GRS 12SW-4 Subwoofer

€41.95

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.

22 in stock

SKU: 12SW-4 Categories: , ,
Description

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 number 12SW-4
EAN 0848864020211
Woofer Type Sub Woofer
Nominal Diameter 12"
Power Handling (RMS) 120 Watts
Power Handling (max) 240 Watts
Impedance (Z) 4 Ω
Sensitivity (SPL at 1m / 2.83V) 88 dB
Frequency Response 29 to 800 Hz
Voice Coil Diameter 51 mm
DC Resistance (Re) 3.7 Ω
Voice Coil Inductance (Le) 1.1 mH
Resonant Frequency (Fs) 32 Hz
Mechanical Q (Qms) 4.51
Electromagnetic Q (Qes) 1.27
Total Q (Qts) 0.98
Diaphragm Mass Inc. Airload (Mms) 124.6 g
Volume of Displacement (Vd) 426 cm³
Compliance Equivalent Volume (Vas) 69.2 L
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 311 mm
Overall Depth 147 mm
Baffle Cutout Diameter 289 mm
Bolt Circle Diameter 294 mm
# Mounting Holes 8
Mounting Hole Diameter 6 mm
Article number 12SW-4
EAN 0848864020211
Additional information
Woofer TypeSub Woofer
Nominal Diameter12″
Power Handling (RMS)120 Watts
Power Handling (max)240 Watts
Impedance (Z)4 Ω
Sensitivity (SPL at 1m / 2.83V)88 dB
Frequency response29 to 800 Hz
Voice Coil Diameter51 mm
DC Resistance (Re)3.7 Ω
Voice Coil Inductance (Le)1.1 mH
Resonant Frequency (Fs)32 Hz
Mechanical Q (Qms)4.51
Electromagnetic Q (Qes)1.27
Total Q (Qts)0.98
Diaphragm Mass Inc. Airload (Mms)124.6 g
Volume of Displacement (Vd)426 cm³
Compliance Equivalent Volume (Vas)69.2 L
Maximum Linear Excursion (Xmax)8.5 mm
Cone / Diaphragm MaterialPoly
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Basket / Frame MaterialSteel
Magnet MaterialFerrite
Overall Outside Diameter311 mm
Overall Depth147 mm
Baffle Cutout Diameter289 mm
Bolt Circle Diameter294 mm
# Mounting Holes8
Mounting Hole Diameter6 mm
Shipping & Delivery
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