292-484
UPC848864020211
Unit of MeasureEach
Weight7.35

Product Specifications

Nominal Diameter12"
Bolt Circle Diameter11.75
Power Handling (RMS)120 Watts
Power Handling (MAX)240 Watts
Impedance4Ω
Frequency Response29 to 800Hz
Sensitivity89dB 2.83V/1m
Voice Coil Diameter2"

Thiele-Small Parameters

Resonant Frequency (Fs)32Hz
DC Resistance (Re)3.7Ω
Voice Coil Inductance (Le)1.2mH
Mechanical Q (Qms)4.01
Electromagnetic Q (Qes)1.02
Total Q (Qts)0.82
Compliance Equivalent Volume (Vas)2.44ft³
Mechanical Compliance of Suspension (Cms)0.2mm/N
BL Product (BL)9.5T·m
Diaphragm Mass Inc. Airload (Mms)124.6g
Maximum Linear Excursion (Xmax)8.5mm

Materials of Construction

Cone MaterialPoly
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter12.25"
Baffle Cutout Diameter11.125"
Depth5.75"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume1.5ft³
Sealed F337.3Hz
Vented Volume2.5ft³
Vented F329.7Hz

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