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.
Highlights
- 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
Product details
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
Specifications
Article number12SW-4
EAN0848864020211
Woofer TypeSub Woofer
Nominal Diameter12"
Power Handling (RMS)120 Watts
Power Handling (max)240 Watts
Impedance (Z)4 ohms
Sensitivity (SPL at 1m / 2.83V)88 dB
Frequency Response29 to 800 Hz
Voice Coil Diameter2"
DC Resistance (Re)3.57 ohms
Voice Coil Inductance (Le)1.1 mH
Resonant Frequency (Fs)29.6 Hz
Mechanical Q (Qms)4.51
Electromagnetic Q (Qes)1.27
Total Q (Qts)0.98
Volume of Displacement (Vd)426 cm³
Compliance Equivalent Volume (Vas)3.18 ft.³
Maximum Linear Excursion (Xmax)8.5 mm
Cone / Diaphragm MaterialPoly
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Basket / Frame MaterialSteel
Magnet MaterialFerrite
Overall Outside Diameter12.25"
Overall Depth5.75"
Baffle Cutout Diameter11.125"
Bolt Circle Diameter11.75"
# Mounting Holes8